You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@nuttx.apache.org by pr...@apache.org on 2021/05/12 14:47:42 UTC

[incubator-nuttx] branch master updated (77bb231 -> d622762)

This is an automated email from the ASF dual-hosted git repository.

protobits pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git.


    from 77bb231  Documentation/esp32c3-devkit: Fix the name of the ESP32-C3 DevkitM image.
     new 1856a85  Documentation/platforms: added documentation for imxrt10xx boards
     new d622762  Documentation/platforms: fix docs style and add photo for imxrt1060-evk board

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 .../arm/imxrt/boards/imxrt1020-evk/index.rst       | 103 ++++++
 .../arm/imxrt/boards/imxrt1050-evk/index.rst       | 129 ++++++++
 .../boards/imxrt1060-evk/imxrt1060-evk-front.jpg   | Bin 0 -> 109235 bytes
 .../arm/imxrt/boards/imxrt1060-evk/index.rst       | 200 ++++++++++++
 .../arm/imxrt/boards/imxrt1064-evk/index.rst       | 277 ++++++++++++++++
 boards/arm/imxrt/imxrt1020-evk/README.txt          | 167 ----------
 boards/arm/imxrt/imxrt1050-evk/README.txt          | 297 -----------------
 boards/arm/imxrt/imxrt1060-evk/README.txt          | 363 ---------------------
 boards/arm/imxrt/imxrt1064-evk/README.txt          | 363 ---------------------
 9 files changed, 709 insertions(+), 1190 deletions(-)
 create mode 100644 Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst
 create mode 100644 Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst
 create mode 100644 Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/imxrt1060-evk-front.jpg
 create mode 100644 Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst
 create mode 100644 Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst
 delete mode 100644 boards/arm/imxrt/imxrt1020-evk/README.txt
 delete mode 100644 boards/arm/imxrt/imxrt1050-evk/README.txt
 delete mode 100644 boards/arm/imxrt/imxrt1060-evk/README.txt
 delete mode 100644 boards/arm/imxrt/imxrt1064-evk/README.txt

[incubator-nuttx] 01/02: Documentation/platforms: added documentation for imxrt10xx boards

Posted by pr...@apache.org.
This is an automated email from the ASF dual-hosted git repository.

protobits pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit 1856a85b2850a49065e8869ccc952fb98dd02c34
Author: Michal Lenc <mi...@seznam.cz>
AuthorDate: Wed Apr 28 22:54:05 2021 +0200

    Documentation/platforms: added documentation for imxrt10xx boards
---
 .../arm/imxrt/boards/imxrt1020-evk/index.rst       |  97 ++++++
 .../arm/imxrt/boards/imxrt1050-evk/index.rst       | 208 ++++++++++++
 .../arm/imxrt/boards/imxrt1060-evk/index.rst       | 272 +++++++++++++++
 .../arm/imxrt/boards/imxrt1064-evk/index.rst       | 272 +++++++++++++++
 boards/arm/imxrt/imxrt1020-evk/README.txt          | 167 ----------
 boards/arm/imxrt/imxrt1050-evk/README.txt          | 297 -----------------
 boards/arm/imxrt/imxrt1060-evk/README.txt          | 363 ---------------------
 boards/arm/imxrt/imxrt1064-evk/README.txt          | 363 ---------------------
 8 files changed, 849 insertions(+), 1190 deletions(-)

diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst
new file mode 100644
index 0000000..67e53f4
--- /dev/null
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst
@@ -0,0 +1,97 @@
+===============
+i.MX RT1020 EVK
+===============
+
+`i.MX RT1020 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/i-mx-rt1020-evaluation-kit:MIMXRT1020-EVK>`_
+is an evaluation kit by NXP company. This kit uses the i.MX RT1020 crossover MCU in LQFP144 package with Arm Cortex M7 core.
+
+Features
+========
+
+- Processor
+    - MIMXRT1021DAG5A processor
+- Memory
+    - 256 Mb SDRAM memory
+    - 64 Mb QSPI Flash
+    - TF socket for SD card
+- Display and Audio
+    - Audio CODEC
+    - 4-pole audio headphone jack
+    - External speaker connection
+    - Microphone
+- Connectivity
+    - Micro USB host and OTG connectors
+    - Ethernet (10/100T) connector
+    - CAN transceivers
+    - Arduino® interface
+
+Serial Console
+==============
+
+The EVK default console is on LPUART1, which is multiplexed onto
+the debug port (either OpenSDA or SEGGER JLink).
+
+It runs at 115200,n,8,1.
+
+LEDs and Buttons
+================
+
+LEDs
+----
+
+There is one user accessible LED status indicator located on the 1020-EVK,
+USERLED.  The function of the LEDs include:
+
+- D3: Power (Green) & Overpower (Red)
+- D5: User LED (Green) GPIO_AD_B0_05
+- D15: RST LED (Red)
+
+This LED is not used by the board port unless CONFIG_ARCH_LEDS is
+defined.  In that case, the usage by the board port is defined in
+include/board.h and src/imxrt_autoleds.c. The LED is used to encode
+OS-related events as documented in board.h
+
+================ ======================= =====
+SYMBOL           Meaning                 LED
+================ ======================= =====
+LED_STARTED      NuttX has been started  OFF
+LED_HEAPALLOCATE Heap has been allocated OFF
+LED_IRQSENABLED  Interrupts enabled      OFF
+LED_STACKCREATED Idle stack created      ON
+LED_INIRQ        In an interrupt         N/C
+LED_SIGNAL       In a signal handler     N/C
+LED_ASSERTION    An assertion failed     N/C
+LED_PANIC        The system has crashed  FLASH
+================ ======================= =====
+
+Thus if the LED is statically on, NuttX has successfully  booted and is,
+apparently, running normally.  If the LED is flashing at approximately
+2Hz, then a fatal error has been detected and the system has halted.
+
+
+Buttons
+-------
+
+This IMXRT board has three external buttons
+
+- SW2 (IRQ88, ONOFF)  Not on a GPIO, No muxing
+- SW3 (IRQ88, POR)    Not on a GPIO, No muxing
+- SW4 (IRQ88, USER)   Wakeup, GPIO5-0
+
+Configurations
+==============
+
+netnsh
+------
+    
+This configuration is similar to the nsh configuration except that is
+has networking enabled, both IPv4 and IPv6.  This NSH configuration is
+focused on network-related testing.
+
+nsh
+---
+
+Configures the NuttShell (nsh) located at examples/nsh.  This NSH
+configuration is focused on low level, command-line driver testing.
+Built-in applications are supported, but none are enabled.  This
+configuration does not support a network.
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst
new file mode 100644
index 0000000..1bbc7dc
--- /dev/null
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst
@@ -0,0 +1,208 @@
+===============
+i.MX RT1050 EVK
+===============
+
+`i.MX RT1050 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/i-mx-rt1050-evaluation-kit:MIMXRT1050-EVK>`_
+is an evaluation kit by NXP company. This kit uses the i.MX RT1050 crossover MCU with Arm Cortex M7 core.
+
+Features
+========
+
+- Processor
+    - MIMXRT1052DVL6A processor
+- Memory
+    - 256 Mb SDRAM memory
+    - 512 Mb Hyper Flash
+    - Footprint for QSPI Flash
+    - TF socket for SD card
+- Display and Audio
+    - Parallel LCD connector
+    - Camera connector
+    - Audio CODEC
+    - 4-pole audio headphone jack
+    - External speaker connection
+    - Microphone
+    - SPDIF connector
+- Connectivity
+    - Micro USB host and OTG connectors
+    - Ethernet (10/100T) connector
+    - CAN transceivers
+    - Arduino® interface
+
+Serial Console
+==============
+
+Virtual console port provided by OpenSDA:
+
+- UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
+- UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
+
+Arduino RS-232 Shield:
+
+- J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
+- J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
+
+LEDs and buttons
+================
+
+LEDs
+----
+
+There are four LED status indicators located on the EVK Board.  The
+functions of these LEDs include:
+
+- Main Power Supply(D3)
+    - Green: DC 5V main supply is normal.
+    - Red:   J2 input voltage is over 5.6V.
+    - Off:   The board is not powered.
+- Reset RED LED(D15)
+- OpenSDA LED(D16)
+- USER LED(D18)
+
+Only a single LED, D18, is under software control.  It connects to
+GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
+
+This LED is not used by the board port unless CONFIG_ARCH_LEDS is
+defined.  In that case, the usage by the board port is defined in
+include/board.h and src/imxrt_autoleds.c. The LED is used to encode
+OS-related events as follows:
+
+================ ======================= =====
+SYMBOL           Meaning                 LED
+================ ======================= =====
+LED_STARTED      NuttX has been started  OFF
+LED_HEAPALLOCATE Heap has been allocated OFF
+LED_IRQSENABLED  Interrupts enabled      OFF
+LED_STACKCREATED Idle stack created      ON
+LED_INIRQ        In an interrupt         N/C
+LED_SIGNAL       In a signal handler     N/C
+LED_ASSERTION    An assertion failed     N/C
+LED_PANIC        The system has crashed  FLASH
+================ ======================= =====
+
+Thus if the LED is statically on, NuttX has successfully  booted and is,
+apparently, running normally.  If the LED is flashing at approximately
+2Hz, then a fatal error has been detected and the system has halted.
+
+Buttons
+-------
+
+There are four user interface switches on the MIMXRT1050 EVK Board:
+
+- SW1: Power Switch (slide switch)
+- SW2: ON/OFF Button
+- SW3: Reset button
+- SW8: User button
+
+Only the user button is available to the software.  It is sensed on the
+WAKEUP pin which will be pulled low when the button is pressed.
+
+Configurations
+==============
+
+knsh
+----
+
+This is identical to the nsh configuration below except that NuttX
+is built as a protected mode, monolithic module and the user applications
+are built separately.  It is recommends to use a special make command;
+not just 'make' but make with the following two arguments:
+
+.. code-block:: console
+
+    $ make pass1 pass2
+
+In the normal case (just 'make'), make will attempt to build both user-
+and kernel-mode blobs more or less interleaved.  This actual works!
+However, for me it is very confusing so I prefer the above make command:
+Make the user-space binaries first (pass1), then make the kernel-space
+binaries (pass2)
+
+NOTES:
+
+At the end of the build, there will be several files in the top-level
+NuttX build directory:
+
+PASS1:
+  - nuttx_user.elf    - The pass1 user-space ELF file
+  - nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
+  - User.map          - Symbols in the user-space ELF file
+
+PASS2:
+  - nuttx             - The pass2 kernel-space ELF file
+  - nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
+  - System.map        - Symbols in the kernel-space ELF file
+
+The J-Link programmer will except files in .hex, .mot, .srec, and .bin
+formats.
+
+Combining .hex files.  If you plan to use the .hex files with your
+debugger or FLASH utility, then you may need to combine the two hex
+files into a single .hex file.  Here is how you can do that.
+
+The 'tail' of the nuttx.hex file should look something like this
+(with my comments added beginning with #):
+
+.. code-block:: console::
+
+  $ tail nuttx.hex
+  #xx xxxx 00 data records
+  ...
+  :10 C93C 00 000000000040184000C2010000000000 90
+  :10 C94C 00 2400080000801B4000C01B4000001C40 5D
+  :10 C95C 00 00401C4000000C4050BF0060FF000100 74
+  #xx xxxx 05 Start Linear Address Record
+  :04 0000 05 6000 02C1 D4
+  #xx xxxx 01 End Of File record
+  :00 0000 01 FF
+
+Use an editor such as vi to remove the 05 and 01 records.
+
+The 'head' of the nuttx_user.hex file should look something like
+this (again with my comments added beginning with #):
+
+.. code-block:: console::
+
+  $ head nuttx_user.hex
+  #xx xxxx 04 Extended Linear Address Record
+  :02 0000 04 6020 7A
+  #xx xxxx 00 data records
+  :10 0000 00 8905206030002060F2622060FC622060 80
+  :10 0010 00 0000242008002420080024205C012420 63
+  :10 0020 00 140024203D0020603100206071052060 14
+  ...
+
+Nothing needs to be done here.  The nuttx_user.hex file should
+be fine.
+
+Combine the edited nuttx.hex and un-edited nuttx_user.hex
+file to produce a single combined hex file:
+
+.. code-block:: console::
+
+  $ cat nuttx.hex nuttx_user.hex >combined.hex
+
+Then use the combined.hex file with the to write the FLASH image.
+If you do this a lot, you will probably want to invest a little time
+to develop a tool to automate these steps.
+
+STATUS:  This configuration was added on 8 June 2018 primarily to assure
+that all of the components are in place to support the PROTECTED mode
+build.  This configuration, however, has not been verified as of this
+writing.
+
+
+netnsh
+------
+    
+This configuration is similar to the nsh configuration except that is
+has networking enabled, both IPv4 and IPv6.  This NSH configuration is
+focused on network-related testing.
+
+nsh
+---
+    
+Configures the NuttShell (nsh) located at examples/nsh.  This NSH
+configuration is focused on low level, command-line driver testing.
+Built-in applications are supported, but none are enabled.  This
+configuration does not support a network.
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst
new file mode 100644
index 0000000..0d7e7d3
--- /dev/null
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst
@@ -0,0 +1,272 @@
+===============
+i.MX RT1060 EVK
+===============
+
+`i.MX RT1060 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/mimxrt1060-evk-i-mx-rt1060-evaluation-kit:MIMXRT1060-EVK>`_
+is an evaluation kit by NXP company. This kit uses the i.MX RT1060 crossover MCU with Arm Cortex M7 core.
+
+Features
+========
+
+- Processor
+    - MIMXRT1062DVL6A processor
+- Memory
+    - 1 Mb OCRAM memory
+    - 256 Mb SDRAM memory
+    - 512 Mb Hyper Flash - Populated but 0 ohm DNP
+    - 64 Mb QSPI Flash
+    - TF socket for SD card
+- Display and Audio
+    - Parallel LCD connector
+    - Camera connector
+    - Audio CODEC
+    - 4-pole audio headphone jack
+    - External speaker connection
+    - Microphone
+    - SPDIF connector
+- Connectivity
+    - Micro USB host and OTG connectors
+    - Ethernet (10/100T) connector
+    - CAN transceivers (including one CAN FD)
+    - Arduino® interface
+- Sensors
+    - FXOS8700CQ 6-Axis Ecompass (3-Axis Mag, 3-Axis Accel)
+
+Serial Console
+==============
+
+Virtual console port provided by OpenSDA:
+
+- UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
+- UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
+
+Arduino RS-232 Shield:
+
+- J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
+- J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
+
+LEDs and buttons
+================
+
+LEDs
+----
+
+There are four LED status indicators located on the EVK Board.  The
+functions of these LEDs include:
+
+- Main Power Supply(D3)
+    - Green: DC 5V main supply is normal.
+    - Red:   J2 input voltage is over 5.6V.
+    - Off:   The board is not powered.
+- Reset RED LED(D21)
+- OpenSDA LED(D20)
+- USER LED(D18)
+
+Only a single LED, D18, is under software control.  It connects to
+GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
+
+This LED is not used by the board port unless CONFIG_ARCH_LEDS is
+defined.  In that case, the usage by the board port is defined in
+include/board.h and src/imxrt_autoleds.c. The LED is used to encode
+OS-related events as follows:
+
+================ ======================= =====
+SYMBOL           Meaning                 LED
+================ ======================= =====
+LED_STARTED      NuttX has been started  OFF
+LED_HEAPALLOCATE Heap has been allocated OFF
+LED_IRQSENABLED  Interrupts enabled      OFF
+LED_STACKCREATED Idle stack created      ON
+LED_INIRQ        In an interrupt         N/C
+LED_SIGNAL       In a signal handler     N/C
+LED_ASSERTION    An assertion failed     N/C
+LED_PANIC        The system has crashed  FLASH
+================ ======================= =====
+
+Thus if the LED is statically on, NuttX has successfully  booted and is,
+apparently, running normally.  If the LED is flashing at approximately
+2Hz, then a fatal error has been detected and the system has halted.
+
+Buttons
+-------
+
+There are five user interface switches on the MIMXRT1050 EVK Board:
+
+- SW1: Power Switch (slide switch fir power from J2)
+- SW2: ON/OFF Button
+- SW3: Power-on Reset button state forces to reset the system power except SNVS domain
+- SW9: Reset button
+- SW8: User button GPIO5-00
+
+Only the user button is available to the software.  It is sensed on the
+WAKEUP pin which will be pulled low when the button is pressed.
+
+
+J-Link External Debug Probe
+===========================
+
+Install the J-Link Debug Host Tools and make sure they are in your search path.
+
+Attach a J-Link 20-pin connector to J21. Check that jumpers J47 and J48 are
+off (they are on by default when boards ship from the factory) to ensure SWD
+signals are disconnected from the OpenSDA microcontroller.
+
+Configurations
+==============
+
+can
+---
+
+This is an nsh configuration (see below) with added support of CAN driver.
+FlexCAN3 is chosen as default, the change can be made at System type peripheral
+selection. Please note that only FlexCAN3 and FlexCAN2 is available on this board.
+
+Bitrate and sample point can be also changed at System type peripheral selection,
+basic values are 1 MHz for bitrate and 0.80 for sample point. The FlexCAN driver
+for imxrt runs at 80 MHz clock frequency.
+
+The configuration also includes CAN utilities as candump and cansend.
+
+canfd
+-----
+
+This is an nsh configuration (see below) with added support of CAN_FD driver.
+FlexCAN3 is chosen as default, please note that only FlexCAN3 is capable of
+providing CAN_FD support.
+
+Bitrate and sample point can be also changed at System type peripheral selection,
+basic values are 1 MHz for bitrate and 0.80 for sample point for arbitration phase
+and 4 MHz (bitrate) and 0.90 (sample point) for data phase. The FlexCAN driver
+for imxrt runs at 80 MHz clock frequency.
+
+The configuration also includes CAN utilities as candump and cansend.
+
+knsh
+----
+
+This is identical to the nsh configuration below except that NuttX
+is built as a protected mode, monolithic module and the user applications
+are built separately.  It is recommends to use a special make command;
+not just 'make' but make with the following two arguments:
+
+.. code-block:: console
+
+    $ make pass1 pass2
+
+In the normal case (just 'make'), make will attempt to build both user-
+and kernel-mode blobs more or less interleaved.  This actual works!
+However, for me it is very confusing so I prefer the above make command:
+Make the user-space binaries first (pass1), then make the kernel-space
+binaries (pass2)
+
+NOTES:
+
+At the end of the build, there will be several files in the top-level
+NuttX build directory:
+
+PASS1:
+  - nuttx_user.elf    - The pass1 user-space ELF file
+  - nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
+  - User.map          - Symbols in the user-space ELF file
+
+PASS2:
+  - nuttx             - The pass2 kernel-space ELF file
+  - nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
+  - System.map        - Symbols in the kernel-space ELF file
+
+The J-Link programmer will except files in .hex, .mot, .srec, and .bin
+formats.
+
+Combining .hex files.  If you plan to use the .hex files with your
+debugger or FLASH utility, then you may need to combine the two hex
+files into a single .hex file.  Here is how you can do that.
+
+The 'tail' of the nuttx.hex file should look something like this
+(with my comments added beginning with #):
+
+.. code-block:: console::
+
+  $ tail nuttx.hex
+  #xx xxxx 00 data records
+  ...
+  :10 C93C 00 000000000040184000C2010000000000 90
+  :10 C94C 00 2400080000801B4000C01B4000001C40 5D
+  :10 C95C 00 00401C4000000C4050BF0060FF000100 74
+  #xx xxxx 05 Start Linear Address Record
+  :04 0000 05 6000 02C1 D4
+  #xx xxxx 01 End Of File record
+  :00 0000 01 FF
+
+Use an editor such as vi to remove the 05 and 01 records.
+
+The 'head' of the nuttx_user.hex file should look something like
+this (again with my comments added beginning with #):
+
+.. code-block:: console::
+
+  $ head nuttx_user.hex
+  #xx xxxx 04 Extended Linear Address Record
+  :02 0000 04 6020 7A
+  #xx xxxx 00 data records
+  :10 0000 00 8905206030002060F2622060FC622060 80
+  :10 0010 00 0000242008002420080024205C012420 63
+  :10 0020 00 140024203D0020603100206071052060 14
+  ...
+
+Nothing needs to be done here.  The nuttx_user.hex file should
+be fine.
+
+Combine the edited nuttx.hex and un-edited nuttx_user.hex
+file to produce a single combined hex file:
+
+.. code-block:: console::
+
+  $ cat nuttx.hex nuttx_user.hex >combined.hex
+
+Then use the combined.hex file with the to write the FLASH image.
+If you do this a lot, you will probably want to invest a little time
+to develop a tool to automate these steps.
+
+STATUS:  This configuration was added on 8 June 2018 primarily to assure
+that all of the components are in place to support the PROTECTED mode
+build.  This configuration, however, has not been verified as of this
+writing.
+
+netnsh
+------
+
+This configuration is similar to the nsh configuration except that is
+has networking enabled, both IPv4 and IPv6.  This NSH configuration is
+focused on network-related testing.
+
+nsh
+---
+   
+Configures the NuttShell (nsh) located at examples/nsh.  This NSH
+configuration is focused on low level, command-line driver testing.
+Built-in applications are supported, but none are enabled.  This
+configuration does not support a network.
+
+lvgl
+----
+
+Configures the Littlev graphic library (lvgl) demo located under
+examples/lvgldemo. This configuration needs the optional LCD model
+RK043FN02H-CT from NXP. The LCD panel comes with the integrated
+capacitive touchscreen sensor FT5336GQQ connected to the LPI2C1 bus,
+address 0x38. NuttX support such touchscreen device via the driver
+ft5x06 (drivers/input/ft5x06.c). At the moment only the polling
+method is available, the board features an interrupt line connected
+to the touchscreen sensor IC.
+
+IMXRT1060 MCU provides the integrated LCD driver.
+
+The LCD panel features:
+    - size 4.3"
+    - resolution 480×272 RGB
+    - backlight driver
+    - dimensions [mm]: 105.5 (W) x 67.2(H) x 4.35(D) Max.
+
+To run the lvgl demo please type "lvgldemo" at nsh prompt::
+
+    nsh> lvgldemo
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst
new file mode 100644
index 0000000..17613f6
--- /dev/null
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst
@@ -0,0 +1,272 @@
+===============
+i.MX RT1064 EVK
+===============
+
+`i.MX RT1064 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/mimxrt1064-evk-i-mx-rt1064-evaluation-kit:MIMXRT1064-EVK>`_
+is an evaluation kit by NXP company. This kit uses the i.MX RT1064 crossover MCU with Arm Cortex M7 core.
+
+Features
+========
+
+- Processor
+    - MIMXRT1066DVL6A processor
+- Memory
+    - 1 Mb OCRAM memory
+    - 256 Mb SDRAM memory
+    - 512 Mb Hyper Flash - Populated but 0 ohm DNP
+    - 64 Mb QSPI Flash
+    - TF socket for SD card
+- Display and Audio
+    - Parallel LCD connector
+    - Camera connector
+    - Audio CODEC
+    - 4-pole audio headphone jack
+    - External speaker connection
+    - Microphone
+    - SPDIF connector
+- Connectivity
+    - Micro USB host and OTG connectors
+    - Ethernet (10/100T) connector
+    - CAN transceivers
+    - Arduino® interface
+- Sensors
+    - FXOS8700CQ 6-Axis Ecompass (3-Axis Mag, 3-Axis Accel)
+
+Serial Console
+==============
+
+Virtual console port provided by OpenSDA:
+
+- UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
+- UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
+
+Arduino RS-232 Shield:
+
+- J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
+- J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
+
+LEDs and buttons
+================
+
+LEDs
+----
+
+There are four LED status indicators located on the EVK Board.  The
+functions of these LEDs include:
+
+- Main Power Supply(D3)
+    - Green: DC 5V main supply is normal.
+    - Red:   J2 input voltage is over 5.6V.
+    - Off:   The board is not powered.
+- Reset RED LED(D21)
+- OpenSDA LED(D20)
+- USER LED(D18)
+
+Only a single LED, D18, is under software control.  It connects to
+GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
+
+This LED is not used by the board port unless CONFIG_ARCH_LEDS is
+defined.  In that case, the usage by the board port is defined in
+include/board.h and src/imxrt_autoleds.c. The LED is used to encode
+OS-related events as follows:
+
+================ ======================= =====
+SYMBOL           Meaning                 LED
+================ ======================= =====
+LED_STARTED      NuttX has been started  OFF
+LED_HEAPALLOCATE Heap has been allocated OFF
+LED_IRQSENABLED  Interrupts enabled      OFF
+LED_STACKCREATED Idle stack created      ON
+LED_INIRQ        In an interrupt         N/C
+LED_SIGNAL       In a signal handler     N/C
+LED_ASSERTION    An assertion failed     N/C
+LED_PANIC        The system has crashed  FLASH
+================ ======================= =====
+
+Thus if the LED is statically on, NuttX has successfully  booted and is,
+apparently, running normally.  If the LED is flashing at approximately
+2Hz, then a fatal error has been detected and the system has halted.
+
+Buttons
+-------
+
+There are five user interface switches on the MIMXRT1050 EVK Board:
+
+- SW1: Power Switch (slide switch fir power from J2)
+- SW2: ON/OFF Button
+- SW3: Power-on Reset button state forces to reset the system power except SNVS domain
+- SW9: Reset button
+- SW8: User button GPIO5-00
+
+Only the user button is available to the software.  It is sensed on the
+WAKEUP pin which will be pulled low when the button is pressed.
+
+
+J-Link External Debug Probe
+===========================
+
+Install the J-Link Debug Host Tools and make sure they are in your search path.
+
+Attach a J-Link 20-pin connector to J21. Check that jumpers J47 and J48 are
+off (they are on by default when boards ship from the factory) to ensure SWD
+signals are disconnected from the OpenSDA microcontroller.
+
+Configurations
+==============
+
+can
+---
+
+This is an nsh configuration (see below) with added support of CAN driver.
+FlexCAN3 is chosen as default, the change can be made at System type peripheral
+selection. Please note that only FlexCAN3 and FlexCAN2 is available on this board.
+
+Bitrate and sample point can be also changed at System type peripheral selection,
+basic values are 1 MHz for bitrate and 0.80 for sample point. The FlexCAN driver
+for imxrt runs at 80 MHz clock frequency.
+
+The configuration also includes CAN utilities as candump and cansend.
+
+canfd
+-----
+    
+This is an nsh configuration (see below) with added support of CAN_FD driver.
+FlexCAN3 is chosen as default, please note that only FlexCAN3 is capable of
+providing CAN_FD support.
+
+Bitrate and sample point can be also changed at System type peripheral selection,
+basic values are 1 MHz for bitrate and 0.80 for sample point for arbitration phase
+and 4 MHz (bitrate) and 0.90 (sample point) for data phase. The FlexCAN driver
+for imxrt runs at 80 MHz clock frequency.
+
+The configuration also includes CAN utilities as candump and cansend.
+
+knsh
+----
+
+This is identical to the nsh configuration below except that NuttX
+is built as a protected mode, monolithic module and the user applications
+are built separately.  It is recommends to use a special make command;
+not just 'make' but make with the following two arguments:
+
+.. code-block:: console
+
+    $ make pass1 pass2
+
+In the normal case (just 'make'), make will attempt to build both user-
+and kernel-mode blobs more or less interleaved.  This actual works!
+However, for me it is very confusing so I prefer the above make command:
+Make the user-space binaries first (pass1), then make the kernel-space
+binaries (pass2)
+
+NOTES:
+
+At the end of the build, there will be several files in the top-level
+NuttX build directory:
+
+PASS1:
+  - nuttx_user.elf    - The pass1 user-space ELF file
+  - nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
+  - User.map          - Symbols in the user-space ELF file
+
+PASS2:
+  - nuttx             - The pass2 kernel-space ELF file
+  - nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
+  - System.map        - Symbols in the kernel-space ELF file
+
+The J-Link programmer will except files in .hex, .mot, .srec, and .bin
+formats.
+
+Combining .hex files.  If you plan to use the .hex files with your
+debugger or FLASH utility, then you may need to combine the two hex
+files into a single .hex file.  Here is how you can do that.
+
+The 'tail' of the nuttx.hex file should look something like this
+(with my comments added beginning with #):
+
+.. code-block:: console::
+
+  $ tail nuttx.hex
+  #xx xxxx 00 data records
+  ...
+  :10 C93C 00 000000000040184000C2010000000000 90
+  :10 C94C 00 2400080000801B4000C01B4000001C40 5D
+  :10 C95C 00 00401C4000000C4050BF0060FF000100 74
+  #xx xxxx 05 Start Linear Address Record
+  :04 0000 05 6000 02C1 D4
+  #xx xxxx 01 End Of File record
+  :00 0000 01 FF
+
+Use an editor such as vi to remove the 05 and 01 records.
+
+The 'head' of the nuttx_user.hex file should look something like
+this (again with my comments added beginning with #):
+
+.. code-block:: console::
+
+  $ head nuttx_user.hex
+  #xx xxxx 04 Extended Linear Address Record
+  :02 0000 04 6020 7A
+  #xx xxxx 00 data records
+  :10 0000 00 8905206030002060F2622060FC622060 80
+  :10 0010 00 0000242008002420080024205C012420 63
+  :10 0020 00 140024203D0020603100206071052060 14
+  ...
+
+Nothing needs to be done here.  The nuttx_user.hex file should
+be fine.
+
+Combine the edited nuttx.hex and un-edited nuttx_user.hex
+file to produce a single combined hex file:
+
+.. code-block:: console::
+
+  $ cat nuttx.hex nuttx_user.hex >combined.hex
+
+Then use the combined.hex file with the to write the FLASH image.
+If you do this a lot, you will probably want to invest a little time
+to develop a tool to automate these steps.
+
+STATUS:  This configuration was added on 8 June 2018 primarily to assure
+that all of the components are in place to support the PROTECTED mode
+build.  This configuration, however, has not been verified as of this
+writing.
+
+netnsh
+------
+    
+This configuration is similar to the nsh configuration except that is
+has networking enabled, both IPv4 and IPv6.  This NSH configuration is
+focused on network-related testing.
+
+nsh
+---
+
+Configures the NuttShell (nsh) located at examples/nsh.  This NSH
+configuration is focused on low level, command-line driver testing.
+Built-in applications are supported, but none are enabled.  This
+configuration does not support a network.
+
+lvgl
+----
+
+Configures the Littlev graphic library (lvgl) demo located under
+examples/lvgldemo. This configuration needs the optional LCD model
+RK043FN02H-CT from NXP. The LCD panel comes with the integrated
+capacitive touchscreen sensor FT5336GQQ connected to the LPI2C1 bus,
+address 0x38. NuttX support such touchscreen device via the driver
+ft5x06 (drivers/input/ft5x06.c). At the moment only the polling
+method is available, the board features an interrupt line connected
+to the touchscreen sensor IC.
+
+IMXRT1064 MCU provides the integrated LCD driver.
+
+The LCD panel features:
+    - size 4.3"
+    - resolution 480×272 RGB
+    - backlight driver
+    - dimensions [mm]: 105.5 (W) x 67.2(H) x 4.35(D) Max.
+
+To run the lvgl demo please type "lvgldemo" at nsh prompt::
+
+    nsh> lvgldemo
diff --git a/boards/arm/imxrt/imxrt1020-evk/README.txt b/boards/arm/imxrt/imxrt1020-evk/README.txt
deleted file mode 100644
index df32771..0000000
--- a/boards/arm/imxrt/imxrt1020-evk/README.txt
+++ /dev/null
@@ -1,167 +0,0 @@
-README
-======
-
-README for NuttX port to the IMXRT1020-EVK, an IMXRT1020 based
-board with various capabilities, featuring the NXP
-IMXRT1021DAG5A CPU.
-
-    o Processor
-
-      - MIMXRT1021DAG5A processor
-
-    o Memory
-
-      - 256 Mb SDRAM memory
-      - 64 Mb QSPI Flash
-      - TF socket for SD card
-
-    o Display and Audio
-
-      - Audio CODEC
-      - 4-pole audio headphone jack
-      - External speaker connection
-      - Microphone
-
-    o Connectivity
-
-      - Micro USB host and OTG connectors
-      - Ethernet (10/100T) connector
-      - CAN transceivers
-      - Arduino® interface
-
-Serial Console
-==============
-
-  The EVK default console is on LPUART1, which is multiplexed onto
-  the debug port (either OpenSDA or SEGGER JLink).
-
-  It runs at 115200,n,8,1.
-
-LEDs and Buttons
-================
-
-  There is one user accessible LED status indicator located on the 1020-EVK,
-  USERLED.  The function of the LEDs include:
-
-    D3: Power (Green) & Overpower (Red)
-    D5: User LED (Green) GPIO_AD_B0_05
-    D15: RST LED (Red)
-
-  This LED is not used by the board port unless CONFIG_ARCH_LEDS is
-  defined.  In that case, the usage by the board port is defined in
-  include/board.h and src/imxrt_autoleds.c. The LED is used to encode
-  OS-related events as documented in board.h
-
-     ---------------------------------------------------
-     SYMBOL                    Meaning           USERLED
-    ---------------------------------------------------
-
-    LED_STARTED          NuttX has been started  OFF
-    LED_HEAPALLOCATE     Heap has been allocated OFF
-    LED_IRQSENABLED      Interrupts enabled      OFF
-    LED_STACKCREATED     Idle stack created      ON
-    LED_INIRQ            In an interrupt         N/C
-    LED_SIGNAL           In a signal handler     N/C
-    LED_ASSERTION        An assertion failed     N/C
-    LED_PANIC            The system has crashed  FLASH
-    LED_IDLE             Not used
-
-  In addition the LED is illuminated during an interrupt.
-
-  This IMXRT board has three external buttons
-
-    1. SW2 (IRQ88, ONOFF)  Not on a GPIO, No muxing
-    2. SW3 (IRQ88, POR)    Not on a GPIO, No muxing
-    3. SW4 (IRQ88, USER)   Wakeup, GPIO5-0
-
-Configurations
-==============
-
-  Information Common to All Configurations
-  ----------------------------------------
-
-  Each i.MX RT 1020 configuration is maintained in a sub-directory and
-  can be selected as follow:
-
-    tools/configure.sh [OPTIONS] imxrt1020-evk:<subdir>
-
-  Where typical options are -l to configure to build on Linux or -c to
-  configure for Cygwin under Linux.  'tools/configure.sh -h' will show
-  you all of the options.
-
-  Before building, make sure the PATH environment variable include the
-  correct path to the directory than holds your toolchain binaries.
-
-  And then build NuttX by simply typing the following.  At the conclusion of
-  the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
-
-    make
-
-  The <subdir> that is provided above as an argument to the tools/configure.sh
-  must be is one of the following.
-
-  NOTES:
-
-  1. These configurations use the mconf-based configuration tool.  To
-    change any of these configurations using that tool, you should:
-
-    a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
-       see additional README.txt files in the NuttX tools repository.
-
-    b. Execute 'make menuconfig' in nuttx/ in order to start the
-       reconfiguration process.
-
-  2. Unless stated otherwise, all configurations generate console
-     output on UART1 (i.e. the multiplexed OpenSDA/JLink serial port).
-
-  3. All of these configurations are set up to build under Windows using the
-     "GNU Tools for ARM Embedded Processors" that is maintained by ARM
-     (unless stated otherwise in the description of the configuration).
-
-       https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
-
-     That toolchain selection can easily be reconfigured using
-     'make menuconfig'.  Here are the relevant current settings:
-
-     Build Setup:
-       CONFIG_HOST_WINDOWS=y               : Window environment
-       CONFIG_WINDOWS_CYGWIN=y             : Cywin under Windows
-
-     System Type -> Toolchain:
-       CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : GNU ARM EABI toolchain
-
-Configuration sub-directories
------------------------------
-
-  netnsh:
-
-    This configuration is similar to the nsh configuration except that is
-    has networking enabled, both IPv4 and IPv6.  This NSH configuration is
-    focused on network-related testing.
-
-    NOTES:
-
-    1. LED support is disabled because there is a conflict between the LED
-       GPIO and PHY pin usage.
-
-    2. Telnet is enabled.  But since both IPv4 and IPv6 are enabled, it
-       will default to IPv6.  That means that to connect a Telnet session
-       from a PC, you will need to use the IPv6 address which by defaault
-       is:
-
-         telnet fc00::2
-
-       Or, disable IPv4 support so that only IPv4 addressing is used.
-
-    3. The network monitor is not enabled in this configuration.  As a
-       result, the Ethernet cable must be connected when the board is
-       powered up.  Otherwise, it will stall for a long period of time
-       before the NSH prompt appears and you will not be able to used
-       the board.
-
-  nsh:
-
-    Configures the NuttShell (nsh) located at examples/nsh.  This NSH
-    configuration is focused on low level, command-line driver testing.
-    Built-in applications are supported, but none are enabled.  This
-    configuration does not support a network.
diff --git a/boards/arm/imxrt/imxrt1050-evk/README.txt b/boards/arm/imxrt/imxrt1050-evk/README.txt
deleted file mode 100644
index 0d4fbec..0000000
--- a/boards/arm/imxrt/imxrt1050-evk/README.txt
+++ /dev/null
@@ -1,297 +0,0 @@
-README
-======
-
-  This README file provides information about the port of NuttX to the NXP
-  i.MXRT evaluation kit, MIMXRT1050-EVKB.  This board features the
-  MIMXRT1052DVL6A MCU.  Some of the features of this board include:
-
-    o Processor
-
-      - MIMXRT1052DVL6A processor
-
-    o Memory
-
-      - 256 Mb SDRAM memory
-      - 512 Mb Hyper Flash
-      - Footprint for QSPI Flash
-      - TF socket for SD card
-
-    o Display and Audio
-
-      - Parallel LCD connector
-      - Camera connector
-      - Audio CODEC
-      - 4-pole audio headphone jack
-      - External speaker connection
-      - Microphone
-      - SPDIF connector
-
-    o Connectivity
-
-      - Micro USB host and OTG connectors
-      - Ethernet (10/100T) connector
-      - CAN transceivers
-      - Arduino® interface
-
-Contents
-========
-
-  o Serial Console
-  o LEDs and buttons
-  o Configurations
-    - Configuration sub-directories
-
-Serial Console
-==============
-
-  Virtual console port provided by OpenSDA:
-
-           UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
-           UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
-
-  Arduino RS-232 Shield:
-
-    J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
-    J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
-
-LEDs and buttons
-================
-
-  LEDs
-  ----
-
-  There are four LED status indicators located on the EVK Board.  The
-  functions of these LEDs include:
-
-    - Main Power Supply(D3)
-      Green: DC 5V main supply is normal.
-      Red:   J2 input voltage is over 5.6V.
-      Off:   The board is not powered.
-    - Reset RED LED(D15)
-    - OpenSDA LED(D16)
-    - USER LED(D18)
-
-  Only a single LED, D18, is under software control.  It connects to
-  GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
-
-  This LED is not used by the board port unless CONFIG_ARCH_LEDS is
-  defined.  In that case, the usage by the board port is defined in
-  include/board.h and src/imxrt_autoleds.c. The LED is used to encode
-  OS-related events as follows:
-
-    ------------------- ----------------------- ------
-    SYMBOL              Meaning                 LED
-    ------------------- ----------------------- ------
-    LED_STARTED         NuttX has been started  OFF
-    LED_HEAPALLOCATE    Heap has been allocated OFF
-    LED_IRQSENABLED     Interrupts enabled      OFF
-    LED_STACKCREATED    Idle stack created      ON
-    LED_INIRQ           In an interrupt         N/C
-    LED_SIGNAL          In a signal handler     N/C
-    LED_ASSERTION       An assertion failed     N/C
-    LED_PANIC           The system has crashed  FLASH
-
-  Thus if the LED is statically on, NuttX has successfully  booted and is,
-  apparently, running normally.  If the LED is flashing at approximately
-  2Hz, then a fatal error has been detected and the system has halted.
-
-  Buttons
-  -------
-
-  There are four user interface switches on the MIMXRT1050 EVK Board:
-
-    - SW1: Power Switch (slide switch)
-    - SW2: ON/OFF Button
-    - SW3: Reset button
-    - SW8: User button
-
-  Only the user button is available to the software.  It is sensed on the
-  WAKEUP pin which will be pulled low when the button is pressed.
-
-Configurations
-==============
-
-  Information Common to All Configurations
-  ----------------------------------------
-  Each i.MX RT 10050 configuration is maintained in a sub-directory and
-  can be selected as follow:
-
-    tools/configure.sh [OPTIONS] imxrt1050-evk:<subdir>
-
-  Where typical options are -l to configure to build on Linux or -c to
-  configure for Cygwin under Linux.  'tools/configure.sh -h' will show
-  you all of the options.
-
-  Before building, make sure the PATH environment variable include the
-  correct path to the directory than holds your toolchain binaries.
-
-  And then build NuttX by simply typing the following.  At the conclusion of
-  the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
-
-    make
-
-  The <subdir> that is provided above as an argument to the tools/configure.sh
-  must be is one of the following.
-
-  NOTES:
-
-  1. These configurations use the mconf-based configuration tool.  To
-    change any of these configurations using that tool, you should:
-
-    a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
-       see additional README.txt files in the NuttX tools repository.
-
-    b. Execute 'make menuconfig' in nuttx/ in order to start the
-       reconfiguration process.
-
-  2. Unless stated otherwise, all configurations generate console
-     output on UART3 (i.e., for the Arduino serial shield).
-
-  3. All of these configurations are set up to build under Windows using the
-     "GNU Tools for ARM Embedded Processors" that is maintained by ARM
-     (unless stated otherwise in the description of the configuration).
-
-       https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
-
-     That toolchain selection can easily be reconfigured using
-     'make menuconfig'.  Here are the relevant current settings:
-
-     Build Setup:
-       CONFIG_HOST_WINDOWS=y               : Window environment
-       CONFIG_WINDOWS_CYGWIN=y             : Cywin under Windows
-
-     System Type -> Toolchain:
-       CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : GNU ARM EABI toolchain
-
-Configuration sub-directories
------------------------------
-
-  knsh:
-
-    This is identical to the nsh configuration below except that NuttX
-    is built as a protected mode, monolithic module and the user applications
-    are built separately.  It is recommends to use a special make command;
-    not just 'make' but make with the following two arguments:
-
-        make pass1 pass2
-
-    In the normal case (just 'make'), make will attempt to build both user-
-    and kernel-mode blobs more or less interleaved.  This actual works!
-    However, for me it is very confusing so I prefer the above make command:
-    Make the user-space binaries first (pass1), then make the kernel-space
-    binaries (pass2)
-
-    NOTES:
-
-    1. At the end of the build, there will be several files in the top-level
-       NuttX build directory:
-
-       PASS1:
-         nuttx_user.elf    - The pass1 user-space ELF file
-         nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
-         User.map          - Symbols in the user-space ELF file
-
-       PASS2:
-         nuttx             - The pass2 kernel-space ELF file
-         nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
-         System.map        - Symbols in the kernel-space ELF file
-
-       The J-Link programmer will except files in .hex, .mot, .srec, and .bin
-       formats.
-
-    2. Combining .hex files.  If you plan to use the .hex files with your
-       debugger or FLASH utility, then you may need to combine the two hex
-       files into a single .hex file.  Here is how you can do that.
-
-       a. The 'tail' of the nuttx.hex file should look something like this
-          (with my comments added beginning with #):
-
-            $ tail nuttx.hex
-            #xx xxxx 00 data records
-            ...
-            :10 C93C 00 000000000040184000C2010000000000 90
-            :10 C94C 00 2400080000801B4000C01B4000001C40 5D
-            :10 C95C 00 00401C4000000C4050BF0060FF000100 74
-            #xx xxxx 05 Start Linear Address Record
-            :04 0000 05 6000 02C1 D4
-            #xx xxxx 01 End Of File record
-            :00 0000 01 FF
-
-          Use an editor such as vi to remove the 05 and 01 records.
-
-       b. The 'head' of the nuttx_user.hex file should look something like
-          this (again with my comments added beginning with #):
-
-            $ head nuttx_user.hex
-            #xx xxxx 04 Extended Linear Address Record
-            :02 0000 04 6020 7A
-            #xx xxxx 00 data records
-            :10 0000 00 8905206030002060F2622060FC622060 80
-            :10 0010 00 0000242008002420080024205C012420 63
-            :10 0020 00 140024203D0020603100206071052060 14
-            ...
-
-          Nothing needs to be done here.  The nuttx_user.hex file should
-          be fine.
-
-       c. Combine the edited nuttx.hex and un-edited nuttx_user.hex
-          file to produce a single combined hex file:
-
-          $ cat nuttx.hex nuttx_user.hex >combined.hex
-
-       Then use the combined.hex file with the to write the FLASH image.
-       If you do this a lot, you will probably want to invest a little time
-       to develop a tool to automate these steps.
-
-    STATUS:  This configuration was added on 8 June 2018 primarily to assure
-    that all of the components are in place to support the PROTECTED mode
-    build.  This configuration, however, has not been verified as of this
-    writing.
-
-  netnsh:
-
-    This configuration is similar to the nsh configuration except that is
-    has networking enabled, both IPv4 and IPv6.  This NSH configuration is
-    focused on network-related testing.
-
-    NOTES:
-
-    1. LED support is disabled because there is a conflict between the LED
-       GPIO and PHY pin usage.
-
-    2. Telnet is enabled.  But since both IPv4 and IPv6 are enabled, it
-       will default to IPv6.  That means that to connect a Telnet session
-       from a PC, you will need to use the IPv6 address which by defaault
-       is:
-
-         telnet fc00::2
-
-       Or, disable IPv4 support so that only IPv4 addressing is used.
-
-    3. The network monitor is not enabled in this configuration.  As a
-       result, the Ethernet cable must be connected when the board is
-       powered up.  Otherwise, it will stall for a long period of time
-       before the NSH prompt appears and you will not be able to used
-       the board.
-
-       The following configuration options should be added to your
-       configuration in order to use the network monitor:
-
-         CONFIG_IMXRT_ENET_PHYINIT=y
-         CONFIG_IMXRT_GPIO1_0_15_IRQ=y
-         CONFIG_IMXRT_GPIO_IRQ=y
-         CONFIG_NETDEV_IOCTL=y
-         CONFIG_NETDEV_PHY_IOCTL=y
-         CONFIG_NSH_NETINIT_MONITOR=y
-         CONFIG_NSH_NETINIT_RETRYMSEC=2000
-         CONFIG_NSH_NETINIT_SIGNO=18
-         CONFIG_NSH_NETINIT_THREAD=y
-         CONFIG_NSH_NETINIT_THREAD_PRIORITY=80
-         CONFIG_NSH_NETINIT_THREAD_STACKSIZE=1568
-
-  nsh:
-
-    Configures the NuttShell (nsh) located at examples/nsh.  This NSH
-    configuration is focused on low level, command-line driver testing.
-    Built-in applications are supported, but none are enabled.  This
-    configuration does not support a network.
diff --git a/boards/arm/imxrt/imxrt1060-evk/README.txt b/boards/arm/imxrt/imxrt1060-evk/README.txt
deleted file mode 100644
index 2cf8494..0000000
--- a/boards/arm/imxrt/imxrt1060-evk/README.txt
+++ /dev/null
@@ -1,363 +0,0 @@
-README
-======
-
-  This README file provides information about the port of NuttX to the NXP
-  i.MXRT evaluation kit, MIMXRT1060-EVK.  This board features the
-  MIMXRT1062DVL6A MCU.  Some of the features of this board include:
-
-    o Processor
-
-      - MIMXRT1062DVL6A processor
-
-    o Memory
-
-      - 1 Mb OCRAM memory
-      - 256 Mb SDRAM memory
-      - 512 Mb Hyper Flash - Populated but 0 ohm DNP
-      - 64 Mb QSPI Flash
-      - TF socket for SD card
-
-    o Display and Audio
-
-      - Parallel LCD connector
-      - Camera connector
-      - Audio CODEC
-      - 4-pole audio headphone jack
-      - External speaker connection
-      - Microphone
-      - SPDIF connector
-
-    o Connectivity
-
-      - Micro USB host and OTG connectors
-      - Ethernet (10/100T) connector
-      - CAN transceivers
-      - Arduino® interface
-
-    o Sensors
-
-      - FXOS8700CQ 6-Axis Ecompass (3-Axis Mag, 3-Axis Accel)
-
-Contents
-========
-
-  o Serial Console
-  o LEDs and buttons
-  o J-Link External Debug Probe
-  o Configurations
-    - Configuration sub-directories
-
-Serial Console
-==============
-
-  Virtual console port provided by OpenSDA:
-
-           UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
-           UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
-
-  Arduino RS-232 Shield:
-
-    J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
-    J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
-
-LEDs and buttons
-================
-
-  LEDs
-  ----
-
-  There are four LED status indicators located on the EVK Board.  The
-  functions of these LEDs include:
-
-    - Main Power Supply(D3)
-      Green: DC 5V main supply is normal.
-      Red:   J2 input voltage is over 5.6V.
-      Off:   The board is not powered.
-    - Reset RED LED(D21)
-    - OpenSDA LED(D20)
-    - USER LED(D18)
-
-  Only a single LED, D18, is under software control.  It connects to
-  GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
-
-  This LED is not used by the board port unless CONFIG_ARCH_LEDS is
-  defined.  In that case, the usage by the board port is defined in
-  include/board.h and src/imxrt_autoleds.c. The LED is used to encode
-  OS-related events as follows:
-
-    ------------------- ----------------------- ------
-    SYMBOL              Meaning                 LED
-    ------------------- ----------------------- ------
-    LED_STARTED         NuttX has been started  OFF
-    LED_HEAPALLOCATE    Heap has been allocated OFF
-    LED_IRQSENABLED     Interrupts enabled      OFF
-    LED_STACKCREATED    Idle stack created      ON
-    LED_INIRQ           In an interrupt         N/C
-    LED_SIGNAL          In a signal handler     N/C
-    LED_ASSERTION       An assertion failed     N/C
-    LED_PANIC           The system has crashed  FLASH
-
-  Thus if the LED is statically on, NuttX has successfully  booted and is,
-  apparently, running normally.  If the LED is flashing at approximately
-  2Hz, then a fatal error has been detected and the system has halted.
-
-  Buttons
-  -------
-
-  There are four user interface switches on the MIMXRT1050 EVK Board:
-
-    - SW1: Power Switch (slide switch fir power from J2)
-    - SW2: ON/OFF Button
-    - SW3: Power-on Reset button state forces to reset the system power except
-           SNVS domain
-    - SW9: Reset button
-    - SW8: User button GPIO5-00
-
-  Only the user button is available to the software.  It is sensed on the
-  WAKEUP pin which will be pulled low when the button is pressed.
-
-
-J-Link External Debug Probe
-===========================
-
-  Install the J-Link Debug Host Tools and make sure they are in your search path.
-
-  Attach a J-Link 20-pin connector to J21. Check that jumpers J47 and J48 are
-  off (they are on by default when boards ship from the factory) to ensure SWD
-  signals are disconnected from the OpenSDA microcontroller.
-
-Configurations
-==============
-
-  Information Common to All Configurations
-  ----------------------------------------
-  Each i.MX RT 1060 configuration is maintained in a sub-directory and
-  can be selected as follow:
-
-    tools/configure.sh [OPTIONS] imxrt1060-evk:<subdir>
-
-  Where typical options are -l to configure to build on Linux or -c to
-  configure for Cygwin under Linux.  'tools/configure.sh -h' will show
-  you all of the options.
-
-  Before building, make sure the PATH environment variable include the
-  correct path to the directory than holds your toolchain binaries.
-
-  And then build NuttX by simply typing the following.  At the conclusion of
-  the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
-
-    make
-
-  The <subdir> that is provided above as an argument to the tools/configure.sh
-  must be is one of the following.
-
-  NOTES:
-
-  1. These configurations use the mconf-based configuration tool.  To
-    change any of these configurations using that tool, you should:
-
-    a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
-       see additional README.txt files in the NuttX tools repository.
-
-    b. Execute 'make menuconfig' in nuttx/ in order to start the
-       reconfiguration process.
-
-  2. Unless stated otherwise, all configurations generate console
-     output on UART3 (i.e., for the Arduino serial shield).
-
-  3. All of these configurations are set up to build under Windows using the
-     "GNU Tools for ARM Embedded Processors" that is maintained by ARM
-     (unless stated otherwise in the description of the configuration).
-
-       https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
-
-     That toolchain selection can easily be reconfigured using
-     'make menuconfig'.  Here are the relevant current settings:
-
-     Build Setup:
-       CONFIG_HOST_WINDOWS=y               : Window environment
-       CONFIG_WINDOWS_CYGWIN=y             : Cywin under Windows
-
-     System Type -> Toolchain:
-       CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : GNU ARM EABI toolchain
-
-Configuration sub-directories
------------------------------
-
-  can:
-
-    This is an nsh configuration (see below) with added support of CAN driver.
-    FlexCAN3 is chosen as default, the change can be made at System type peripheral
-    selection. Please note that only FlexCAN3 and FlexCAN2 is available on this board.
-
-    Bitrate and sample point can be also changed at System type peripheral selection,
-    basic values are 1 MHz for bitrate and 0.80 for sample point. The FlexCAN driver
-    for imxrt runs at 80 MHz clock frequency.
-
-    The configuration also includes CAN utilities as candump and cansend.
-
-  canfd:
-
-    This is an nsh configuration (see below) with added support of CAN_FD driver.
-    FlexCAN3 is chosen as default, please note that only FlexCAN3 is capable of
-    providing CAN_FD support.
-
-    Bitrate and sample point can be also changed at System type peripheral selection,
-    basic values are 1 MHz for bitrate and 0.80 for sample point for arbitration phase
-    and 4 MHz (bitrate) and 0.90 (sample point) for data phase. The FlexCAN driver
-    for imxrt runs at 80 MHz clock frequency.
-
-    The configuration also includes CAN utilities as candump and cansend.
-
-  knsh:
-
-    This is identical to the nsh configuration below except that NuttX
-    is built as a protected mode, monolithic module and the user applications
-    are built separately.  It is recommends to use a special make command;
-    not just 'make' but make with the following two arguments:
-
-        make pass1 pass2
-
-    In the normal case (just 'make'), make will attempt to build both user-
-    and kernel-mode blobs more or less interleaved.  This actual works!
-    However, for me it is very confusing so I prefer the above make command:
-    Make the user-space binaries first (pass1), then make the kernel-space
-    binaries (pass2)
-
-    NOTES:
-
-    1. At the end of the build, there will be several files in the top-level
-       NuttX build directory:
-
-       PASS1:
-         nuttx_user.elf    - The pass1 user-space ELF file
-         nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
-         User.map          - Symbols in the user-space ELF file
-
-       PASS2:
-         nuttx             - The pass2 kernel-space ELF file
-         nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
-         System.map        - Symbols in the kernel-space ELF file
-
-       The J-Link programmer will except files in .hex, .mot, .srec, and .bin
-       formats.
-
-    2. Combining .hex files.  If you plan to use the .hex files with your
-       debugger or FLASH utility, then you may need to combine the two hex
-       files into a single .hex file.  Here is how you can do that.
-
-       a. The 'tail' of the nuttx.hex file should look something like this
-          (with my comments added beginning with #):
-
-            $ tail nuttx.hex
-            #xx xxxx 00 data records
-            ...
-            :10 C93C 00 000000000040184000C2010000000000 90
-            :10 C94C 00 2400080000801B4000C01B4000001C40 5D
-            :10 C95C 00 00401C4000000C4050BF0060FF000100 74
-            #xx xxxx 05 Start Linear Address Record
-            :04 0000 05 6000 02C1 D4
-            #xx xxxx 01 End Of File record
-            :00 0000 01 FF
-
-          Use an editor such as vi to remove the 05 and 01 records.
-
-       b. The 'head' of the nuttx_user.hex file should look something like
-          this (again with my comments added beginning with #):
-
-            $ head nuttx_user.hex
-            #xx xxxx 04 Extended Linear Address Record
-            :02 0000 04 6020 7A
-            #xx xxxx 00 data records
-            :10 0000 00 8905206030002060F2622060FC622060 80
-            :10 0010 00 0000242008002420080024205C012420 63
-            :10 0020 00 140024203D0020603100206071052060 14
-            ...
-
-          Nothing needs to be done here.  The nuttx_user.hex file should
-          be fine.
-
-       c. Combine the edited nuttx.hex and un-edited nuttx_user.hex
-          file to produce a single combined hex file:
-
-          $ cat nuttx.hex nuttx_user.hex >combined.hex
-
-       Then use the combined.hex file with the to write the FLASH image.
-       If you do this a lot, you will probably want to invest a little time
-       to develop a tool to automate these steps.
-
-    STATUS:  This configuration was added on 8 June 2018 primarily to assure
-    that all of the components are in place to support the PROTECTED mode
-    build.  This configuration, however, has not been verified as of this
-    writing.
-
-  netnsh:
-
-    This configuration is similar to the nsh configuration except that is
-    has networking enabled, both IPv4 and IPv6.  This NSH configuration is
-    focused on network-related testing.
-
-    NOTES:
-
-    1. LED support is disabled because there is a conflict between the LED
-       GPIO and PHY pin usage.
-
-    2. Telnet is enabled.  But since both IPv4 and IPv6 are enabled, it
-       will default to IPv6.  That means that to connect a Telnet session
-       from a PC, you will need to use the IPv6 address which by defaault
-       is:
-
-         telnet fc00::2
-
-       Or, disable IPv4 support so that only IPv4 addressing is used.
-
-    3. The network monitor is not enabled in this configuration.  As a
-       result, the Ethernet cable must be connected when the board is
-       powered up.  Otherwise, it will stall for a long period of time
-       before the NSH prompt appears and you will not be able to used
-       the board.
-
-       The following configuration options should be added to your
-       configuration in order to use the network monitor:
-
-         CONFIG_IMXRT_ENET_PHYINIT=y
-         CONFIG_IMXRT_GPIO1_0_15_IRQ=y
-         CONFIG_IMXRT_GPIO_IRQ=y
-         CONFIG_NETDEV_IOCTL=y
-         CONFIG_NETDEV_PHY_IOCTL=y
-         CONFIG_NSH_NETINIT_MONITOR=y
-         CONFIG_NSH_NETINIT_RETRYMSEC=2000
-         CONFIG_NSH_NETINIT_SIGNO=18
-         CONFIG_NSH_NETINIT_THREAD=y
-         CONFIG_NSH_NETINIT_THREAD_PRIORITY=80
-         CONFIG_NSH_NETINIT_THREAD_STACKSIZE=1568
-
-  nsh:
-
-    Configures the NuttShell (nsh) located at examples/nsh.  This NSH
-    configuration is focused on low level, command-line driver testing.
-    Built-in applications are supported, but none are enabled.  This
-    configuration does not support a network.
-
-  lvgl:
-
-    Configures the Littlev graphic library (lvgl) demo located under
-    examples/lvgldemo. This configuration needs the optional LCD model
-    RK043FN02H-CT from NXP. The LCD panel comes with the integrated
-    capacitive touchscreen sensor FT5336GQQ connected to the LPI2C1 bus,
-    address 0x38. NuttX support such touchscreen device via the driver
-    ft5x06 (drivers/input/ft5x06.c). At the moment only the polling
-    method is available, the board features an interrupt line connected
-    to the touchscreen sensor IC.
-
-    IMXRT1062 MCU provides the integrated LCD driver.
-
-    The LCD panel features:
-    - size 4.3"
-    - resolution 480×272 RGB
-    - backlight driver
-    - dimensions [mm]: 105.5 (W) x 67.2(H) x 4.35(D) Max.
-
-    To run the lvgl demo please type "lvgldemo" at nsh prompt:
-
-    nsh> lvgldemo
diff --git a/boards/arm/imxrt/imxrt1064-evk/README.txt b/boards/arm/imxrt/imxrt1064-evk/README.txt
deleted file mode 100644
index 0947793..0000000
--- a/boards/arm/imxrt/imxrt1064-evk/README.txt
+++ /dev/null
@@ -1,363 +0,0 @@
-README
-======
-
-  This README file provides information about the port of NuttX to the NXP
-  i.MXRT evaluation kit, MIMXRT1064-EVK.  This board features the
-  MIMXRT1064DVL6A MCU.  Some of the features of this board include:
-
-    o Processor
-
-      - MIMXRT1066DVL6A processor
-
-    o Memory
-
-      - 1 Mb OCRAM memory
-      - 256 Mb SDRAM memory
-      - 512 Mb Hyper Flash - Populated but 0 ohm DNP
-      - 64 Mb QSPI Flash
-      - TF socket for SD card
-
-    o Display and Audio
-
-      - Parallel LCD connector
-      - Camera connector
-      - Audio CODEC
-      - 4-pole audio headphone jack
-      - External speaker connection
-      - Microphone
-      - SPDIF connector
-
-    o Connectivity
-
-      - Micro USB host and OTG connectors
-      - Ethernet (10/100T) connector
-      - CAN transceivers
-      - Arduino® interface
-
-    o Sensors
-
-      - FXOS8700CQ 6-Axis Ecompass (3-Axis Mag, 3-Axis Accel)
-
-Contents
-========
-
-  o Serial Console
-  o LEDs and buttons
-  o J-Link External Debug Probe
-  o Configurations
-    - Configuration sub-directories
-
-Serial Console
-==============
-
-  Virtual console port provided by OpenSDA:
-
-           UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
-           UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
-
-  Arduino RS-232 Shield:
-
-    J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
-    J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
-
-LEDs and buttons
-================
-
-  LEDs
-  ----
-
-  There are four LED status indicators located on the EVK Board.  The
-  functions of these LEDs include:
-
-    - Main Power Supply(D3)
-      Green: DC 5V main supply is normal.
-      Red:   J2 input voltage is over 5.6V.
-      Off:   The board is not powered.
-    - Reset RED LED(D21)
-    - OpenSDA LED(D20)
-    - USER LED(D18)
-
-  Only a single LED, D18, is under software control.  It connects to
-  GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
-
-  This LED is not used by the board port unless CONFIG_ARCH_LEDS is
-  defined.  In that case, the usage by the board port is defined in
-  include/board.h and src/imxrt_autoleds.c. The LED is used to encode
-  OS-related events as follows:
-
-    ------------------- ----------------------- ------
-    SYMBOL              Meaning                 LED
-    ------------------- ----------------------- ------
-    LED_STARTED         NuttX has been started  OFF
-    LED_HEAPALLOCATE    Heap has been allocated OFF
-    LED_IRQSENABLED     Interrupts enabled      OFF
-    LED_STACKCREATED    Idle stack created      ON
-    LED_INIRQ           In an interrupt         N/C
-    LED_SIGNAL          In a signal handler     N/C
-    LED_ASSERTION       An assertion failed     N/C
-    LED_PANIC           The system has crashed  FLASH
-
-  Thus if the LED is statically on, NuttX has successfully  booted and is,
-  apparently, running normally.  If the LED is flashing at approximately
-  2Hz, then a fatal error has been detected and the system has halted.
-
-  Buttons
-  -------
-
-  There are four user interface switches on the MIMXRT1050 EVK Board:
-
-    - SW1: Power Switch (slide switch fir power from J2)
-    - SW2: ON/OFF Button
-    - SW3: Power-on Reset button state forces to reset the system power except
-           SNVS domain
-    - SW9: Reset button
-    - SW8: User button GPIO5-00
-
-  Only the user button is available to the software.  It is sensed on the
-  WAKEUP pin which will be pulled low when the button is pressed.
-
-
-J-Link External Debug Probe
-===========================
-
-  Install the J-Link Debug Host Tools and make sure they are in your search path.
-
-  Attach a J-Link 20-pin connector to J21. Check that jumpers J47 and J48 are
-  off (they are on by default when boards ship from the factory) to ensure SWD
-  signals are disconnected from the OpenSDA microcontroller.
-
-Configurations
-==============
-
-  Information Common to All Configurations
-  ----------------------------------------
-  Each i.MX RT 1064 configuration is maintained in a sub-directory and
-  can be selected as follow:
-
-    tools/configure.sh [OPTIONS] imxrt1064-evk:<subdir>
-
-  Where typical options are -l to configure to build on Linux or -c to
-  configure for Cygwin under Linux.  'tools/configure.sh -h' will show
-  you all of the options.
-
-  Before building, make sure the PATH environment variable include the
-  correct path to the directory than holds your toolchain binaries.
-
-  And then build NuttX by simply typing the following.  At the conclusion of
-  the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
-
-    make
-
-  The <subdir> that is provided above as an argument to the tools/configure.sh
-  must be is one of the following.
-
-  NOTES:
-
-  1. These configurations use the mconf-based configuration tool.  To
-    change any of these configurations using that tool, you should:
-
-    a. Build and install the kconfig-mconf tool.  See nuttx/README.txt
-       see additional README.txt files in the NuttX tools repository.
-
-    b. Execute 'make menuconfig' in nuttx/ in order to start the
-       reconfiguration process.
-
-  2. Unless stated otherwise, all configurations generate console
-     output on UART3 (i.e., for the Arduino serial shield).
-
-  3. All of these configurations are set up to build under Windows using the
-     "GNU Tools for ARM Embedded Processors" that is maintained by ARM
-     (unless stated otherwise in the description of the configuration).
-
-       https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
-
-     That toolchain selection can easily be reconfigured using
-     'make menuconfig'.  Here are the relevant current settings:
-
-     Build Setup:
-       CONFIG_HOST_WINDOWS=y               : Window environment
-       CONFIG_WINDOWS_CYGWIN=y             : Cywin under Windows
-
-     System Type -> Toolchain:
-       CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW=y : GNU ARM EABI toolchain
-
-Configuration sub-directories
------------------------------
-
-  can:
-
-    This is an nsh configuration (see below) with added support of CAN driver.
-    FlexCAN3 is chosen as default, the change can be made at System type peripheral
-    selection. Please note that only FlexCAN3 and FlexCAN2 is available on this board.
-
-    Bitrate and sample point can be also changed at System type peripheral selection,
-    basic values are 1 MHz for bitrate and 0.80 for sample point. The FlexCAN driver
-    for imxrt runs at 80 MHz clock frequency.
-
-    The configuration also includes CAN utilities as candump and cansend.
-
-  canfd:
-
-    This is an nsh configuration (see below) with added support of CAN_FD driver.
-    FlexCAN3 is chosen as default, please note that only FlexCAN3 is capable of
-    providing CAN_FD support.
-
-    Bitrate and sample point can be also changed at System type peripheral selection,
-    basic values are 1 MHz for bitrate and 0.80 for sample point for arbitration phase
-    and 4 MHz (bitrate) and 0.90 (sample point) for data phase. The FlexCAN driver
-    for imxrt runs at 80 MHz clock frequency.
-
-    The configuration also includes CAN utilities as candump and cansend.
-
-  knsh:
-
-    This is identical to the nsh configuration below except that NuttX
-    is built as a protected mode, monolithic module and the user applications
-    are built separately.  It is recommends to use a special make command;
-    not just 'make' but make with the following two arguments:
-
-        make pass1 pass2
-
-    In the normal case (just 'make'), make will attempt to build both user-
-    and kernel-mode blobs more or less interleaved.  This actual works!
-    However, for me it is very confusing so I prefer the above make command:
-    Make the user-space binaries first (pass1), then make the kernel-space
-    binaries (pass2)
-
-    NOTES:
-
-    1. At the end of the build, there will be several files in the top-level
-       NuttX build directory:
-
-       PASS1:
-         nuttx_user.elf    - The pass1 user-space ELF file
-         nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
-         User.map          - Symbols in the user-space ELF file
-
-       PASS2:
-         nuttx             - The pass2 kernel-space ELF file
-         nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
-         System.map        - Symbols in the kernel-space ELF file
-
-       The J-Link programmer will except files in .hex, .mot, .srec, and .bin
-       formats.
-
-    2. Combining .hex files.  If you plan to use the .hex files with your
-       debugger or FLASH utility, then you may need to combine the two hex
-       files into a single .hex file.  Here is how you can do that.
-
-       a. The 'tail' of the nuttx.hex file should look something like this
-          (with my comments added beginning with #):
-
-            $ tail nuttx.hex
-            #xx xxxx 00 data records
-            ...
-            :10 C93C 00 000000000040184000C2010000000000 90
-            :10 C94C 00 2400080000801B4000C01B4000001C40 5D
-            :10 C95C 00 00401C4000000C4050BF0060FF000100 74
-            #xx xxxx 05 Start Linear Address Record
-            :04 0000 05 6000 02C1 D4
-            #xx xxxx 01 End Of File record
-            :00 0000 01 FF
-
-          Use an editor such as vi to remove the 05 and 01 records.
-
-       b. The 'head' of the nuttx_user.hex file should look something like
-          this (again with my comments added beginning with #):
-
-            $ head nuttx_user.hex
-            #xx xxxx 04 Extended Linear Address Record
-            :02 0000 04 6020 7A
-            #xx xxxx 00 data records
-            :10 0000 00 8905206030002060F2622060FC622060 80
-            :10 0010 00 0000242008002420080024205C012420 63
-            :10 0020 00 140024203D0020603100206071052060 14
-            ...
-
-          Nothing needs to be done here.  The nuttx_user.hex file should
-          be fine.
-
-       c. Combine the edited nuttx.hex and un-edited nuttx_user.hex
-          file to produce a single combined hex file:
-
-          $ cat nuttx.hex nuttx_user.hex >combined.hex
-
-       Then use the combined.hex file with the to write the FLASH image.
-       If you do this a lot, you will probably want to invest a little time
-       to develop a tool to automate these steps.
-
-    STATUS:  This configuration was added on 8 June 2018 primarily to assure
-    that all of the components are in place to support the PROTECTED mode
-    build.  This configuration, however, has not been verified as of this
-    writing.
-
-  netnsh:
-
-    This configuration is similar to the nsh configuration except that is
-    has networking enabled, both IPv4 and IPv6.  This NSH configuration is
-    focused on network-related testing.
-
-    NOTES:
-
-    1. LED support is disabled because there is a conflict between the LED
-       GPIO and PHY pin usage.
-
-    2. Telnet is enabled.  But since both IPv4 and IPv6 are enabled, it
-       will default to IPv6.  That means that to connect a Telnet session
-       from a PC, you will need to use the IPv6 address which by defaault
-       is:
-
-         telnet fc00::2
-
-       Or, disable IPv4 support so that only IPv4 addressing is used.
-
-    3. The network monitor is not enabled in this configuration.  As a
-       result, the Ethernet cable must be connected when the board is
-       powered up.  Otherwise, it will stall for a long period of time
-       before the NSH prompt appears and you will not be able to used
-       the board.
-
-       The following configuration options should be added to your
-       configuration in order to use the network monitor:
-
-         CONFIG_IMXRT_ENET_PHYINIT=y
-         CONFIG_IMXRT_GPIO1_0_15_IRQ=y
-         CONFIG_IMXRT_GPIO_IRQ=y
-         CONFIG_NETDEV_IOCTL=y
-         CONFIG_NETDEV_PHY_IOCTL=y
-         CONFIG_NSH_NETINIT_MONITOR=y
-         CONFIG_NSH_NETINIT_RETRYMSEC=2000
-         CONFIG_NSH_NETINIT_SIGNO=18
-         CONFIG_NSH_NETINIT_THREAD=y
-         CONFIG_NSH_NETINIT_THREAD_PRIORITY=80
-         CONFIG_NSH_NETINIT_THREAD_STACKSIZE=1568
-
-  nsh:
-
-    Configures the NuttShell (nsh) located at examples/nsh.  This NSH
-    configuration is focused on low level, command-line driver testing.
-    Built-in applications are supported, but none are enabled.  This
-    configuration does not support a network.
-
-  lvgl:
-
-    Configures the Littlev graphic library (lvgl) demo located under
-    examples/lvgldemo. This configuration needs the optional LCD model
-    RK043FN02H-CT from NXP. The LCD panel comes with the integrated
-    capacitive touchscreen sensor FT5336GQQ connected to the LPI2C1 bus,
-    address 0x38. NuttX support such touchscreen device via the driver
-    ft5x06 (drivers/input/ft5x06.c). At the moment only the polling
-    method is available, the board features an interrupt line connected
-    to the touchscreen sensor IC.
-
-    IMXRT1062 MCU provides the integrated LCD driver.
-
-    The LCD panel features:
-    - size 4.3"
-    - resolution 480×272 RGB
-    - backlight driver
-    - dimensions [mm]: 105.5 (W) x 67.2(H) x 4.35(D) Max.
-
-    To run the lvgl demo please type "lvgldemo" at nsh prompt:
-
-    nsh> lvgldemo

[incubator-nuttx] 02/02: Documentation/platforms: fix docs style and add photo for imxrt1060-evk board

Posted by pr...@apache.org.
This is an automated email from the ASF dual-hosted git repository.

protobits pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit d6227623b78ea213a8627edbbdbcfebc357b12ea
Author: Michal Lenc <mi...@seznam.cz>
AuthorDate: Thu Apr 29 17:41:11 2021 +0200

    Documentation/platforms: fix docs style and add photo for imxrt1060-evk board
    
    Signed-off-by: Michal Lenc <mi...@seznam.cz>
---
 .../arm/imxrt/boards/imxrt1020-evk/index.rst       |  20 ++--
 .../arm/imxrt/boards/imxrt1050-evk/index.rst       | 125 ++++---------------
 .../boards/imxrt1060-evk/imxrt1060-evk-front.jpg   | Bin 0 -> 109235 bytes
 .../arm/imxrt/boards/imxrt1060-evk/index.rst       | 132 +++++----------------
 .../arm/imxrt/boards/imxrt1064-evk/index.rst       |  39 +++---
 5 files changed, 88 insertions(+), 228 deletions(-)

diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst
index 67e53f4..922e062 100644
--- a/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1020-evk/index.rst
@@ -3,7 +3,7 @@ i.MX RT1020 EVK
 ===============
 
 `i.MX RT1020 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/i-mx-rt1020-evaluation-kit:MIMXRT1020-EVK>`_
-is an evaluation kit by NXP company. This kit uses the i.MX RT1020 crossover MCU in LQFP144 package with Arm Cortex M7 core.
+is an evaluation kit by NXP company. This kit uses the i.MX RT1020 crossover MCU in LQFP144 package with ARM Cortex M7 core.
 
 Features
 ========
@@ -42,9 +42,13 @@ LEDs
 There is one user accessible LED status indicator located on the 1020-EVK,
 USERLED.  The function of the LEDs include:
 
-- D3: Power (Green) & Overpower (Red)
-- D5: User LED (Green) GPIO_AD_B0_05
-- D15: RST LED (Red)
+=== ============ ======
+Pin Description  Colour
+=== ============ ======
+D3  Power Supply Green
+D5  User LED     Green
+D15 Reset LED    Red
+=== ============ ======
 
 This LED is not used by the board port unless CONFIG_ARCH_LEDS is
 defined.  In that case, the usage by the board port is defined in
@@ -74,9 +78,11 @@ Buttons
 
 This IMXRT board has three external buttons
 
-- SW2 (IRQ88, ONOFF)  Not on a GPIO, No muxing
-- SW3 (IRQ88, POR)    Not on a GPIO, No muxing
-- SW4 (IRQ88, USER)   Wakeup, GPIO5-0
+=== ==============  ========================
+SW2 (IRQ88, ONOFF)  Not on a GPIO, No muxing
+SW3 (IRQ88, POR)    Not on a GPIO, No muxing
+SW4 (IRQ88, USER)   Wakeup, GPIO5-0
+=== ==============  ========================
 
 Configurations
 ==============
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst
index 1bbc7dc..ad90ec8 100644
--- a/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1050-evk/index.rst
@@ -3,7 +3,7 @@ i.MX RT1050 EVK
 ===============
 
 `i.MX RT1050 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/i-mx-rt1050-evaluation-kit:MIMXRT1050-EVK>`_
-is an evaluation kit by NXP company. This kit uses the i.MX RT1050 crossover MCU with Arm Cortex M7 core.
+is an evaluation kit by NXP company. This kit uses the i.MX RT1050 crossover MCU with ARM Cortex M7 core.
 
 Features
 ========
@@ -34,13 +34,17 @@ Serial Console
 
 Virtual console port provided by OpenSDA:
 
-- UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
-- UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
+========= ============= ==========
+UART1_TXD GPIO_AD_B0_12 LPUART1_TX
+UART1_RXD GPIO_AD_B0_13 LPUART1_RX
+========= ============= ==========
 
 Arduino RS-232 Shield:
 
-- J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
-- J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
+=== == ======= ============= ==========
+J22 D0 UART_RX GPIO_AD_B1_07 LPUART3_RX
+J22 D1 UART_TX GPIO_AD_B1_06 LPUART3_TX
+=== == ======= ============= ==========
 
 LEDs and buttons
 ================
@@ -51,13 +55,14 @@ LEDs
 There are four LED status indicators located on the EVK Board.  The
 functions of these LEDs include:
 
-- Main Power Supply(D3)
-    - Green: DC 5V main supply is normal.
-    - Red:   J2 input voltage is over 5.6V.
-    - Off:   The board is not powered.
-- Reset RED LED(D15)
-- OpenSDA LED(D16)
-- USER LED(D18)
+=== ============
+Pin Description
+=== ============
+D3  Power Supply
+D15 Reset LED
+D16 OpenSDA
+D18 User LED
+=== ============
 
 Only a single LED, D18, is under software control.  It connects to
 GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
@@ -89,10 +94,10 @@ Buttons
 
 There are four user interface switches on the MIMXRT1050 EVK Board:
 
-- SW1: Power Switch (slide switch)
-- SW2: ON/OFF Button
-- SW3: Reset button
-- SW8: User button
+  - SW1: Power Switch (slide switch)
+  - SW2: ON/OFF Button
+  - SW3: Reset button
+  - SW8: User button
 
 Only the user button is available to the software.  It is sensed on the
 WAKEUP pin which will be pulled low when the button is pressed.
@@ -105,92 +110,8 @@ knsh
 
 This is identical to the nsh configuration below except that NuttX
 is built as a protected mode, monolithic module and the user applications
-are built separately.  It is recommends to use a special make command;
-not just 'make' but make with the following two arguments:
-
-.. code-block:: console
-
-    $ make pass1 pass2
-
-In the normal case (just 'make'), make will attempt to build both user-
-and kernel-mode blobs more or less interleaved.  This actual works!
-However, for me it is very confusing so I prefer the above make command:
-Make the user-space binaries first (pass1), then make the kernel-space
-binaries (pass2)
-
-NOTES:
-
-At the end of the build, there will be several files in the top-level
-NuttX build directory:
-
-PASS1:
-  - nuttx_user.elf    - The pass1 user-space ELF file
-  - nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
-  - User.map          - Symbols in the user-space ELF file
-
-PASS2:
-  - nuttx             - The pass2 kernel-space ELF file
-  - nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
-  - System.map        - Symbols in the kernel-space ELF file
-
-The J-Link programmer will except files in .hex, .mot, .srec, and .bin
-formats.
-
-Combining .hex files.  If you plan to use the .hex files with your
-debugger or FLASH utility, then you may need to combine the two hex
-files into a single .hex file.  Here is how you can do that.
-
-The 'tail' of the nuttx.hex file should look something like this
-(with my comments added beginning with #):
-
-.. code-block:: console::
-
-  $ tail nuttx.hex
-  #xx xxxx 00 data records
-  ...
-  :10 C93C 00 000000000040184000C2010000000000 90
-  :10 C94C 00 2400080000801B4000C01B4000001C40 5D
-  :10 C95C 00 00401C4000000C4050BF0060FF000100 74
-  #xx xxxx 05 Start Linear Address Record
-  :04 0000 05 6000 02C1 D4
-  #xx xxxx 01 End Of File record
-  :00 0000 01 FF
-
-Use an editor such as vi to remove the 05 and 01 records.
-
-The 'head' of the nuttx_user.hex file should look something like
-this (again with my comments added beginning with #):
-
-.. code-block:: console::
-
-  $ head nuttx_user.hex
-  #xx xxxx 04 Extended Linear Address Record
-  :02 0000 04 6020 7A
-  #xx xxxx 00 data records
-  :10 0000 00 8905206030002060F2622060FC622060 80
-  :10 0010 00 0000242008002420080024205C012420 63
-  :10 0020 00 140024203D0020603100206071052060 14
-  ...
-
-Nothing needs to be done here.  The nuttx_user.hex file should
-be fine.
-
-Combine the edited nuttx.hex and un-edited nuttx_user.hex
-file to produce a single combined hex file:
-
-.. code-block:: console::
-
-  $ cat nuttx.hex nuttx_user.hex >combined.hex
-
-Then use the combined.hex file with the to write the FLASH image.
-If you do this a lot, you will probably want to invest a little time
-to develop a tool to automate these steps.
-
-STATUS:  This configuration was added on 8 June 2018 primarily to assure
-that all of the components are in place to support the PROTECTED mode
-build.  This configuration, however, has not been verified as of this
-writing.
-
+are built separately. For further information about compiling and
+running this configuration please refer to imxrt1064-evk documentation.
 
 netnsh
 ------
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/imxrt1060-evk-front.jpg b/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/imxrt1060-evk-front.jpg
new file mode 100644
index 0000000..b0335a3
Binary files /dev/null and b/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/imxrt1060-evk-front.jpg differ
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst
index 0d7e7d3..8ee9eee 100644
--- a/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1060-evk/index.rst
@@ -3,7 +3,13 @@ i.MX RT1060 EVK
 ===============
 
 `i.MX RT1060 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/mimxrt1060-evk-i-mx-rt1060-evaluation-kit:MIMXRT1060-EVK>`_
-is an evaluation kit by NXP company. This kit uses the i.MX RT1060 crossover MCU with Arm Cortex M7 core.
+is an evaluation kit by NXP company. This kit uses the i.MX RT1060 crossover MCU with ARM Cortex M7 core.
+
+.. figure:: imxrt1060-evk-front.jpg
+   :align: center
+   :width: 50%
+
+   i.MX RT1060 EVK
 
 Features
 ========
@@ -37,13 +43,17 @@ Serial Console
 
 Virtual console port provided by OpenSDA:
 
-- UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
-- UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
+========= ============= ==========
+UART1_TXD GPIO_AD_B0_12 LPUART1_TX
+UART1_RXD GPIO_AD_B0_13 LPUART1_RX
+========= ============= ==========
 
 Arduino RS-232 Shield:
 
-- J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
-- J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
+=== == ======= ============= ==========
+J22 D0 UART_RX GPIO_AD_B1_07 LPUART3_RX
+J22 D1 UART_TX GPIO_AD_B1_06 LPUART3_TX
+=== == ======= ============= ==========
 
 LEDs and buttons
 ================
@@ -54,13 +64,14 @@ LEDs
 There are four LED status indicators located on the EVK Board.  The
 functions of these LEDs include:
 
-- Main Power Supply(D3)
-    - Green: DC 5V main supply is normal.
-    - Red:   J2 input voltage is over 5.6V.
-    - Off:   The board is not powered.
-- Reset RED LED(D21)
-- OpenSDA LED(D20)
-- USER LED(D18)
+=== ============
+Pin Description
+=== ============
+D3  Power Supply
+D18 User LED
+D20 OpenSDA
+D21 Reset LED
+=== ============
 
 Only a single LED, D18, is under software control.  It connects to
 GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
@@ -92,11 +103,11 @@ Buttons
 
 There are five user interface switches on the MIMXRT1050 EVK Board:
 
-- SW1: Power Switch (slide switch fir power from J2)
-- SW2: ON/OFF Button
-- SW3: Power-on Reset button state forces to reset the system power except SNVS domain
-- SW9: Reset button
-- SW8: User button GPIO5-00
+  - SW1: Power Switch (slide switch fir power from J2)
+  - SW2: ON/OFF Button
+  - SW3: Power-on Reset button state forces to reset the system power except SNVS domain
+  - SW9: Reset button
+  - SW8: User button GPIO5-00
 
 Only the user button is available to the software.  It is sensed on the
 WAKEUP pin which will be pulled low when the button is pressed.
@@ -146,91 +157,8 @@ knsh
 
 This is identical to the nsh configuration below except that NuttX
 is built as a protected mode, monolithic module and the user applications
-are built separately.  It is recommends to use a special make command;
-not just 'make' but make with the following two arguments:
-
-.. code-block:: console
-
-    $ make pass1 pass2
-
-In the normal case (just 'make'), make will attempt to build both user-
-and kernel-mode blobs more or less interleaved.  This actual works!
-However, for me it is very confusing so I prefer the above make command:
-Make the user-space binaries first (pass1), then make the kernel-space
-binaries (pass2)
-
-NOTES:
-
-At the end of the build, there will be several files in the top-level
-NuttX build directory:
-
-PASS1:
-  - nuttx_user.elf    - The pass1 user-space ELF file
-  - nuttx_user.hex    - The pass1 Intel HEX format file (selected in defconfig)
-  - User.map          - Symbols in the user-space ELF file
-
-PASS2:
-  - nuttx             - The pass2 kernel-space ELF file
-  - nuttx.hex         - The pass2 Intel HEX file (selected in defconfig)
-  - System.map        - Symbols in the kernel-space ELF file
-
-The J-Link programmer will except files in .hex, .mot, .srec, and .bin
-formats.
-
-Combining .hex files.  If you plan to use the .hex files with your
-debugger or FLASH utility, then you may need to combine the two hex
-files into a single .hex file.  Here is how you can do that.
-
-The 'tail' of the nuttx.hex file should look something like this
-(with my comments added beginning with #):
-
-.. code-block:: console::
-
-  $ tail nuttx.hex
-  #xx xxxx 00 data records
-  ...
-  :10 C93C 00 000000000040184000C2010000000000 90
-  :10 C94C 00 2400080000801B4000C01B4000001C40 5D
-  :10 C95C 00 00401C4000000C4050BF0060FF000100 74
-  #xx xxxx 05 Start Linear Address Record
-  :04 0000 05 6000 02C1 D4
-  #xx xxxx 01 End Of File record
-  :00 0000 01 FF
-
-Use an editor such as vi to remove the 05 and 01 records.
-
-The 'head' of the nuttx_user.hex file should look something like
-this (again with my comments added beginning with #):
-
-.. code-block:: console::
-
-  $ head nuttx_user.hex
-  #xx xxxx 04 Extended Linear Address Record
-  :02 0000 04 6020 7A
-  #xx xxxx 00 data records
-  :10 0000 00 8905206030002060F2622060FC622060 80
-  :10 0010 00 0000242008002420080024205C012420 63
-  :10 0020 00 140024203D0020603100206071052060 14
-  ...
-
-Nothing needs to be done here.  The nuttx_user.hex file should
-be fine.
-
-Combine the edited nuttx.hex and un-edited nuttx_user.hex
-file to produce a single combined hex file:
-
-.. code-block:: console::
-
-  $ cat nuttx.hex nuttx_user.hex >combined.hex
-
-Then use the combined.hex file with the to write the FLASH image.
-If you do this a lot, you will probably want to invest a little time
-to develop a tool to automate these steps.
-
-STATUS:  This configuration was added on 8 June 2018 primarily to assure
-that all of the components are in place to support the PROTECTED mode
-build.  This configuration, however, has not been verified as of this
-writing.
+are built separately. For further information about compiling and
+running this configuration please refer to imxrt1064-evk documentation.
 
 netnsh
 ------
diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst
index 17613f6..34aaa7c 100644
--- a/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst
+++ b/Documentation/platforms/arm/imxrt/boards/imxrt1064-evk/index.rst
@@ -3,7 +3,7 @@ i.MX RT1064 EVK
 ===============
 
 `i.MX RT1064 EVK <https://www.nxp.com/design/development-boards/i-mx-evaluation-and-development-boards/mimxrt1064-evk-i-mx-rt1064-evaluation-kit:MIMXRT1064-EVK>`_
-is an evaluation kit by NXP company. This kit uses the i.MX RT1064 crossover MCU with Arm Cortex M7 core.
+is an evaluation kit by NXP company. This kit uses the i.MX RT1064 crossover MCU with ARM Cortex M7 core.
 
 Features
 ========
@@ -37,13 +37,17 @@ Serial Console
 
 Virtual console port provided by OpenSDA:
 
-- UART1_TXD   GPIO_AD_B0_12  LPUART1_TX
-- UART1_RXD   GPIO_AD_B0_13  LPUART1_RX
+========= ============= ==========
+UART1_TXD GPIO_AD_B0_12 LPUART1_TX
+UART1_RXD GPIO_AD_B0_13 LPUART1_RX
+========= ============= ==========
 
 Arduino RS-232 Shield:
 
-- J22 D0 UART_RX/D0  GPIO_AD_B1_07  LPUART3_RX
-- J22 D1 UART_TX/D1  GPIO_AD_B1_06  LPUART3_TX
+=== == ======= ============= ==========
+J22 D0 UART_RX GPIO_AD_B1_07 LPUART3_RX
+J22 D1 UART_TX GPIO_AD_B1_06 LPUART3_TX
+=== == ======= ============= ==========
 
 LEDs and buttons
 ================
@@ -54,13 +58,14 @@ LEDs
 There are four LED status indicators located on the EVK Board.  The
 functions of these LEDs include:
 
-- Main Power Supply(D3)
-    - Green: DC 5V main supply is normal.
-    - Red:   J2 input voltage is over 5.6V.
-    - Off:   The board is not powered.
-- Reset RED LED(D21)
-- OpenSDA LED(D20)
-- USER LED(D18)
+=== ============
+Pin Description
+=== ============
+D3  Power Supply
+D18 User LED
+D20 OpenSDA
+D21 Reset LED
+=== ============
 
 Only a single LED, D18, is under software control.  It connects to
 GPIO_AD_B0_09 which is shared with JTAG_TDI and ENET_RST
@@ -92,11 +97,11 @@ Buttons
 
 There are five user interface switches on the MIMXRT1050 EVK Board:
 
-- SW1: Power Switch (slide switch fir power from J2)
-- SW2: ON/OFF Button
-- SW3: Power-on Reset button state forces to reset the system power except SNVS domain
-- SW9: Reset button
-- SW8: User button GPIO5-00
+  - SW1: Power Switch (slide switch fir power from J2)
+  - SW2: ON/OFF Button
+  - SW3: Power-on Reset button state forces to reset the system power except SNVS domain
+  - SW9: Reset button
+  - SW8: User button GPIO5-00
 
 Only the user button is available to the software.  It is sensed on the
 WAKEUP pin which will be pulled low when the button is pressed.