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Posted to commits@nuttx.apache.org by xi...@apache.org on 2021/09/07 05:43:02 UTC
[incubator-nuttx] branch master updated: add support for power
management ic axp202
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
The following commit(s) were added to refs/heads/master by this push:
new 3b5914f add support for power management ic axp202
3b5914f is described below
commit 3b5914f57b91e7d0ff50d15e5a53079d59535b57
Author: daviepeng <da...@tencent.com>
AuthorDate: Tue Sep 7 10:26:58 2021 +0800
add support for power management ic axp202
---
drivers/power/Kconfig | 49 +++
drivers/power/Make.defs | 6 +
drivers/power/axp202.c | 719 +++++++++++++++++++++++++++++++++++++++++++
include/nuttx/power/axp202.h | 191 ++++++++++++
4 files changed, 965 insertions(+)
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 38a1994..f71ca39 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -365,6 +365,51 @@ config BQ2429X
---help---
The BQ24296/BQ24297/BQ24296M are battery charger for lithium-ion batteries.
+config AXP202
+ bool "AXP202 Battery charger support"
+ default n
+ select I2C
+ depends on BATTERY_CHARGER
+ ---help---
+ axp202 are battery charger for lithium-ion batteries.
+
+config AXP202_DC2_VOLTAGE
+ int "AXP202 DC2 output voltage"
+ default 0
+ depends on AXP202
+ ---help---
+ AXP202 DC2 output voltage. 0 is disable, enable range: [700, 2275] mV.
+
+config AXP202_DC3_VOLTAGE
+ int "AXP202 DC3 output voltage"
+ default 3300
+ depends on AXP202
+ ---help---
+ AXP202 DC3 output voltage. 0 is disable, enable range: [700, 3500] mV.
+
+config AXP202_LDO2_VOLTAGE
+ int "AXP202 LDO2 output voltage"
+ default 0
+ depends on AXP202
+ ---help---
+ AXP202 LDO2 output voltage. 0 is disable, enable range: [1800, 3300] mV.
+
+config AXP202_LDO3_VOLTAGE
+ int "AXP202 LDO3 output voltage"
+ default 0
+ depends on AXP202
+ ---help---
+ Enable LDO3 output voltage. 0 is disable, enable range: [700, 2275] mV.
+
+config AXP202_LDO4_VOLTAGE
+ int "AXP202 LDO4 output voltage"
+ default 0
+ depends on AXP202
+ ---help---
+ Enable LDO4 output voltage. 0 is disable, other value:
+ 1250 1300 1400 1500 1600 1700 1800 1900
+ 2000 2500 2700 2800 3000 3100 3200 3300 mV.
+
config MCP73871
bool "Microchip MCP73871 Battery charger support"
default n
@@ -427,6 +472,10 @@ config I2C_BQ2429X
bool
default y if BQ2429X
+config I2C_AXP202
+ bool
+ default y if AXP202
+
config I2C_MAX1704X
bool
default y if MAX1704X
diff --git a/drivers/power/Make.defs b/drivers/power/Make.defs
index ed7698f..3f62be9 100644
--- a/drivers/power/Make.defs
+++ b/drivers/power/Make.defs
@@ -99,6 +99,12 @@ ifeq ($(CONFIG_I2C_BQ2429X),y)
CSRCS += bq2429x.c
endif
+# Add the axp202 I2C-based battery charger driver
+
+ifeq ($(CONFIG_I2C_AXP202),y)
+CSRCS += axp202.c
+endif
+
endif
# Include power support in the build
diff --git a/drivers/power/axp202.c b/drivers/power/axp202.c
new file mode 100644
index 0000000..eec8a53
--- /dev/null
+++ b/drivers/power/axp202.c
@@ -0,0 +1,719 @@
+/****************************************************************************
+ * drivers/power/axp202.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <debug.h>
+#include <assert.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/i2c/i2c_master.h>
+#include <nuttx/power/battery_charger.h>
+#include <nuttx/power/axp202.h>
+
+#if defined(CONFIG_I2C) && defined(CONFIG_I2C_AXP202)
+
+/****************************************************************************
+ * Private type
+ ****************************************************************************/
+
+struct axp202_dev_s
+{
+ /* The common part of the battery driver visible to the upper-half driver */
+
+ FAR const struct battery_charger_operations_s *ops; /* Battery operations */
+ sem_t batsem; /* Enforce mutually exclusive access */
+
+ /* Data fields specific to the lower half axp202 driver follow */
+
+ FAR struct i2c_master_s *i2c; /* I2C interface */
+ uint8_t addr; /* I2C address */
+ uint32_t frequency; /* I2C frequency */
+};
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/* I2C support */
+
+static int axp202_getreg8(FAR struct axp202_dev_s *priv, uint8_t regaddr,
+ FAR uint8_t *regval);
+static int axp202_putreg8(FAR struct axp202_dev_s *priv, uint8_t regaddr,
+ uint8_t regval);
+
+/* Battery driver lower half methods */
+
+static int axp202_state(FAR struct battery_charger_dev_s *dev,
+ FAR int * status);
+static int axp202_health(FAR struct battery_charger_dev_s *dev,
+ FAR int * health);
+static int axp202_online(FAR struct battery_charger_dev_s *dev,
+ FAR bool * status);
+static int axp202_voltage(FAR struct battery_charger_dev_s *dev, int value);
+static int axp202_current(FAR struct battery_charger_dev_s *dev, int value);
+static int axp202_input_current(FAR struct battery_charger_dev_s *dev,
+ int value);
+static int axp202_operate(FAR struct battery_charger_dev_s *dev,
+ uintptr_t param);
+
+static int axp202_set_ldo2_valtage(FAR struct axp202_dev_s *dev,
+ int voltage);
+static int axp202_set_ldo3_valtage(FAR struct axp202_dev_s *dev,
+ int voltage);
+static int axp202_set_ldo4_valtage(FAR struct axp202_dev_s *dev,
+ int voltage);
+static int axp202_set_dc2_valtage(FAR struct axp202_dev_s *dev,
+ int voltage);
+static int axp202_set_dc2_valtage(FAR struct axp202_dev_s *dev,
+ int voltage);
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static const struct battery_charger_operations_s g_axp202ops =
+{
+ axp202_state,
+ axp202_health,
+ axp202_online,
+ axp202_voltage,
+ axp202_current,
+ axp202_input_current,
+ axp202_operate
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static int axp202_getreg8(FAR struct axp202_dev_s *priv, uint8_t regaddr,
+ FAR uint8_t *regval)
+{
+ struct i2c_config_s config;
+ int ret;
+
+ /* Sanity check */
+
+ DEBUGASSERT(priv != NULL);
+ DEBUGASSERT(regval != NULL);
+
+ /* Set up the I2C configuration */
+
+ config.frequency = priv->frequency;
+ config.address = priv->addr;
+ config.addrlen = 7;
+
+ /* Write the register address */
+
+ ret = i2c_write(priv->i2c, &config, ®addr, sizeof(regaddr));
+ if (ret < 0)
+ {
+ snerr("ERROR: i2c_write failed: %d\n", ret);
+ return ret;
+ }
+
+ /* Restart and read 8 bits from the register */
+
+ ret = i2c_read(priv->i2c, &config, regval, sizeof(*regval));
+ if (ret < 0)
+ {
+ snerr("ERROR: i2c_read failed: %d\n", ret);
+ return ret;
+ }
+
+ sninfo("addr: %02x value: %02x\n", regaddr, *regval);
+
+ return OK;
+}
+
+static int axp202_putreg8(FAR struct axp202_dev_s *priv, uint8_t regaddr,
+ uint8_t regval)
+{
+ struct i2c_config_s config;
+ uint8_t buffer[2];
+ int ret;
+
+ /* Sanity check */
+
+ DEBUGASSERT(priv != NULL);
+
+ /* Set up a 2-byte message to send */
+
+ buffer[0] = regaddr;
+ buffer[1] = regval;
+
+ /* Set up the I2C configuration */
+
+ config.frequency = priv->frequency;
+ config.address = priv->addr;
+ config.addrlen = 7;
+
+ /* Write the register address followed by the data (no RESTART) */
+
+ ret = i2c_write(priv->i2c, &config, buffer, sizeof(buffer));
+ if (ret < 0)
+ {
+ snerr("ERROR: i2c_write failed: %d\n", ret);
+ return ret;
+ }
+
+ sninfo("addr: %02x value: %02x\n", regaddr, regval);
+
+ return OK;
+}
+
+static int axp202_state(struct battery_charger_dev_s *dev, int *status)
+{
+ FAR struct axp202_dev_s *priv = (FAR struct axp202_dev_s *)dev;
+ uint8_t val = 0;
+ int ret = 0;
+
+ /* Only a few of the possible battery states are supported by this driver:
+ *
+ * BATTERY_UNKNOWN - Returned on error conditions
+ * BATTERY_IDLE - This is what will usually be reported
+ * BATTERY_FULL - This will be reported if the SoC is greater than 95%
+ * BATTERY_CHARGING and BATTERY_DISCHARGING - I don't think this hardware
+ * knows anything about current (charging or dischargin).
+ *
+ */
+
+ ret = axp202_getreg8(priv, AXP202_MODE_CHGSTATUS, &val);
+
+ if (ret != OK)
+ {
+ *status = BATTERY_UNKNOWN;
+ return ret;
+ }
+
+ if (val & (1 << 6))
+ {
+ *status = BATTERY_CHARGING;
+ }
+ else
+ {
+ *status = BATTERY_DISCHARGING;
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: axp202_health
+ *
+ * Description:
+ * Return the current battery health state
+ *
+ * Note: if more than one fault happened the user needs to call this ioctl
+ * again to read a new fault, repeat until receive a BATTERY_HEALTH_GOOD.
+ *
+ ****************************************************************************/
+
+static int axp202_health(FAR struct battery_charger_dev_s *dev,
+ FAR int * health)
+{
+ FAR struct axp202_dev_s *priv = (FAR struct axp202_dev_s *)dev;
+ uint8_t val = 0;
+ int ret = 0;
+
+ /* Only a few of the possible states are supported by this driver:
+ * BATTERY_HEALTH_UNKNOWN - health state is not known
+ * BATTERY_HEALTH_GOOD - is in good condiction
+ * BATTERY_HEALTH_DEAD - is dead, nothing we can do
+ * BATTERY_HEALTH_OVERHEAT - is over recommended temperature
+ * BATTERY_HEALTH_OVERVOLTAGE - voltage is over recommended level
+ * BATTERY_HEALTH_UNSPEC_FAIL - charger reported an unspected failure
+ * BATTERY_HEALTH_COLD - is under recommended temperature
+ * BATTERY_HEALTH_WD_TMR_EXP - WatchDog Timer Expired
+ * BATTERY_HEALTH_SAFE_TMR_EXP - Safety Timer Expired
+ * BATTERY_HEALTH_DISCONNECTED - is not connected
+ */
+
+ ret = axp202_getreg8(priv, AXP202_MODE_CHGSTATUS, &val);
+ if (ret < 0)
+ {
+ *health = BATTERY_HEALTH_UNKNOWN;
+ return ret;
+ }
+
+ if (val & (1 << 7))
+ {
+ *health = BATTERY_HEALTH_OVERHEAT;
+ }
+ else if (!(val & (1 << 5)))
+ {
+ *health = BATTERY_HEALTH_DISCONNECTED;
+ }
+ else
+ {
+ *health = BATTERY_HEALTH_GOOD;
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: axp202_online
+ *
+ * Description:
+ * Return true if the batter is online
+ *
+ ****************************************************************************/
+
+static int axp202_online(struct battery_charger_dev_s *dev, bool *status)
+{
+ FAR struct axp202_dev_s *priv = (FAR struct axp202_dev_s *)dev;
+ uint8_t val = 0;
+ int ret = 0;
+
+ ret = axp202_getreg8(priv, AXP202_MODE_CHGSTATUS, &val);
+
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ if (val & (1 << 5))
+ {
+ *status = true;
+ }
+ else
+ {
+ *status = false;
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: axp202_voltage
+ *
+ * Description:
+ * Set battery charger voltage
+ *
+ ****************************************************************************/
+
+static int axp202_voltage(FAR struct battery_charger_dev_s *dev, int value)
+{
+ FAR struct axp202_dev_s *priv = (FAR struct axp202_dev_s *)dev;
+ int ret;
+ uint8_t reg = 0;
+
+ /* Set voltage to battery charger */
+
+ ret = axp202_getreg8(priv, AXP202_CHARGE1, ®);
+
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ reg &= ~(3 << 5);
+
+ switch (value)
+ {
+ case 4100:
+ reg |= (0 << 5);
+ break;
+
+ case 4150:
+ reg |= (1 << 5);
+ break;
+
+ case 4200:
+ reg |= (2 << 5);
+ break;
+
+ case 4360:
+ reg |= (3 << 5);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ ret = axp202_putreg8(priv, AXP202_CHARGE1, reg);
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: axp202_current
+ *
+ * Description:
+ * Set the battery charger current rate for charging
+ *
+ ****************************************************************************/
+
+static int axp202_current(FAR struct battery_charger_dev_s *dev, int value)
+{
+ FAR struct axp202_dev_s *priv = (FAR struct axp202_dev_s *)dev;
+ int ret;
+ uint8_t reg = 0;
+
+ /* Set current to battery charger */
+
+ ret = axp202_getreg8(priv, AXP202_CHARGE1, ®);
+
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ /**
+ * Charge current setting
+ * Icharge= [300+(Bit3-0)*100] mA
+ */
+
+ value = (value - 300) / 100;
+ value &= 0x0f;
+
+ reg &= 0xf0;
+ reg |= value;
+
+ ret = axp202_putreg8(priv, AXP202_CHARGE1, reg);
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: axp202_input_current
+ *
+ * Description:
+ * Set the power-supply input current limit
+ *
+ ****************************************************************************/
+
+static int axp202_input_current(FAR struct battery_charger_dev_s *dev,
+ int value)
+{
+ FAR struct axp202_dev_s *priv = (FAR struct axp202_dev_s *)dev;
+ int ret;
+ uint8_t reg = 0;
+
+ ret = axp202_getreg8(priv, AXP202_IPS_SET, ®);
+
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ reg &= ~(3 << 0);
+
+ switch (value)
+ {
+ case BATTERY_INPUT_CURRENT_EXT_LIM:
+ reg |= (3 << 0);
+ break;
+
+ case 900:
+ reg |= (0 << 0);
+ break;
+
+ case 500:
+ reg |= (1 << 0);
+ break;
+
+ case 100:
+ reg |= (2 << 0);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ ret = axp202_putreg8(priv, AXP202_IPS_SET, reg);
+ if (ret != OK)
+ {
+ return ret;
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Name: axp202_operate
+ *
+ * Description:
+ * Do miscellaneous battery ioctl()
+ *
+ ****************************************************************************/
+
+static int axp202_operate(FAR struct battery_charger_dev_s *dev,
+ uintptr_t param)
+{
+ return -ENOSYS;
+}
+
+static int axp202_set_ldo2_valtage(FAR struct axp202_dev_s *priv,
+ int voltage)
+{
+ uint8_t reg = 0;
+
+ axp202_getreg8(priv, AXP202_LDO234_DC23_CTL, ®);
+
+ if (voltage == 0)
+ {
+ reg &= ~(1 << 2);
+ }
+ else
+ {
+ reg |= (1 << 2);
+ }
+
+ axp202_putreg8(priv, AXP202_LDO234_DC23_CTL, reg);
+
+ if (voltage != 0)
+ {
+ axp202_getreg8(priv, AXP202_LDO24OUT_VOL, ®);
+ reg &= ~(0xf << 4);
+ reg |= ((((voltage - 1800) / 100) & 0x0f) << 4);
+ axp202_putreg8(priv, AXP202_LDO24OUT_VOL, reg);
+ }
+
+ return OK;
+}
+
+static int axp202_set_ldo3_valtage(FAR struct axp202_dev_s *priv,
+ int voltage)
+{
+ uint8_t reg = 0;
+
+ axp202_getreg8(priv, AXP202_LDO234_DC23_CTL, ®);
+
+ if (voltage == 0)
+ {
+ reg &= ~(1 << 6);
+ }
+ else
+ {
+ reg |= (1 << 6);
+ }
+
+ axp202_putreg8(priv, AXP202_LDO234_DC23_CTL, reg);
+
+ if (voltage != 0)
+ {
+ axp202_getreg8(priv, AXP202_LDO3OUT_VOL, ®);
+ reg &= ~(0xf << 4);
+ reg |= ((((voltage - 700) / 25) & 0x7f) << 0);
+ axp202_putreg8(priv, AXP202_LDO3OUT_VOL, reg);
+ }
+
+ return OK;
+}
+
+static int axp202_set_ldo4_valtage(FAR struct axp202_dev_s *priv,
+ int voltage)
+{
+ uint8_t reg = 0;
+
+ axp202_getreg8(priv, AXP202_LDO234_DC23_CTL, ®);
+
+ if (voltage == 0)
+ {
+ reg &= ~(1 << 3);
+ }
+ else
+ {
+ reg |= (1 << 3);
+ }
+
+ axp202_putreg8(priv, AXP202_LDO234_DC23_CTL, reg);
+
+ if (voltage != 0)
+ {
+ axp202_getreg8(priv, AXP202_LDO24OUT_VOL, ®);
+ reg &= ~(0xf << 0);
+
+ switch (voltage)
+ {
+ case 1250:
+ reg |= 0; break;
+ case 1300:
+ reg |= 1; break;
+ case 1400:
+ reg |= 2; break;
+ case 1500:
+ reg |= 3; break;
+ case 1600:
+ reg |= 4; break;
+ case 1700:
+ reg |= 5; break;
+ case 1800:
+ reg |= 6; break;
+ case 1900:
+ reg |= 7; break;
+ case 2000:
+ reg |= 8; break;
+ case 2500:
+ reg |= 9; break;
+ case 2700:
+ reg |= 10; break;
+ case 2800:
+ reg |= 11; break;
+ case 3000:
+ reg |= 12; break;
+ case 3100:
+ reg |= 13; break;
+ case 3200:
+ reg |= 14; break;
+ case 3300:
+ reg |= 15; break;
+ default:
+ break;
+ }
+
+ axp202_putreg8(priv, AXP202_LDO24OUT_VOL, reg);
+ }
+
+ return OK;
+}
+
+static int axp202_set_dc2_valtage(FAR struct axp202_dev_s *priv,
+ int voltage)
+{
+ uint8_t reg = 0;
+
+ axp202_getreg8(priv, AXP202_LDO234_DC23_CTL, ®);
+
+ if (voltage == 0)
+ {
+ reg &= ~(1 << 4);
+ }
+ else
+ {
+ reg |= (1 << 4);
+ }
+
+ axp202_putreg8(priv, AXP202_LDO234_DC23_CTL, reg);
+
+ if (voltage != 0)
+ {
+ axp202_getreg8(priv, AXP202_DC2OUT_VOL, ®);
+ reg &= ~(0xf << 4);
+ reg |= ((((voltage - 700) / 25) & 0x3f) << 0);
+ axp202_putreg8(priv, AXP202_DC2OUT_VOL, reg);
+ }
+
+ return OK;
+}
+
+static int axp202_set_dc3_valtage(FAR struct axp202_dev_s *priv,
+ int voltage)
+{
+ uint8_t reg = 0;
+
+ axp202_getreg8(priv, AXP202_LDO234_DC23_CTL, ®);
+
+ if (voltage == 0)
+ {
+ reg &= ~(1 << 1);
+ }
+ else
+ {
+ reg |= (1 << 1);
+ }
+
+ axp202_putreg8(priv, AXP202_LDO234_DC23_CTL, reg);
+
+ if (voltage != 0)
+ {
+ axp202_getreg8(priv, AXP202_DC3OUT_VOL, ®);
+ reg &= ~(0xf << 4);
+ reg |= ((((voltage - 700) / 25) & 0x7f) << 0);
+ axp202_putreg8(priv, AXP202_DC3OUT_VOL, reg);
+ }
+
+ return OK;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+FAR struct battery_charger_dev_s *
+axp202_initialize(FAR struct i2c_master_s *i2c, uint8_t addr,
+ uint32_t frequency)
+{
+ FAR struct axp202_dev_s *priv;
+ uint8_t chipid = 0;
+
+ /* Initialize the axp202 device structure */
+
+ priv = (FAR struct axp202_dev_s *)kmm_zalloc(sizeof(struct axp202_dev_s));
+
+ if (priv)
+ {
+ /* Initialize the axp202 device structure */
+
+ priv->ops = &g_axp202ops;
+ priv->i2c = i2c;
+ priv->addr = addr;
+ priv->frequency = frequency;
+ }
+
+ axp202_getreg8(priv, AXP202_IC_TYPE, &chipid);
+
+ if (AXP202_CHIP_ID != chipid)
+ {
+ kmm_free(priv);
+ return NULL;
+ }
+
+ /* Initialize ldo2 output voltage */
+
+ axp202_set_ldo2_valtage(priv, CONFIG_AXP202_LDO2_VOLTAGE);
+
+ /* Initialize ldo3 output voltage */
+
+ axp202_set_ldo3_valtage(priv, CONFIG_AXP202_LDO3_VOLTAGE);
+
+ /* Initialize ldo4 output voltage */
+
+ axp202_set_ldo4_valtage(priv, CONFIG_AXP202_LDO4_VOLTAGE);
+
+ /* Initialize dc2 output voltage */
+
+ axp202_set_dc2_valtage(priv, CONFIG_AXP202_DC2_VOLTAGE);
+
+ /* Initialize dc3 output voltage */
+
+ axp202_set_dc3_valtage(priv, CONFIG_AXP202_DC3_VOLTAGE);
+
+ return (FAR struct battery_charger_dev_s *)priv;
+}
+
+#endif /* CONFIG_I2C && CONFIG_I2C_AXP202 */
diff --git a/include/nuttx/power/axp202.h b/include/nuttx/power/axp202.h
new file mode 100644
index 0000000..04c1048
--- /dev/null
+++ b/include/nuttx/power/axp202.h
@@ -0,0 +1,191 @@
+/****************************************************************************
+ * include/nuttx/power/axp202.h
+ * msa301 Driver declaration
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_POWER_BATTERY_AXP202_H
+#define __INCLUDE_NUTTX_POWER_BATTERY_AXP202_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/fs/ioctl.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define AXP202_SLAVE_ADDRESS 0x35
+#define AXP202_CHIP_ID (0x41)
+
+#define AXP202_STATUS (0x00)
+#define AXP202_MODE_CHGSTATUS (0x01)
+#define AXP202_OTG_STATUS (0x02)
+#define AXP202_IC_TYPE (0x03)
+#define AXP202_DATA_BUFFER1 (0x04)
+#define AXP202_DATA_BUFFER2 (0x05)
+#define AXP202_DATA_BUFFER3 (0x06)
+#define AXP202_DATA_BUFFER4 (0x07)
+#define AXP202_DATA_BUFFER5 (0x08)
+#define AXP202_DATA_BUFFER6 (0x09)
+#define AXP202_DATA_BUFFER7 (0x0A)
+#define AXP202_DATA_BUFFER8 (0x0B)
+#define AXP202_DATA_BUFFER9 (0x0C)
+#define AXP202_DATA_BUFFERA (0x0D)
+#define AXP202_DATA_BUFFERB (0x0E)
+#define AXP202_DATA_BUFFERC (0x0F)
+#define AXP202_LDO234_DC23_CTL (0x12)
+#define AXP202_DC2OUT_VOL (0x23)
+#define AXP202_LDO3_DC2_DVM (0x25)
+#define AXP202_DC3OUT_VOL (0x27)
+#define AXP202_LDO24OUT_VOL (0x28)
+#define AXP202_LDO3OUT_VOL (0x29)
+#define AXP202_IPS_SET (0x30)
+#define AXP202_VOFF_SET (0x31)
+#define AXP202_OFF_CTL (0x32)
+#define AXP202_CHARGE1 (0x33)
+#define AXP202_CHARGE2 (0x34)
+#define AXP202_BACKUP_CHG (0x35)
+#define AXP202_POK_SET (0x36)
+#define AXP202_DCDC_FREQSET (0x37)
+#define AXP202_VLTF_CHGSET (0x38)
+#define AXP202_VHTF_CHGSET (0x39)
+#define AXP202_APS_WARNING1 (0x3A)
+#define AXP202_APS_WARNING2 (0x3B)
+#define AXP202_TLTF_DISCHGSET (0x3C)
+#define AXP202_THTF_DISCHGSET (0x3D)
+#define AXP202_DCDC_MODESET (0x80)
+#define AXP202_ADC_EN1 (0x82)
+#define AXP202_ADC_EN2 (0x83)
+#define AXP202_ADC_SPEED (0x84)
+#define AXP202_ADC_INPUTRANGE (0x85)
+#define AXP202_ADC_IRQ_RETFSET (0x86)
+#define AXP202_ADC_IRQ_FETFSET (0x87)
+#define AXP202_TIMER_CTL (0x8A)
+#define AXP202_VBUS_DET_SRP (0x8B)
+#define AXP202_HOTOVER_CTL (0x8F)
+#define AXP202_GPIO0_CTL (0x90)
+#define AXP202_GPIO0_VOL (0x91)
+#define AXP202_GPIO1_CTL (0x92)
+#define AXP202_GPIO2_CTL (0x93)
+#define AXP202_GPIO012_SIGNAL (0x94)
+#define AXP202_GPIO3_CTL (0x95)
+#define AXP202_INTEN1 (0x40)
+#define AXP202_INTEN2 (0x41)
+#define AXP202_INTEN3 (0x42)
+#define AXP202_INTEN4 (0x43)
+#define AXP202_INTEN5 (0x44)
+#define AXP202_INTSTS1 (0x48)
+#define AXP202_INTSTS2 (0x49)
+#define AXP202_INTSTS3 (0x4A)
+#define AXP202_INTSTS4 (0x4B)
+#define AXP202_INTSTS5 (0x4C)
+
+/* axp 192/202 adc data register */
+
+#define AXP202_BAT_AVERVOL_H8 (0x78)
+#define AXP202_BAT_AVERVOL_L4 (0x79)
+#define AXP202_BAT_AVERCHGCUR_H8 (0x7A)
+#define AXP202_BAT_AVERCHGCUR_L4 (0x7B)
+#define AXP202_BAT_AVERCHGCUR_L5 (0x7B)
+#define AXP202_ACIN_VOL_H8 (0x56)
+#define AXP202_ACIN_VOL_L4 (0x57)
+#define AXP202_ACIN_CUR_H8 (0x58)
+#define AXP202_ACIN_CUR_L4 (0x59)
+#define AXP202_VBUS_VOL_H8 (0x5A)
+#define AXP202_VBUS_VOL_L4 (0x5B)
+#define AXP202_VBUS_CUR_H8 (0x5C)
+#define AXP202_VBUS_CUR_L4 (0x5D)
+#define AXP202_INTERNAL_TEMP_H8 (0x5E)
+#define AXP202_INTERNAL_TEMP_L4 (0x5F)
+#define AXP202_TS_IN_H8 (0x62)
+#define AXP202_TS_IN_L4 (0x63)
+#define AXP202_GPIO0_VOL_ADC_H8 (0x64)
+#define AXP202_GPIO0_VOL_ADC_L4 (0x65)
+#define AXP202_GPIO1_VOL_ADC_H8 (0x66)
+#define AXP202_GPIO1_VOL_ADC_L4 (0x67)
+
+#define AXP202_BAT_AVERDISCHGCUR_H8 (0x7C)
+#define AXP202_BAT_AVERDISCHGCUR_L5 (0x7D)
+#define AXP202_APS_AVERVOL_H8 (0x7E)
+#define AXP202_APS_AVERVOL_L4 (0x7F)
+#define AXP202_INT_BAT_CHGCUR_H8 (0xA0)
+#define AXP202_INT_BAT_CHGCUR_L4 (0xA1)
+#define AXP202_EXT_BAT_CHGCUR_H8 (0xA2)
+#define AXP202_EXT_BAT_CHGCUR_L4 (0xA3)
+#define AXP202_INT_BAT_DISCHGCUR_H8 (0xA4)
+#define AXP202_INT_BAT_DISCHGCUR_L4 (0xA5)
+#define AXP202_EXT_BAT_DISCHGCUR_H8 (0xA6)
+#define AXP202_EXT_BAT_DISCHGCUR_L4 (0xA7)
+#define AXP202_BAT_CHGCOULOMB3 (0xB0)
+#define AXP202_BAT_CHGCOULOMB2 (0xB1)
+#define AXP202_BAT_CHGCOULOMB1 (0xB2)
+#define AXP202_BAT_CHGCOULOMB0 (0xB3)
+#define AXP202_BAT_DISCHGCOULOMB3 (0xB4)
+#define AXP202_BAT_DISCHGCOULOMB2 (0xB5)
+#define AXP202_BAT_DISCHGCOULOMB1 (0xB6)
+#define AXP202_BAT_DISCHGCOULOMB0 (0xB7)
+#define AXP202_COULOMB_CTL (0xB8)
+#define AXP202_BAT_POWERH8 (0x70)
+#define AXP202_BAT_POWERM8 (0x71)
+#define AXP202_BAT_POWERL8 (0x72)
+
+#define AXP202_VREF_TEM_CTRL (0xF3)
+#define AXP202_BATT_PERCENTAGE (0xB9)
+
+#define AXP202_BATT_VOLTAGE_STEP (1.1F)
+#define AXP202_BATT_DISCHARGE_CUR_STEP (0.5F)
+#define AXP202_BATT_CHARGE_CUR_STEP (0.5F)
+#define AXP202_ACIN_VOLTAGE_STEP (1.7F)
+#define AXP202_ACIN_CUR_STEP (0.625F)
+#define AXP202_VBUS_VOLTAGE_STEP (1.7F)
+#define AXP202_VBUS_CUR_STEP (0.375F)
+#define AXP202_INTERNAL_TEMP_STEP (0.1F)
+#define AXP202_APS_VOLTAGE_STEP (1.4F)
+#define AXP202_TS_PIN_OUT_STEP (0.8F)
+#define AXP202_GPIO0_STEP (0.5F)
+#define AXP202_GPIO1_STEP (0.5F)
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#if defined(CONFIG_I2C) && defined(CONFIG_I2C_AXP202)
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+struct i2c_master_s;
+FAR struct battery_charger_dev_s *axp202_initialize(
+ FAR struct i2c_master_s *i2c,
+ uint8_t addr,
+ uint32_t frequency
+ );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIG_I2C && CONFIG_I2C_AXP202 */
+#endif
+