From: Chris Morgan <macromorgan@xxxxxxxxxxx> Add support for the AXP717 PMIC to utilize the ADC (for reading voltage, current, and temperature information from the PMIC) as well as the USB charger and battery. Signed-off-by: Chris Morgan <macromorgan@xxxxxxxxxxx> --- drivers/mfd/axp20x.c | 30 +++++++++++++++++++++++++--- drivers/regulator/axp20x-regulator.c | 2 +- include/linux/mfd/axp20x.h | 26 +++++++++++++++++++++++- 3 files changed, 53 insertions(+), 5 deletions(-) diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index 609e7e149681..07db4a11acbc 100644 --- a/drivers/mfd/axp20x.c +++ b/drivers/mfd/axp20x.c @@ -209,15 +209,23 @@ static const struct regmap_access_table axp313a_volatile_table = { }; static const struct regmap_range axp717_writeable_ranges[] = { - regmap_reg_range(AXP717_MODULE_EN_CONTROL, AXP717_MODULE_EN_CONTROL), - regmap_reg_range(AXP717_BOOST_CONTROL, AXP717_BOOST_CONTROL), + regmap_reg_range(AXP717_PMU_FAULT, AXP717_MODULE_EN_CONTROL_1), + regmap_reg_range(AXP717_MIN_SYS_V_CONTROL, AXP717_BOOST_CONTROL), + regmap_reg_range(AXP717_VSYS_V_POWEROFF, AXP717_VSYS_V_POWEROFF), regmap_reg_range(AXP717_IRQ0_EN, AXP717_IRQ4_EN), regmap_reg_range(AXP717_IRQ0_STATE, AXP717_IRQ4_STATE), + regmap_reg_range(AXP717_ICC_CHG_SET, AXP717_CV_CHG_SET), regmap_reg_range(AXP717_DCDC_OUTPUT_CONTROL, AXP717_CPUSLDO_CONTROL), + regmap_reg_range(AXP717_ADC_CH_EN_CONTROL, AXP717_ADC_CH_EN_CONTROL), + regmap_reg_range(AXP717_ADC_DATA_SEL, AXP717_ADC_DATA_SEL), }; static const struct regmap_range axp717_volatile_ranges[] = { + regmap_reg_range(AXP717_ON_INDICATE, AXP717_PMU_FAULT), regmap_reg_range(AXP717_IRQ0_STATE, AXP717_IRQ4_STATE), + regmap_reg_range(AXP717_BATT_PERCENT_DATA, AXP717_BATT_PERCENT_DATA), + regmap_reg_range(AXP717_BATT_V_H, AXP717_BATT_CHRG_I_L), + regmap_reg_range(AXP717_ADC_DATA_H, AXP717_ADC_DATA_L), }; static const struct regmap_access_table axp717_writeable_table = { @@ -310,6 +318,11 @@ static const struct resource axp22x_usb_power_supply_resources[] = { DEFINE_RES_IRQ_NAMED(AXP22X_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"), }; +static const struct resource axp717_usb_power_supply_resources[] = { + DEFINE_RES_IRQ_NAMED(AXP717_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"), + DEFINE_RES_IRQ_NAMED(AXP717_IRQ_VBUS_REMOVAL, "VBUS_REMOVAL"), +}; + /* AXP803 and AXP813/AXP818 share the same interrupts */ static const struct resource axp803_usb_power_supply_resources[] = { DEFINE_RES_IRQ_NAMED(AXP803_IRQ_VBUS_PLUGIN, "VBUS_PLUGIN"), @@ -424,7 +437,7 @@ static const struct regmap_config axp717_regmap_config = { .val_bits = 8, .wr_table = &axp717_writeable_table, .volatile_table = &axp717_volatile_table, - .max_register = AXP717_CPUSLDO_CONTROL, + .max_register = AXP717_ADC_DATA_L, .cache_type = REGCACHE_MAPLE, }; @@ -1026,6 +1039,17 @@ static struct mfd_cell axp313a_cells[] = { static struct mfd_cell axp717_cells[] = { MFD_CELL_NAME("axp20x-regulator"), MFD_CELL_RES("axp20x-pek", axp717_pek_resources), + { + .name = "axp717-adc", + .of_compatible = "x-powers,axp717-adc", + }, + MFD_CELL_OF("axp20x-usb-power-supply", + axp717_usb_power_supply_resources, NULL, 0, 0, + "x-powers,axp717-usb-power-supply"), + { + .name = "axp20x-battery-power-supply", + .of_compatible = "x-powers,axp717-battery-power-supply", + }, }; static const struct resource axp288_adc_resources[] = { diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index 20bef3971fec..a8e91d9d028b 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -837,7 +837,7 @@ static const struct regulator_desc axp717_regulators[] = { AXP717_LDO1_OUTPUT_CONTROL, BIT(4)), AXP_DESC(AXP717, BOOST, "boost", "vin1", 4550, 5510, 64, AXP717_BOOST_CONTROL, AXP717_BOOST_V_OUT_MASK, - AXP717_MODULE_EN_CONTROL, BIT(4)), + AXP717_MODULE_EN_CONTROL_2, BIT(4)), }; /* DCDC ranges shared with AXP813 */ diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h index 5e86b976c4ca..f4dfc1871a95 100644 --- a/include/linux/mfd/axp20x.h +++ b/include/linux/mfd/axp20x.h @@ -115,8 +115,16 @@ enum axp20x_variants { #define AXP313A_IRQ_STATE 0x21 #define AXP717_ON_INDICATE 0x00 -#define AXP717_MODULE_EN_CONTROL 0x19 +#define AXP717_PMU_STATUS_2 0x01 +#define AXP717_BC_DETECT 0x05 +#define AXP717_PMU_FAULT 0x08 +#define AXP717_MODULE_EN_CONTROL_1 0x0b +#define AXP717_MIN_SYS_V_CONTROL 0x15 +#define AXP717_INPUT_VOL_LIMIT_CTRL 0x16 +#define AXP717_INPUT_CUR_LIMIT_CTRL 0x17 +#define AXP717_MODULE_EN_CONTROL_2 0x19 #define AXP717_BOOST_CONTROL 0x1e +#define AXP717_VSYS_V_POWEROFF 0x24 #define AXP717_IRQ0_EN 0x40 #define AXP717_IRQ1_EN 0x41 #define AXP717_IRQ2_EN 0x42 @@ -127,6 +135,9 @@ enum axp20x_variants { #define AXP717_IRQ2_STATE 0x4a #define AXP717_IRQ3_STATE 0x4b #define AXP717_IRQ4_STATE 0x4c +#define AXP717_ICC_CHG_SET 0x62 +#define AXP717_ITERM_CHG_SET 0x63 +#define AXP717_CV_CHG_SET 0x64 #define AXP717_DCDC_OUTPUT_CONTROL 0x80 #define AXP717_DCDC1_CONTROL 0x83 #define AXP717_DCDC2_CONTROL 0x84 @@ -147,6 +158,19 @@ enum axp20x_variants { #define AXP717_CLDO3_CONTROL 0x9d #define AXP717_CLDO4_CONTROL 0x9e #define AXP717_CPUSLDO_CONTROL 0x9f +#define AXP717_BATT_PERCENT_DATA 0xa4 +#define AXP717_ADC_CH_EN_CONTROL 0xc0 +#define AXP717_BATT_V_H 0xc4 +#define AXP717_BATT_V_L 0xc5 +#define AXP717_VBUS_V_H 0xc6 +#define AXP717_VBUS_V_L 0xc7 +#define AXP717_VSYS_V_H 0xc8 +#define AXP717_VSYS_V_L 0xc9 +#define AXP717_BATT_CHRG_I_H 0xca +#define AXP717_BATT_CHRG_I_L 0xcb +#define AXP717_ADC_DATA_SEL 0xcd +#define AXP717_ADC_DATA_H 0xce +#define AXP717_ADC_DATA_L 0xcf #define AXP806_STARTUP_SRC 0x00 #define AXP806_CHIP_ID 0x03 -- 2.34.1