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mfd: axp20x: Add ADC, BAT, and USB cells for AXP717

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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@hotmail.com>
Link: https://lore.kernel.org/r/20240821215456.962564-12-macroalpha82@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Chris Morgan 2024-08-21 16:54:52 -05:00 committed by Lee Jones
parent 8400291e28
commit 2e1a57d5b0
2 changed files with 50 additions and 1 deletions
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25
drivers/mfd/axp20x.c
View File

@ -209,13 +209,23 @@ static const struct regmap_access_table axp313a_volatile_table = {
};
static const struct regmap_range axp717_writeable_ranges[] = {
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 = {
@ -308,6 +318,12 @@ 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_OVER_V, "VBUS_OVER_V"),
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"),
@ -422,7 +438,7 @@ 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,
};
@ -1024,6 +1040,13 @@ 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),
MFD_CELL_OF("axp717-adc",
NULL, NULL, 0, 0, "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"),
MFD_CELL_OF("axp20x-battery-power-supply",
NULL, NULL, 0, 0, "x-powers,axp717-battery-power-supply"),
};
static const struct resource axp288_adc_resources[] = {

26
include/linux/mfd/axp20x.h
View File

@ -115,6 +115,16 @@ enum axp20x_variants {
#define AXP313A_IRQ_STATE 0x21
#define AXP717_ON_INDICATE 0x00
#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
@ -125,6 +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
@ -145,6 +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