diff --git a/Documentation/devicetree/bindings/mfd/tps65910.txt b/Documentation/devicetree/bindings/mfd/tps65910.txt index b51d2066599c..31be5a3d9f76 100644 --- a/Documentation/devicetree/bindings/mfd/tps65910.txt +++ b/Documentation/devicetree/bindings/mfd/tps65910.txt @@ -32,6 +32,28 @@ Optional properties: comparator. (see VMBCH_VSEL in TPS65910 datasheet) - ti,en-gpio-sleep: enable sleep control for gpios There should be 9 entries here, one for each gpio. +- xxx-supply: Input voltage supply regulator. + Missing of these properties will be assume as there is no supply regulator + for that input pins and always powered on. + The valid input supply properties are: + tps65910: + vcc1-supply: VDD1 input. + vcc2-supply: VDD2 input. + vcc3-supply: VAUX33 and VMMC input. + vcc4-supply: VAUX1 and VAUX2 input. + vcc5-supply: VPLL and VDAC input. + vcc6-supply: VDIG1 and VDIG2 input. + vcc7-supply: VRTC input. + vccio-supply: VIO input. + tps65911: + vcc1-supply: VDD1 input. + vcc2-supply: VDD2 input. + vcc3-supply: LDO6, LDO7 and LDO8 input. + vcc4-supply: LDO5 input. + vcc5-supply: LDO3 and LDO4 input. + vcc6-supply: LDO1 and LDO2 input. + vcc7-supply: VRTC input. + vccio-supply: VIO input. Regulator Optional properties: - ti,regulator-ext-sleep-control: enable external sleep @@ -57,6 +79,9 @@ Example: ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>; + vcc7-supply = <®_parent>; + vcc1-supply = <®_parent>; + regulators { #address-cells = <1>; #size-cells = <0>; diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index a534e0872006..e319d963fee6 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -85,6 +85,7 @@ static const unsigned int VMMC_VSEL_table[] = { struct tps_info { const char *name; + const char *vin_name; u8 n_voltages; const unsigned int *voltage_table; int enable_time_us; @@ -93,20 +94,24 @@ struct tps_info { static struct tps_info tps65910_regs[] = { { .name = "vrtc", + .vin_name = "vcc7", .enable_time_us = 2200, }, { .name = "vio", + .vin_name = "vccio", .n_voltages = ARRAY_SIZE(VIO_VSEL_table), .voltage_table = VIO_VSEL_table, .enable_time_us = 350, }, { .name = "vdd1", + .vin_name = "vcc1", .enable_time_us = 350, }, { .name = "vdd2", + .vin_name = "vcc2", .enable_time_us = 350, }, { @@ -117,48 +122,56 @@ static struct tps_info tps65910_regs[] = { }, { .name = "vdig1", + .vin_name = "vcc6", .n_voltages = ARRAY_SIZE(VDIG1_VSEL_table), .voltage_table = VDIG1_VSEL_table, .enable_time_us = 100, }, { .name = "vdig2", + .vin_name = "vcc6", .n_voltages = ARRAY_SIZE(VDIG2_VSEL_table), .voltage_table = VDIG2_VSEL_table, .enable_time_us = 100, }, { .name = "vpll", + .vin_name = "vcc5", .n_voltages = ARRAY_SIZE(VPLL_VSEL_table), .voltage_table = VPLL_VSEL_table, .enable_time_us = 100, }, { .name = "vdac", + .vin_name = "vcc5", .n_voltages = ARRAY_SIZE(VDAC_VSEL_table), .voltage_table = VDAC_VSEL_table, .enable_time_us = 100, }, { .name = "vaux1", + .vin_name = "vcc4", .n_voltages = ARRAY_SIZE(VAUX1_VSEL_table), .voltage_table = VAUX1_VSEL_table, .enable_time_us = 100, }, { .name = "vaux2", + .vin_name = "vcc4", .n_voltages = ARRAY_SIZE(VAUX2_VSEL_table), .voltage_table = VAUX2_VSEL_table, .enable_time_us = 100, }, { .name = "vaux33", + .vin_name = "vcc3", .n_voltages = ARRAY_SIZE(VAUX33_VSEL_table), .voltage_table = VAUX33_VSEL_table, .enable_time_us = 100, }, { .name = "vmmc", + .vin_name = "vcc3", .n_voltages = ARRAY_SIZE(VMMC_VSEL_table), .voltage_table = VMMC_VSEL_table, .enable_time_us = 100, @@ -168,21 +181,25 @@ static struct tps_info tps65910_regs[] = { static struct tps_info tps65911_regs[] = { { .name = "vrtc", + .vin_name = "vcc7", .enable_time_us = 2200, }, { .name = "vio", + .vin_name = "vccio", .n_voltages = ARRAY_SIZE(VIO_VSEL_table), .voltage_table = VIO_VSEL_table, .enable_time_us = 350, }, { .name = "vdd1", + .vin_name = "vcc1", .n_voltages = 73, .enable_time_us = 350, }, { .name = "vdd2", + .vin_name = "vcc2", .n_voltages = 73, .enable_time_us = 350, }, @@ -193,41 +210,49 @@ static struct tps_info tps65911_regs[] = { }, { .name = "ldo1", + .vin_name = "vcc6", .n_voltages = 47, .enable_time_us = 420, }, { .name = "ldo2", + .vin_name = "vcc6", .n_voltages = 47, .enable_time_us = 420, }, { .name = "ldo3", + .vin_name = "vcc5", .n_voltages = 24, .enable_time_us = 230, }, { .name = "ldo4", + .vin_name = "vcc5", .n_voltages = 47, .enable_time_us = 230, }, { .name = "ldo5", + .vin_name = "vcc4", .n_voltages = 24, .enable_time_us = 230, }, { .name = "ldo6", + .vin_name = "vcc3", .n_voltages = 24, .enable_time_us = 230, }, { .name = "ldo7", + .vin_name = "vcc3", .n_voltages = 24, .enable_time_us = 230, }, { .name = "ldo8", + .vin_name = "vcc3", .n_voltages = 24, .enable_time_us = 230, }, @@ -1013,6 +1038,9 @@ static struct tps65910_board *tps65910_parse_dt_reg_data( *tps65910_reg_matches = matches; for (idx = 0; idx < count; idx++) { + struct tps_info *info = matches[idx].driver_data; + char in_supply[32]; /* 32 is max size of property name */ + if (!matches[idx].init_data || !matches[idx].of_node) continue; @@ -1023,6 +1051,13 @@ static struct tps65910_board *tps65910_parse_dt_reg_data( "ti,regulator-ext-sleep-control", &prop); if (!ret) pmic_plat_data->regulator_ext_sleep_control[idx] = prop; + + if (info->vin_name) { + snprintf(in_supply, 32, "%s-supply", info->vin_name); + if (of_find_property(np, in_supply, 0)) + pmic_plat_data->input_supply[idx] = + info->vin_name; + } } return pmic_plat_data; @@ -1126,6 +1161,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev) pmic->info[i] = info; pmic->desc[i].name = info->name; + pmic->desc[i].supply_name = pmic_plat_data->input_supply[i]; pmic->desc[i].id = i; pmic->desc[i].n_voltages = info->n_voltages; pmic->desc[i].enable_time = info->enable_time_us; diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h index dd8dc0a6c462..c5f806011b32 100644 --- a/include/linux/mfd/tps65910.h +++ b/include/linux/mfd/tps65910.h @@ -799,6 +799,7 @@ struct tps65910_sleep_keepon_data { /** * struct tps65910_board * Board platform data may be used to initialize regulators. + * @input_supply: Name of input supply regulator. */ struct tps65910_board { @@ -811,6 +812,7 @@ struct tps65910_board { struct tps65910_sleep_keepon_data *slp_keepon; bool en_gpio_sleep[TPS6591X_MAX_NUM_GPIO]; unsigned long regulator_ext_sleep_control[TPS65910_NUM_REGS]; + const char *input_supply[TPS65910_NUM_REGS]; struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS]; };