regulator: tps65910: add support for input supply
There is multiple voltage input pins on device which takes the voltage input for different voltage regulator. Support to configure the voltage input supplied by different regulator for each regulators. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>hifive-unleashed-5.1
Laxman Dewangan
Mark Brown
parent
6be5bfc3bf
commit
19228a6a59
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@ -32,6 +32,28 @@ Optional properties:
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comparator. (see VMBCH_VSEL in TPS65910 datasheet)
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- ti,en-gpio-sleep: enable sleep control for gpios
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There should be 9 entries here, one for each gpio.
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- xxx-supply: Input voltage supply regulator.
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Missing of these properties will be assume as there is no supply regulator
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for that input pins and always powered on.
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The valid input supply properties are:
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tps65910:
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vcc1-supply: VDD1 input.
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vcc2-supply: VDD2 input.
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vcc3-supply: VAUX33 and VMMC input.
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vcc4-supply: VAUX1 and VAUX2 input.
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vcc5-supply: VPLL and VDAC input.
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vcc6-supply: VDIG1 and VDIG2 input.
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vcc7-supply: VRTC input.
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vccio-supply: VIO input.
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tps65911:
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vcc1-supply: VDD1 input.
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vcc2-supply: VDD2 input.
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vcc3-supply: LDO6, LDO7 and LDO8 input.
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vcc4-supply: LDO5 input.
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vcc5-supply: LDO3 and LDO4 input.
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vcc6-supply: LDO1 and LDO2 input.
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vcc7-supply: VRTC input.
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vccio-supply: VIO input.
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Regulator Optional properties:
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- ti,regulator-ext-sleep-control: enable external sleep
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@ -57,6 +79,9 @@ Example:
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ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>;
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vcc7-supply = <®_parent>;
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vcc1-supply = <®_parent>;
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regulators {
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#address-cells = <1>;
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#size-cells = <0>;
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@ -85,6 +85,7 @@ static const unsigned int VMMC_VSEL_table[] = {
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struct tps_info {
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const char *name;
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const char *vin_name;
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u8 n_voltages;
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const unsigned int *voltage_table;
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int enable_time_us;
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@ -93,20 +94,24 @@ struct tps_info {
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static struct tps_info tps65910_regs[] = {
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{
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.name = "vrtc",
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.vin_name = "vcc7",
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.enable_time_us = 2200,
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},
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{
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.name = "vio",
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.vin_name = "vccio",
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.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
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.voltage_table = VIO_VSEL_table,
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.enable_time_us = 350,
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},
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{
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.name = "vdd1",
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.vin_name = "vcc1",
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.enable_time_us = 350,
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},
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{
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.name = "vdd2",
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.vin_name = "vcc2",
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.enable_time_us = 350,
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},
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{
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@ -117,48 +122,56 @@ static struct tps_info tps65910_regs[] = {
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},
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{
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.name = "vdig1",
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.vin_name = "vcc6",
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.n_voltages = ARRAY_SIZE(VDIG1_VSEL_table),
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.voltage_table = VDIG1_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vdig2",
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.vin_name = "vcc6",
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.n_voltages = ARRAY_SIZE(VDIG2_VSEL_table),
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.voltage_table = VDIG2_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vpll",
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.vin_name = "vcc5",
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.n_voltages = ARRAY_SIZE(VPLL_VSEL_table),
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.voltage_table = VPLL_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vdac",
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.vin_name = "vcc5",
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.n_voltages = ARRAY_SIZE(VDAC_VSEL_table),
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.voltage_table = VDAC_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vaux1",
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.vin_name = "vcc4",
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.n_voltages = ARRAY_SIZE(VAUX1_VSEL_table),
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.voltage_table = VAUX1_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vaux2",
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.vin_name = "vcc4",
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.n_voltages = ARRAY_SIZE(VAUX2_VSEL_table),
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.voltage_table = VAUX2_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vaux33",
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.vin_name = "vcc3",
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.n_voltages = ARRAY_SIZE(VAUX33_VSEL_table),
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.voltage_table = VAUX33_VSEL_table,
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.enable_time_us = 100,
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},
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{
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.name = "vmmc",
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.vin_name = "vcc3",
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.n_voltages = ARRAY_SIZE(VMMC_VSEL_table),
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.voltage_table = VMMC_VSEL_table,
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.enable_time_us = 100,
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@ -168,21 +181,25 @@ static struct tps_info tps65910_regs[] = {
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static struct tps_info tps65911_regs[] = {
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{
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.name = "vrtc",
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.vin_name = "vcc7",
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.enable_time_us = 2200,
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},
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{
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.name = "vio",
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.vin_name = "vccio",
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.n_voltages = ARRAY_SIZE(VIO_VSEL_table),
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.voltage_table = VIO_VSEL_table,
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.enable_time_us = 350,
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},
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{
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.name = "vdd1",
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.vin_name = "vcc1",
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.n_voltages = 73,
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.enable_time_us = 350,
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},
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{
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.name = "vdd2",
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.vin_name = "vcc2",
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.n_voltages = 73,
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.enable_time_us = 350,
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},
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@ -193,41 +210,49 @@ static struct tps_info tps65911_regs[] = {
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},
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{
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.name = "ldo1",
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.vin_name = "vcc6",
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.n_voltages = 47,
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.enable_time_us = 420,
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},
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{
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.name = "ldo2",
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.vin_name = "vcc6",
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.n_voltages = 47,
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.enable_time_us = 420,
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},
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{
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.name = "ldo3",
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.vin_name = "vcc5",
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.n_voltages = 24,
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.enable_time_us = 230,
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},
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{
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.name = "ldo4",
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.vin_name = "vcc5",
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.n_voltages = 47,
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.enable_time_us = 230,
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},
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{
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.name = "ldo5",
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.vin_name = "vcc4",
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.n_voltages = 24,
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.enable_time_us = 230,
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},
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{
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.name = "ldo6",
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.vin_name = "vcc3",
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.n_voltages = 24,
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.enable_time_us = 230,
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},
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{
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.name = "ldo7",
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.vin_name = "vcc3",
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.n_voltages = 24,
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.enable_time_us = 230,
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},
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{
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.name = "ldo8",
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.vin_name = "vcc3",
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.n_voltages = 24,
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.enable_time_us = 230,
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},
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@ -1013,6 +1038,9 @@ static struct tps65910_board *tps65910_parse_dt_reg_data(
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*tps65910_reg_matches = matches;
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for (idx = 0; idx < count; idx++) {
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struct tps_info *info = matches[idx].driver_data;
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char in_supply[32]; /* 32 is max size of property name */
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if (!matches[idx].init_data || !matches[idx].of_node)
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continue;
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@ -1023,6 +1051,13 @@ static struct tps65910_board *tps65910_parse_dt_reg_data(
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"ti,regulator-ext-sleep-control", &prop);
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if (!ret)
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pmic_plat_data->regulator_ext_sleep_control[idx] = prop;
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if (info->vin_name) {
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snprintf(in_supply, 32, "%s-supply", info->vin_name);
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if (of_find_property(np, in_supply, 0))
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pmic_plat_data->input_supply[idx] =
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info->vin_name;
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}
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}
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return pmic_plat_data;
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@ -1126,6 +1161,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
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pmic->info[i] = info;
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pmic->desc[i].name = info->name;
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pmic->desc[i].supply_name = pmic_plat_data->input_supply[i];
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pmic->desc[i].id = i;
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pmic->desc[i].n_voltages = info->n_voltages;
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pmic->desc[i].enable_time = info->enable_time_us;
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@ -799,6 +799,7 @@ struct tps65910_sleep_keepon_data {
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/**
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* struct tps65910_board
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* Board platform data may be used to initialize regulators.
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* @input_supply: Name of input supply regulator.
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*/
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struct tps65910_board {
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@ -811,6 +812,7 @@ struct tps65910_board {
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struct tps65910_sleep_keepon_data *slp_keepon;
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bool en_gpio_sleep[TPS6591X_MAX_NUM_GPIO];
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unsigned long regulator_ext_sleep_control[TPS65910_NUM_REGS];
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const char *input_supply[TPS65910_NUM_REGS];
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struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS];
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};
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