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authorLaxman Dewangan <ldewangan@nvidia.com>2012-07-06 14:13:12 +0530
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-07-06 19:11:05 +0100
commit19228a6a59250d414824ae07e06ad057a404ea3e (patch)
tree12fb44aeb551cd584f286197427e63b9add709dd /drivers/regulator
parent6be5bfc3bf0d31a70745a52e69f7f46de974193f (diff)
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>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/tps65910-regulator.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index a534e087200..e319d963fee 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;