[PATCH v4 3/4] regulator: arizona-ldo1: Add additional supported voltage

Charles Keepax
2015-04-01T13:28:04Z

This patch adds support for the 1.175V mode on the LDO1 regulator on the
wm5110. This is need as part of the low power sleep mode operation.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/arizona-ldo1.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index 8169165..c9f6302 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -178,6 +178,16 @@ static const struct regulator_init_data arizona_ldo1_default = {
.num_consumer_supplies = 1,
};

+static const struct regulator_init_data arizona_ldo1_wm5110 = {
+ .constraints = {
+ .min_uV = 1175000,
+ .max_uV = 1200000,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS |
+ REGULATOR_CHANGE_VOLTAGE,
+ },
+ .num_consumer_supplies = 1,
+};
+
static int arizona_ldo1_of_get_pdata(struct arizona *arizona,
struct regulator_config *config,
const struct regulator_desc *desc)
@@ -243,6 +253,11 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
desc = &arizona_ldo1_hc;
ldo1->init_data = arizona_ldo1_dvfs;
break;
+ case WM5110:
+ case WM8280:
+ desc = &arizona_ldo1;
+ ldo1->init_data = arizona_ldo1_wm5110;
+ break;
default:
desc = &arizona_ldo1;
ldo1->init_data = arizona_ldo1_default;
--
1.7.2.5