regulator: arizona-ldo1: Add additional supported voltage

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>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index a1d07d347c20e30af065d204d94a314d18c408e3..90941632efa9b1868033cb256820137f8c406542 100644 (file)
--- 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;