regulator: arizona-ldo1: Support DVFS in default constraints
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Tue, 27 Nov 2012 17:51:46 +0000 (17:51 +0000)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Wed, 28 Nov 2012 17:30:07 +0000 (17:30 +0000)
Some Arizona devices such as the WM5102 can use DVFS on their digital core,
for these devices allow the voltage range to vary in the default setup.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
drivers/regulator/arizona-ldo1.c

index 9d504585104a96e7630d123fc829a340e9151cb6..36c1c5cbc26565b4f5506337a4796e705244b0d9 100644 (file)
@@ -61,6 +61,16 @@ static const struct regulator_desc arizona_ldo1 = {
        .owner = THIS_MODULE,
 };
 
+static const struct regulator_init_data arizona_ldo1_dvfs = {
+       .constraints = {
+               .min_uV = 1200000,
+               .max_uV = 1800000,
+               .valid_ops_mask = REGULATOR_CHANGE_STATUS |
+                                 REGULATOR_CHANGE_VOLTAGE,
+       },
+       .num_consumer_supplies = 1,
+};
+
 static const struct regulator_init_data arizona_ldo1_default = {
        .constraints = {
                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
@@ -88,7 +98,15 @@ static __devinit int arizona_ldo1_probe(struct platform_device *pdev)
         * default init_data for it.  This will be overridden with
         * platform data if provided.
         */
-       ldo1->init_data = arizona_ldo1_default;
+       switch (arizona->type) {
+       case WM5102:
+               ldo1->init_data = arizona_ldo1_dvfs;
+               break;
+       default:
+               ldo1->init_data = arizona_ldo1_default;
+               break;
+       }
+
        ldo1->init_data.consumer_supplies = &ldo1->supply;
        ldo1->supply.supply = "DCVDD";
        ldo1->supply.dev_name = dev_name(arizona->dev);