Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-16 17:12:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

regulator: arizona-ldo1: Support DVFS in default constraints

Browse Source 
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>
This commit is contained in:
Mark Brown 2012-11-27 17:51:46 +00:00
parent 86a1450118
commit 55a18aef2e
1 changed files with 19 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/regulator/arizona-ldo1.c
View 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);