iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'regulator/topic/wm8994' into v3.9-rc8

Browse Source
This commit is contained in:
Mark Brown 2013-04-28 02:13:50 +01:00
commit bee5465814
1 changed files with 42 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
drivers/regulator/wm8994-regulator.c
View File

@ -18,6 +18,7 @@
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <linux/slab.h>
@ -28,6 +29,8 @@
struct wm8994_ldo {
struct regulator_dev *regulator;
struct wm8994 *wm8994;
struct regulator_consumer_supply supply;
struct regulator_init_data init_data;
};
#define WM8994_LDO1_MAX_SELECTOR 0x7
@ -99,6 +102,26 @@ static const struct regulator_desc wm8994_ldo_desc[] = {
},
};
static const struct regulator_consumer_supply wm8994_ldo_consumer[] = {
{ .supply = "AVDD1" },
{ .supply = "DCVDD" },
};
static const struct regulator_init_data wm8994_ldo_default[] = {
{
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
},
{
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = 1,
},
};
static int wm8994_ldo_probe(struct platform_device *pdev)
{
struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);
@ -117,13 +140,29 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
}
ldo->wm8994 = wm8994;
ldo->supply = wm8994_ldo_consumer[id];
ldo->supply.dev_name = dev_name(wm8994->dev);
config.dev = wm8994->dev;
config.driver_data = ldo;
config.regmap = wm8994->regmap;
if (pdata) {
config.init_data = pdata->ldo[id].init_data;
config.init_data = &ldo->init_data;
if (pdata)
config.ena_gpio = pdata->ldo[id].enable;
else if (wm8994->dev->of_node)
config.ena_gpio = wm8994->pdata.ldo[id].enable;
/* Use default constraints if none set up */
if (!pdata || !pdata->ldo[id].init_data || wm8994->dev->of_node) {
dev_dbg(wm8994->dev, "Using default init data, supply %s %s\n",
ldo->supply.dev_name, ldo->supply.supply);
ldo->init_data = wm8994_ldo_default[id];
ldo->init_data.consumer_supplies = &ldo->supply;
if (!config.ena_gpio)
ldo->init_data.constraints.valid_ops_mask = 0;
} else {
ldo->init_data = *pdata->ldo[id].init_data;
}
ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &config);
@ -162,23 +201,7 @@ static struct platform_driver wm8994_ldo_driver = {
},
};
static int __init wm8994_ldo_init(void)
{
int ret;
ret = platform_driver_register(&wm8994_ldo_driver);
if (ret != 0)
pr_err("Failed to register Wm8994 GP LDO driver: %d\n", ret);
return ret;
}
subsys_initcall(wm8994_ldo_init);
static void __exit wm8994_ldo_exit(void)
{
platform_driver_unregister(&wm8994_ldo_driver);
}
module_exit(wm8994_ldo_exit);
module_platform_driver(wm8994_ldo_driver);
/* Module information */
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");