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ASoC: wm8960: Add support for the power supplies

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WM8960 has the following power supplies:

- AVDD
- DBVDD
- DCVDD
- SPKVDD1
- SPKVDD1

Add support for them.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230803215506.142922-2-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Fabio Estevam 2023-08-03 18:55:06 -03:00 • committed by Mark Brown
parent 6a41c3a160
commit 422f10adc3
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 33 additions and 1 deletions
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34
sound/soc/codecs/wm8960.c
View file

@ -120,6 +120,15 @@ static bool wm8960_volatile(struct device *dev, unsigned int reg)
} }
} }
#define WM8960_NUM_SUPPLIES 5
static const char *wm8960_supply_names[WM8960_NUM_SUPPLIES] = {
"DCVDD",
"DBVDD",
"AVDD",
"SPKVDD1",
"SPKVDD2",
};
struct wm8960_priv { struct wm8960_priv {
struct clk *mclk; struct clk *mclk;
struct regmap *regmap; struct regmap *regmap;
@ -137,6 +146,7 @@ struct wm8960_priv {
bool is_stream_in_use[2]; bool is_stream_in_use[2];
struct wm8960_data pdata; struct wm8960_data pdata;
ktime_t dsch_start; ktime_t dsch_start;
struct regulator_bulk_data supplies[WM8960_NUM_SUPPLIES];
}; };
#define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0) #define wm8960_reset(c) regmap_write(c, WM8960_RESET, 0)
@ -1417,6 +1427,7 @@ static int wm8960_i2c_probe(struct i2c_client *i2c)
{ {
struct wm8960_data *pdata = dev_get_platdata(&i2c->dev); struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
struct wm8960_priv *wm8960; struct wm8960_priv *wm8960;
unsigned int i;
int ret; int ret;
u8 val; u8 val;
@ -1439,6 +1450,23 @@ static int wm8960_i2c_probe(struct i2c_client *i2c)
} }
} }
for (i = 0; i < ARRAY_SIZE(wm8960->supplies); i++)
wm8960->supplies[i].supply = wm8960_supply_names[i];
ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8960->supplies),
wm8960->supplies);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8960->supplies),
wm8960->supplies);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
return ret;
}
wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap); wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
if (IS_ERR(wm8960->regmap)) if (IS_ERR(wm8960->regmap))
return PTR_ERR(wm8960->regmap); return PTR_ERR(wm8960->regmap);
@ -1505,7 +1533,11 @@ static int wm8960_i2c_probe(struct i2c_client *i2c)
} }
static void wm8960_i2c_remove(struct i2c_client *client) static void wm8960_i2c_remove(struct i2c_client *client)
{} {
struct wm8960_priv *wm8960 = i2c_get_clientdata(client);
regulator_bulk_disable(ARRAY_SIZE(wm8960->supplies), wm8960->supplies);
}
static const struct i2c_device_id wm8960_i2c_id[] = { static const struct i2c_device_id wm8960_i2c_id[] = {
{ "wm8960", 0 }, { "wm8960", 0 },