diff options
| author | Daniel Mack <zonque@gmail.com> | 2013-06-24 16:31:32 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-06-25 10:32:21 +0100 |
| commit | 97d0a868450d08fae0db3f53459852901c6e2f4f (patch) | |
| tree | 29160aea6bd860b3812cc94ccafe76be442b844c /sound | |
| parent | 45405d58924f49a13b924ed6db6fe47981487b4a (diff) | |
| download | linux-0-day-97d0a868450d08fae0db3f53459852901c6e2f4f.tar.gz linux-0-day-97d0a868450d08fae0db3f53459852901c6e2f4f.tar.xz | |
ASoC: adau1701: add support for pin muxing
The ADAU1701 has 12 pins that can be configured depending on the system
configuration. Allow settting the corresponding registers from DT.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/adau1701.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/sound/soc/codecs/adau1701.c b/sound/soc/codecs/adau1701.c index 881bab4a65aab..0e250f118c0e3 100644 --- a/sound/soc/codecs/adau1701.c +++ b/sound/soc/codecs/adau1701.c @@ -30,6 +30,9 @@ #define ADAU1701_SERICTL 0x081f #define ADAU1701_AUXNPOW 0x0822 +#define ADAU1701_PINCONF_0 0x0820 +#define ADAU1701_PINCONF_1 0x0821 +#define ADAU1701_AUXNPOW 0x0822 #define ADAU1701_OSCIPOW 0x0826 #define ADAU1701_DACSET 0x0827 @@ -99,6 +102,7 @@ struct adau1701 { unsigned int pll_clkdiv; unsigned int sysclk; struct regmap *regmap; + u8 pin_config[12]; }; static const struct snd_kcontrol_new adau1701_controls[] = { @@ -134,6 +138,9 @@ static unsigned int adau1701_register_size(struct device *dev, unsigned int reg) { switch (reg) { + case ADAU1701_PINCONF_0: + case ADAU1701_PINCONF_1: + return 3; case ADAU1701_DSPCTRL: case ADAU1701_SEROCTL: case ADAU1701_AUXNPOW: @@ -164,7 +171,7 @@ static int adau1701_reg_write(void *context, unsigned int reg, struct i2c_client *client = context; unsigned int i; unsigned int size; - uint8_t buf[4]; + uint8_t buf[5]; int ret; size = adau1701_register_size(&client->dev, reg); @@ -584,7 +591,8 @@ MODULE_DEVICE_TABLE(of, adau1701_dt_ids); static int adau1701_probe(struct snd_soc_codec *codec) { - int ret; + int i, ret; + unsigned int val; struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); codec->control_data = to_i2c_client(codec->dev); @@ -602,6 +610,19 @@ static int adau1701_probe(struct snd_soc_codec *codec) if (ret < 0) return ret; + /* set up pin config */ + val = 0; + for (i = 0; i < 6; i++) + val |= adau1701->pin_config[i] << (i * 4); + + regmap_write(adau1701->regmap, ADAU1701_PINCONF_0, val); + + val = 0; + for (i = 0; i < 6; i++) + val |= adau1701->pin_config[i + 6] << (i * 4); + + regmap_write(adau1701->regmap, ADAU1701_PINCONF_1, val); + return 0; } @@ -662,6 +683,13 @@ static int adau1701_i2c_probe(struct i2c_client *client, "adi,pll-mode-gpios", 1); if (gpio_pll_mode[1] < 0 && gpio_pll_mode[1] != -ENOENT) return gpio_pll_mode[1]; + + of_property_read_u32(dev->of_node, "adi,pll-clkdiv", + &adau1701->pll_clkdiv); + + of_property_read_u8_array(dev->of_node, "adi,pin-config", + adau1701->pin_config, + ARRAY_SIZE(adau1701->pin_config)); } if (gpio_is_valid(gpio_nreset)) { |