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ASoC: rt5682s: Add LDO output selection for dacref

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Add LDO output selection for dacref.

Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/62cad4e51c044108bad872ab349e36f8@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jack Yu 2023-11-13 10:37:15 +00:00 committed by Mark Brown
parent d3534684ad
commit 577d715448
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 38 additions and 0 deletions
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8
include/sound/rt5682s.h
View File

@ -31,6 +31,13 @@ enum rt5682s_dai_clks {
RT5682S_DAI_NUM_CLKS,
};
enum {
RT5682S_LDO_1_607V,
RT5682S_LDO_1_5V,
RT5682S_LDO_1_406V,
RT5682S_LDO_1_731V,
};
struct rt5682s_platform_data {
enum rt5682s_dmic1_data_pin dmic1_data_pin;
enum rt5682s_dmic1_clk_pin dmic1_clk_pin;
@ -38,6 +45,7 @@ struct rt5682s_platform_data {
unsigned int dmic_clk_rate;
unsigned int dmic_delay;
unsigned int amic_delay;
unsigned int ldo_dacref;
bool dmic_clk_driving_high;
const char *dai_clk_names[RT5682S_DAI_NUM_CLKS];

23
sound/soc/codecs/rt5682s.c
View File

@ -2971,6 +2971,8 @@ static int rt5682s_parse_dt(struct rt5682s_priv *rt5682s, struct device *dev)
&rt5682s->pdata.dmic_delay);
device_property_read_u32(dev, "realtek,amic-delay-ms",
&rt5682s->pdata.amic_delay);
device_property_read_u32(dev, "realtek,ldo-sel",
&rt5682s->pdata.ldo_dacref);
if (device_property_read_string_array(dev, "clock-output-names",
rt5682s->pdata.dai_clk_names,
@ -3250,6 +3252,27 @@ static int rt5682s_i2c_probe(struct i2c_client *i2c)
break;
}
/* LDO output voltage control */
switch (rt5682s->pdata.ldo_dacref) {
case RT5682S_LDO_1_607V:
break;
case RT5682S_LDO_1_5V:
regmap_update_bits(rt5682s->regmap, RT5682S_BIAS_CUR_CTRL_7,
RT5682S_LDO_DACREF_MASK, RT5682S_LDO_DACREF_1_5V);
break;
case RT5682S_LDO_1_406V:
regmap_update_bits(rt5682s->regmap, RT5682S_BIAS_CUR_CTRL_7,
RT5682S_LDO_DACREF_MASK, RT5682S_LDO_DACREF_1_406V);
break;
case RT5682S_LDO_1_731V:
regmap_update_bits(rt5682s->regmap, RT5682S_BIAS_CUR_CTRL_7,
RT5682S_LDO_DACREF_MASK, RT5682S_LDO_DACREF_1_731V);
break;
default:
dev_warn(&i2c->dev, "invalid LDO output setting.\n");
break;
}
INIT_DELAYED_WORK(&rt5682s->jack_detect_work, rt5682s_jack_detect_handler);
INIT_DELAYED_WORK(&rt5682s->jd_check_work, rt5682s_jd_check_handler);

7
sound/soc/codecs/rt5682s.h
View File

@ -1263,6 +1263,13 @@
#define RT5682S_JDH_NO_PLUG (0x1 << 4)
#define RT5682S_JDH_PLUG (0x0 << 4)
/* Bias current control 7 (0x0110) */
#define RT5682S_LDO_DACREF_MASK (0x3 << 4)
#define RT5682S_LDO_DACREF_1_607V (0x0 << 4)
#define RT5682S_LDO_DACREF_1_5V (0x1 << 4)
#define RT5682S_LDO_DACREF_1_406V (0x2 << 4)
#define RT5682S_LDO_DACREF_1_731V (0x3 << 4)
/* Charge Pump Internal Register1 (0x0125) */
#define RT5682S_CP_CLK_HP_MASK (0x3 << 4)
#define RT5682S_CP_CLK_HP_100KHZ (0x0 << 4)