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Commit 6f67c380 authored by Anatol Pomozov's avatar Anatol Pomozov Committed by Mark Brown
Browse files

ASoC: rt5677: Add dts properties for input/output differential configuration 



Signed-off-by: default avatarAnatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0e612ff1

Documentation/devicetree/bindings/sound/rt5677.txt

+9 −0
Original line number Diff line number Diff line
@@ -19,6 +19,14 @@ Optional properties: 


- realtek,pow-ldo2-gpio : The GPIO that controls the CODEC's POW_LDO2 pin.



- realtek,in1-differential

- realtek,in2-differential

- realtek,lout1-differential

- realtek,lout2-differential

- realtek,lout3-differential

  Boolean. Indicate MIC1/2 input and LOUT1/2/3 outputs are differential,

  rather than single-ended.



Pins on the device (for linking into audio routes):



  * IN1P
@@ -47,4 +55,5 @@ rt5677 { 


	realtek,pow-ldo2-gpio =

		<&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;

	realtek,in1-differential = "true";

};

include/sound/rt5677.h

+4 −1
Original line number Diff line number Diff line
@@ -19,9 +19,12 @@ enum rt5677_dmic2_clk { 




struct rt5677_platform_data {

	/* IN1 IN2 can optionally be differential */

	/* IN1/IN2/LOUT1/LOUT2/LOUT3 can optionally be differential */

	bool in1_diff;

	bool in2_diff;

	bool lout1_diff;

	bool lout2_diff;

	bool lout3_diff;

	/* DMIC2 clock source selection */

	enum rt5677_dmic2_clk dmic2_clk_pin;

};

sound/soc/codecs/rt5677.c

+23 −0
Original line number Diff line number Diff line
@@ -3569,6 +3569,17 @@ MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id); 


static int rt5677_parse_dt(struct rt5677_priv *rt5677, struct device_node *np)

{

	rt5677->pdata.in1_diff = of_property_read_bool(np,

					"realtek,in1-differential");

	rt5677->pdata.in2_diff = of_property_read_bool(np,

					"realtek,in2-differential");

	rt5677->pdata.lout1_diff = of_property_read_bool(np,

					"realtek,lout1-differential");

	rt5677->pdata.lout2_diff = of_property_read_bool(np,

					"realtek,lout2-differential");

	rt5677->pdata.lout3_diff = of_property_read_bool(np,

					"realtek,lout3-differential");



	rt5677->pow_ldo2 = of_get_named_gpio(np,

					"realtek,pow-ldo2-gpio", 0);
@@ -3660,6 +3671,18 @@ static int rt5677_i2c_probe(struct i2c_client *i2c, 
		regmap_update_bits(rt5677->regmap, RT5677_IN1,

					RT5677_IN_DF2, RT5677_IN_DF2);



	if (rt5677->pdata.lout1_diff)

		regmap_update_bits(rt5677->regmap, RT5677_LOUT1,

					RT5677_LOUT1_L_DF, RT5677_LOUT1_L_DF);



	if (rt5677->pdata.lout2_diff)

		regmap_update_bits(rt5677->regmap, RT5677_LOUT1,

					RT5677_LOUT2_L_DF, RT5677_LOUT2_L_DF);



	if (rt5677->pdata.lout3_diff)

		regmap_update_bits(rt5677->regmap, RT5677_LOUT1,

					RT5677_LOUT3_L_DF, RT5677_LOUT3_L_DF);



	if (rt5677->pdata.dmic2_clk_pin == RT5677_DMIC_CLK2) {

		regmap_update_bits(rt5677->regmap, RT5677_GEN_CTRL2,

					RT5677_GPIO5_FUNC_MASK,