This allows users to change SDATA and both PDM clocks pins drive strength during device probing according to their need.

Update yaml documentation accordingly.

Signed-off-by: Dylan Laduranty dylan.laduranty@mesotic.com --- .../bindings/sound/adi,adau7118.yaml | 24 +++++++ sound/soc/codecs/adau7118.c | 62 +++++++++++++++++-- 2 files changed, 82 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml index fb78967ee17b..71e8a9ff2edf 100644 --- a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml +++ b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml @@ -51,6 +51,27 @@ properties: maximum: 1 default: [0, 0, 1, 1]

+ adi,pdm-clk0-ds: + description: | + This property set the drive strength of PDM CLK0 output pad. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [3, 2, 1, 0] + default: 2 + + adi,pdm-clk1-ds: + description: | + This property set the drive strength of PDM CLK1 output pad. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [3, 2, 1, 0] + default: 2 + + adi,sdata-ds: + description: | + This property set the drive strength of SDATA output pad. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [3, 2, 1, 0] + default: 2 + required: - "#sound-dai-cells" - compatible @@ -73,6 +94,9 @@ examples: dvdd-supply = <&supply>; adi,pdm-clk-map = <1 1 0 0>; adi,decimation-ratio = <16>; + adi,pdm-clk0-ds = <3>; + adi,pdm-clk1-ds = <3>; + adi,sdata-ds = <3>; }; };

diff --git a/sound/soc/codecs/adau7118.c b/sound/soc/codecs/adau7118.c index 841229dcbca1..18c1f246f911 100644 --- a/sound/soc/codecs/adau7118.c +++ b/sound/soc/codecs/adau7118.c @@ -29,6 +29,12 @@ FIELD_PREP(ADAU7118_LRCLK_BCLK_POL_MASK, x) #define ADAU7118_SPT_SLOT_MASK GENMASK(7, 4) #define ADAU7118_SPT_SLOT(x) FIELD_PREP(ADAU7118_SPT_SLOT_MASK, x) +#define ADAU7118_DS_PDM_CLK0_MASK GENMASK(1, 0) +#define ADAU7118_DS_PDM_CLK0(x) FIELD_PREP(ADAU7118_DS_PDM_CLK0_MASK, x) +#define ADAU7118_DS_PDM_CLK1_MASK GENMASK(3, 2) +#define ADAU7118_DS_PDM_CLK1(x) FIELD_PREP(ADAU7118_DS_PDM_CLK1_MASK, x) +#define ADAU7118_DS_SDATA_MASK GENMASK(5, 4) +#define ADAU7118_DS_SDATA(x) FIELD_PREP(ADAU7118_DS_SDATA_MASK, x) #define ADAU7118_FULL_SOFT_R_MASK BIT(1) #define ADAU7118_FULL_SOFT_R(x) FIELD_PREP(ADAU7118_FULL_SOFT_R_MASK, x)

@@ -489,7 +495,7 @@ static int adau7118_regulator_setup(struct adau7118_data *st) static int adau7118_parset_dt(const struct adau7118_data *st) { int ret; - u32 dec_ratio = 0; + u32 val32 = 0; /* 4 inputs */ u32 clk_map[4], regval;

@@ -497,9 +503,9 @@ static int adau7118_parset_dt(const struct adau7118_data *st) return 0;

ret = device_property_read_u32(st->dev, "adi,decimation-ratio", - &dec_ratio); + &val32); if (!ret) { - switch (dec_ratio) { + switch (val32) { case 64: regval = ADAU7118_DEC_RATIO(0); break; @@ -510,7 +516,7 @@ static int adau7118_parset_dt(const struct adau7118_data *st) regval = ADAU7118_DEC_RATIO(2); break; default: - dev_err(st->dev, "Invalid dec ratio: %u", dec_ratio); + dev_err(st->dev, "Invalid dec ratio: %u", val32); return -EINVAL; }

@@ -537,6 +543,54 @@ static int adau7118_parset_dt(const struct adau7118_data *st) return ret; }

+ ret = device_property_read_u32(st->dev, "adi,pdm-clk0-ds", + &val32); + if (!ret) { + if (val32 > 3) { + dev_err(st->dev, "Invalid pdm-clk0-ds: %u", val32); + return -EINVAL; + } + + ret = regmap_update_bits(st->map, + ADAU7118_REG_DRIVE_STRENGTH, + ADAU7118_DS_PDM_CLK0_MASK, + ADAU7118_DS_PDM_CLK0(val32)); + if (ret) + return ret; + } + + ret = device_property_read_u32(st->dev, "adi,pdm-clk1-ds", + &val32); + if (!ret) { + if (val32 > 3) { + dev_err(st->dev, "Invalid pdm-clk1-ds: %u", val32); + return -EINVAL; + } + + ret = regmap_update_bits(st->map, + ADAU7118_REG_DRIVE_STRENGTH, + ADAU7118_DS_PDM_CLK1_MASK, + ADAU7118_DS_PDM_CLK1(val32)); + if (ret) + return ret; + } + + ret = device_property_read_u32(st->dev, "adi,sdata-ds", + &val32); + if (!ret) { + if (val32 > 3) { + dev_err(st->dev, "Invalid sdata-ds: %u", val32); + return -EINVAL; + } + + ret = regmap_update_bits(st->map, + ADAU7118_REG_DRIVE_STRENGTH, + ADAU7118_DS_SDATA_MASK, + ADAU7118_DS_SDATA(val32)); + if (ret) + return ret; + } + return 0; }