diff options
| author | Mark Brown <broonie@kernel.org> | 2023-01-09 16:29:02 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-01-09 16:29:02 +0000 |
| commit | 6c45b2d68526d24a51118c45e3598390ae3a1595 (patch) | |
| tree | 46f113f0843665e53b4bec048f0ee7664db0e49a | |
| parent | 8c187e2212347752097843fdda814da092436f90 (diff) | |
| parent | 968b42069fe5dab362b623c6b8a1565709a12f5b (diff) | |
ASoC: nau8822: add speaker Bridge Tied Output
Merge series from Francesco Dolcini <francesco@dolcini.it>:
Add support for BTL (Bridge Tied Load) configuration to NAU8822 audio codec,
since this requires adding a new property to the binding convert it from
txt to yaml first.
| -rw-r--r-- | Documentation/devicetree/bindings/sound/nau8822.txt | 16 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/sound/nuvoton,nau8822.yaml | 40 | ||||
| -rw-r--r-- | sound/soc/codecs/nau8822.c | 9 | ||||
| -rw-r--r-- | sound/soc/codecs/nau8822.h | 9 |
4 files changed, 58 insertions, 16 deletions
diff --git a/Documentation/devicetree/bindings/sound/nau8822.txt b/Documentation/devicetree/bindings/sound/nau8822.txt deleted file mode 100644 index a471d162d4e5..000000000000 --- a/Documentation/devicetree/bindings/sound/nau8822.txt +++ /dev/null @@ -1,16 +0,0 @@ -NAU8822 audio CODEC - -This device supports I2C only. - -Required properties: - - - compatible : "nuvoton,nau8822" - - - reg : the I2C address of the device. - -Example: - -codec: nau8822@1a { - compatible = "nuvoton,nau8822"; - reg = <0x1a>; -}; diff --git a/Documentation/devicetree/bindings/sound/nuvoton,nau8822.yaml b/Documentation/devicetree/bindings/sound/nuvoton,nau8822.yaml new file mode 100644 index 000000000000..2810924e3a47 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nuvoton,nau8822.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nuvoton,nau8822.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NAU8822 audio CODEC + +description: | + 24 bit stereo audio codec with speaker driver. + This device supports I2C/SPI. + +maintainers: + - David Lin <CTLIN0@nuvoton.com> + +properties: + compatible: + enum: + - nuvoton,nau8822 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + codec@1a { + compatible = "nuvoton,nau8822"; + reg = <0x1a>; + }; + }; diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c index 1aef281a9972..d5006d8de639 100644 --- a/sound/soc/codecs/nau8822.c +++ b/sound/soc/codecs/nau8822.c @@ -1056,6 +1056,7 @@ static const int update_reg[] = { static int nau8822_probe(struct snd_soc_component *component) { int i; + struct device_node *of_node = component->dev->of_node; /* * Set the update bit in all registers, that have one. This way all @@ -1066,6 +1067,14 @@ static int nau8822_probe(struct snd_soc_component *component) snd_soc_component_update_bits(component, update_reg[i], 0x100, 0x100); + /* Check property to configure the two loudspeaker outputs as + * a single Bridge Tied Load output + */ + if (of_property_read_bool(of_node, "nuvoton,spk-btl")) + snd_soc_component_update_bits(component, + NAU8822_REG_RIGHT_SPEAKER_CONTROL, + NAU8822_RSUBBYP, NAU8822_RSUBBYP); + return 0; } diff --git a/sound/soc/codecs/nau8822.h b/sound/soc/codecs/nau8822.h index 547ec057f853..646f6bb64bc5 100644 --- a/sound/soc/codecs/nau8822.h +++ b/sound/soc/codecs/nau8822.h @@ -187,6 +187,15 @@ /* NAU8822_REG_PLL_K3 (0x27) */ #define NAU8822_PLLK3_MASK 0x1FF +/* NAU8822_REG_RIGHT_SPEAKER_CONTROL (0x2B) */ +#define NAU8822_RMIXMUT 0x20 +#define NAU8822_RSUBBYP 0x10 + +#define NAU8822_RAUXRSUBG_SFT 1 +#define NAU8822_RAUXRSUBG_MASK 0x0E + +#define NAU8822_RAUXSMUT 0x01 + /* System Clock Source */ enum { NAU8822_CLK_MCLK, |