diff options
| author | Chancel Liu <chancel.liu@nxp.com> | 2026-06-03 18:50:40 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-06-03 12:56:56 +0100 |
| commit | 596f8d6494449d5bac7bb7b4e613bfe47d0a965b (patch) | |
| tree | 8415f3af690718cc13afdbdbf2b39958aa78660e | |
| parent | e43ffb69e0438cddd72aaa30898b4dc446f664f8 (diff) | |
ASoC: dt-bindings: cirrus,cs42xx8: Add SPI bus support
Codec CS42448/CS42888 supports multiple control interfaces. At present,
only the I2C interface is implemented. Adding support for the SPI
control interface, operating at up to 6MHz.
Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260603095041.3906558-2-chancel.liu@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/cirrus,cs42xx8.yaml | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs42xx8.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs42xx8.yaml index 7ae72bd901f4..a1ae548c4b7b 100644 --- a/Documentation/devicetree/bindings/sound/cirrus,cs42xx8.yaml +++ b/Documentation/devicetree/bindings/sound/cirrus,cs42xx8.yaml @@ -11,6 +11,7 @@ maintainers: allOf: - $ref: dai-common.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# properties: compatible: @@ -21,6 +22,9 @@ properties: reg: maxItems: 1 + spi-max-frequency: + maximum: 6000000 + clocks: minItems: 1 maxItems: 2 @@ -86,3 +90,22 @@ examples: reset-gpios = <&gpio 1>; }; }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&gpio 8 0>; + + codec@0 { + compatible = "cirrus,cs42888"; + reg = <0>; + spi-max-frequency = <6000000>; + clocks = <&codec_mclk 0>; + clock-names = "mclk"; + VA-supply = <®_audio>; + VD-supply = <®_audio>; + VLS-supply = <®_audio>; + VLC-supply = <®_audio>; + reset-gpios = <&gpio 1>; + }; + }; |