diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2021-09-01 11:18:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-09-13 01:48:09 +0100 |
| commit | 5bd5699c494f42a3c23e377bb35be5d716b85012 (patch) | |
| tree | 0ff77d29a460f46ff90e6377bb0e00e317be2ae8 /Documentation | |
| parent | 0c7985e1b90c1eabc75b01f971eb89733cc51979 (diff) | |
ASoC: dt-bindings: Add WM8978 Binding
Even though we had the wm8978 driver for some time and a number of
boards using it already, we never had a binding for it. Let's add it
based on what the driver expects and the boards are providing.
Cc: alsa-devel@alsa-project.org
Cc: devicetree@vger.kernel.org
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: patches@opensource.cirrus.com
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210901091852.479202-2-maxime@cerno.tech
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/wlf,wm8978.yaml | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml new file mode 100644 index 000000000000..944e5859c962 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/wlf,wm8978.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Wolfson WM8978 Codec Device Tree Bindings + +maintainers: + - patches@opensource.cirrus.com + +properties: + '#sound-dai-cells': + const: 0 + + compatible: + const: wlf,wm8978 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 526000 + +required: + - '#sound-dai-cells' + - compatible + - reg + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + codec@0 { + #sound-dai-cells = <0>; + compatible = "wlf,wm8978"; + reg = <0>; + spi-max-frequency = <500000>; + }; + }; + + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + codec@0 { + #sound-dai-cells = <0>; + compatible = "wlf,wm8978"; + reg = <0>; + }; + }; + +... |