On Wed, Jul 21, 2021 at 04:03:31PM +0200, Maxime Ripard wrote:
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 Signed-off-by: Maxime Ripard maxime@cerno.tech
.../devicetree/bindings/sound/wlf,wm8978.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8978.yaml
diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml new file mode 100644 index 000000000000..6761380261e3 --- /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:
- Mark Brown broonie@kernel.org
No one from Wolfson cares about this device?
Otherwise,
Reviewed-by: Rob Herring robh@kernel.org
+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>;};- };
+...
2.31.1