Re: [PATCH 01/54] ASoC: dt-bindings: Add WM8978 Binding
From: Rob Herring <robh@kernel.org>
Date: 2021-07-23 21:32:55
Also in:
alsa-devel, linux-devicetree
On Wed, Jul 21, 2021 at 04:03:31PM +0200, Maxime Ripard wrote:
quoted hunk ↗ jump to hunk
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 <redacted> --- .../devicetree/bindings/sound/wlf,wm8978.yaml | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8978.yamldiff --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
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