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@xxxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Cc: Liam Girdwood <lgirdwood@xxxxxxxxx> > Cc: Mark Brown <broonie@xxxxxxxxxx> > Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx> > --- > .../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@xxxxxxxxxx> No one from Wolfson cares about this device? Otherwise, Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > + > +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 > >
