On Wed, Mar 05, 2025 at 10:24:23PM +0100, Nicolas Frattaroli wrote: > Rockchip introduced a new audio controller called the "Serial Audio > Interface", or "SAI" for short, on some of their newer SoCs. In > particular, this controller is used several times on the RK3576 SoC. > > Add a schema for it, with only an RK3576 compatible for now. Other SoCs > may follow as mainline support for them lands. > > Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/sound/rockchip,sai.yaml | 151 +++++++++++++++++++++ > MAINTAINERS | 6 + > 2 files changed, 157 insertions(+) > > diff --git a/Documentation/devicetree/bindings/sound/rockchip,sai.yaml b/Documentation/devicetree/bindings/sound/rockchip,sai.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..8f5a292a7f2a6c737d983d00cbe40ec45bfa6249 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/rockchip,sai.yaml > @@ -0,0 +1,151 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/rockchip,sai.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Rockchip Serial Audio Interface Controller > + > +description: > + The Rockchip Serial Audio Interface (SAI) controller is a flexible audio > + controller that implements the I2S, I2S/TDM and the PDM standards. > + > +maintainers: > + - Nicolas Frattaroli <nicolas.frattaroli@xxxxxxxxxxxxx> > + > +allOf: > + - $ref: dai-common.yaml# > + > +properties: > + compatible: > + const: rockchip,rk3576-sai > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + dmas: > + minItems: 1 > + maxItems: 2 > + > + dma-names: > + minItems: 1 > + maxItems: 2 > + oneOf: > + - const: tx > + - const: rx > + - items: > + - const: tx > + - const: rx You can simplify this to: minItems: 1 items: - enum: [tx, rx] - const: rx (By default, we require unique items, so '"rx", "rx"' won't be allowed. Rob
