On Tue, Aug 27, 2024 at 08:05:28PM +0200, Lukasz Majewski wrote: > This file allows correct check of DTS node for imx287 based > "fsl,imx28-saif" compatible device. > > It corresponds to Documentation/devicetree/bindings/fsl,imx28-saif > > Signed-off-by: Lukasz Majewski <lukma@xxxxxxx> > --- > .../devicetree/bindings/sound/fsl,saif.yaml | 79 +++++++++++++++++++ > 1 file changed, 79 insertions(+) There is a binding. Please perform conversion from TXT to DT schema, mentioning in commit msg any changes from pure conversion (e.g. new properties to match DTS). Few more comments below. > create mode 100644 Documentation/devicetree/bindings/sound/fsl,saif.yaml > > diff --git a/Documentation/devicetree/bindings/sound/fsl,saif.yaml b/Documentation/devicetree/bindings/sound/fsl,saif.yaml > new file mode 100644 > index 000000000000..747faa411a50 > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/fsl,saif.yaml > @@ -0,0 +1,79 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/fsl,saif.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale MXS Serial Audio Interface (SAIF) > + > +maintainers: > + - Lukasz Majewski <lukma@xxxxxxx> > + > +description: | Do not need '|' unless you need to preserve formatting. > + The SAIF is based on I2S module that is used to communicate with audio codecs, > + but only with half-duplex manner (i.e. it can either transmit or receive PCM > + audio). > + > +properties: > + compatible: > + const: fsl,imx28-saif > + > + reg: > + maxItems: 1 > + > + "#sound-dai-cells": > + const: 0 > + > + assigned-clock-parents: true > + assigned-clock-rates: true > + assigned-clocks: true These three should be dropped, redundant. > + > + interrupts: > + maxItems: 1 > + > + dmas: > + maxItems: 1 > + > + dma-names: > + const: rx-tx > + > + clocks: > + maxItems: 1 > + > + fsl,saif-master: > + description: Indicate that saif is a slave and its phandle points to master > + $ref: /schemas/types.yaml#/definitions/phandle > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - dmas > + - dma-names > + - "#sound-dai-cells" Keep the same order as in "properties:" block. and here allOf: with $ref to dai-common.yaml > + > +unevaluatedProperties: false > + > +examples: > + - | > + saif0: saif@80042000 { > + #sound-dai-cells = <0>; > + compatible = "fsl,imx28-saif"; > + reg = <0x80042000 2000>; > + interrupts = <59>; > + clocks = <&clks 53>; > + dmas = <&dma_apbx 4>; > + dma-names = "rx-tx"; > + }; > + - | > + saif1: saif@80046000 { Just one example, could be this one as more complete. > + #sound-dai-cells = <0>; Keep it after "reg" (compatible and reg are always first). Best regards, Krzysztof