Add the missing properties as compatible, reg, sound-dai-cells. And then check this file using 'make dt_binding_check'. Signed-off-by: Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx> --- .../bindings/sound/irondevice,sma1303.yaml | 23 ++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml b/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml index 162c52606635..b36c35e5da1a 100644 --- a/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml +++ b/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml @@ -10,22 +10,39 @@ maintainers: - Kiseok Jo <kiseok.jo@xxxxxxxxxxxxxx> description: - SMA1303 digital class-D audio amplifier with an integrated boost converter. + SMA1303 digital class-D audio amplifier + with an integrated boost converter. allOf: - - $ref: name-prefix.yaml# + - $ref: dai-common.yaml# + +properties: + compatible: + enum: + - irondevice,sma1303 + + reg: + maxItems: 1 + + '#sound-dai-cells': + const: 1 required: - compatible - reg + - '#sound-dai-cells' additionalProperties: false examples: - | - i2c_bus { + i2c { + #address-cells = <1>; + #size-cells = <0>; + amplifier@1e { compatible = "irondevice,sma1303"; reg = <0x1e>; + #sound-dai-cells = <1>; }; }; -- 2.20.1