fsl,fifo-depth have default value 64 in driver(sound/soc/fsl/fsl_esai.c). fsl,esai-synchronous is flag(bool) type. It doesn't make sense to put flag type into 'required'. Fix warning: arch/arm/boot/dts/nxp/imx/imx6q-sabreauto.dtb: esai@2024000: 'fsl,fifo-depth' is a required property arch/arm/boot/dts/nxp/imx/imx6q-sabreauto.dtb: esai@2024000: 'fsl,esai-synchronous' is a required property Signed-off-by: Frank Li <Frank.Li@xxxxxxx> --- Documentation/devicetree/bindings/sound/fsl,esai.yaml | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/fsl,esai.yaml b/Documentation/devicetree/bindings/sound/fsl,esai.yaml index f167f1634d7e3..66f20ecaa42b4 100644 --- a/Documentation/devicetree/bindings/sound/fsl,esai.yaml +++ b/Documentation/devicetree/bindings/sound/fsl,esai.yaml @@ -70,7 +70,7 @@ properties: description: The number of elements in the transmit and receive FIFOs. This number is the maximum allowed value for - TFCR[TFWM] or RFCR[RFWM]. + TFCR[TFWM] or RFCR[RFWM]. Default value is 64. fsl,esai-synchronous: $ref: /schemas/types.yaml#/definitions/flag @@ -95,8 +95,6 @@ required: - clock-names - dmas - dma-names - - fsl,fifo-depth - - fsl,esai-synchronous unevaluatedProperties: false -- 2.34.1