On 29/07/2022 04:10, Shengjiu Wang wrote: > Convert the NXP SAI binding to DT schema format using json-schema. > > The Synchronous Audio Interface (SAI) provides an interface that > supports full-duplex serial interfaces with frame synchronization > formats such as I2S, AC97, TDM, and codec/DSP interfaces. > > Beside conversion, 'fsl,shared-interrupt' and '#sound-dai-cells' > are added for they are already used by some dts. > > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> > --- > changes in v3 > - address comments from Krzysztof > > changes in v2 > - fix exclusive property issue > - fix order issue of compatible, clock-names, dma-names > > .../devicetree/bindings/sound/fsl,sai.yaml | 221 ++++++++++++++++++ > .../devicetree/bindings/sound/fsl-sai.txt | 95 -------- > 2 files changed, 221 insertions(+), 95 deletions(-) > create mode 100644 Documentation/devicetree/bindings/sound/fsl,sai.yaml > delete mode 100644 Documentation/devicetree/bindings/sound/fsl-sai.txt > > diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml > new file mode 100644 > index 000000000000..86ee46755b0c > --- /dev/null > +++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml > @@ -0,0 +1,221 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/sound/fsl,sai.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Freescale Synchronous Audio Interface (SAI). > + > +maintainers: > + - Shengjiu Wang <shengjiu.wang@xxxxxxx> > + > +description: | > + The SAI is based on I2S module that used communicating with audio codecs, > + which provides a synchronous audio interface that supports fullduplex > + serial interfaces with frame synchronization such as I2S, AC97, TDM, and > + codec/DSP interfaces. > + > +properties: > + compatible: > + oneOf: > + - enum: > + - fsl,vf610-sai > + - fsl,imx6sx-sai > + - fsl,imx6ul-sai > + - fsl,imx7ulp-sai > + - fsl,imx8mq-sai > + - fsl,imx8qm-sai > + - fsl,imx8ulp-sai > + - items: > + - enum: > + - fsl,imx8mm-sai > + - fsl,imx8mn-sai > + - fsl,imx8mp-sai > + - const: fsl,imx8mq-sai > + > + reg: > + maxItems: 1 > + > + interrupts: > + items: > + - description: receive and transmit interrupt > + > + dmas: > + maxItems: 2 > + > + dma-names: > + maxItems: 2 > + > + clocks: > + items: > + - description: The ipg clock for register access > + - description: master clock source 0 (obsoleted) > + - description: master clock source 1 > + - description: master clock source 2 > + - description: master clock source 3 > + - description: PLL clock source for 8kHz series > + - description: PLL clock source for 11kHz series > + minItems: 4 > + > + clock-names: > + oneOf: > + - items: > + - const: bus > + - const: mclk0 > + - const: mclk1 > + - const: mclk2 > + - const: mclk3 > + - const: pll8k > + - const: pll11k > + minItems: 4 > + - items: > + - const: bus > + - const: mclk1 > + - const: mclk2 > + - const: mclk3 > + - const: pll8k > + - const: pll11k > + minItems: 4 > + > + lsb-first: > + $ref: /schemas/types.yaml#/definitions/flag > + description: | > + Configures whether the LSB or the MSB is transmitted > + first for the fifo data. If this property is absent, > + the MSB is transmitted first as default, or the LSB > + is transmitted first. > + type: boolean The type: boolean goes instead of $ref, not additionally to it. Just like below... > + > + big-endian: > + description: | > + required if all the SAI registers are big-endian rather than little-endian. > + type: boolean ... be consistent. > + > + fsl,sai-synchronous-rx: > + $ref: /schemas/types.yaml#/definitions/flag > + description: | > + SAI will work in the synchronous mode (sync Tx with Rx) which means > + both the transmitter and the receiver will send and receive data by > + following receiver's bit clocks and frame sync clocks. > + type: boolean > + Best regards, Krzysztof
