1ZTE ZX296702 I2S controller 2 3Required properties: 4 - compatible : Must be "zte,zx296702-i2s" 5 - reg : Must contain I2S core's registers location and length 6 - clocks : Pairs of phandle and specifier referencing the controller's clocks. 7 - clock-names: "tx" for the clock to the I2S interface. 8 - dmas: Pairs of phandle and specifier for the DMA channel that is used by 9 the core. The core expects two dma channels for transmit. 10 - dma-names : Must be "tx" and "rx" 11 12For more details on the 'dma', 'dma-names', 'clock' and 'clock-names' properties 13please check: 14 * resource-names.txt 15 * clock/clock-bindings.txt 16 * dma/dma.txt 17 18Example: 19 i2s0: i2s0@0b005000 { 20 #sound-dai-cells = <0>; 21 compatible = "zte,zx296702-i2s"; 22 reg = <0x0b005000 0x1000>; 23 clocks = <&lsp0clk ZX296702_I2S0_DIV>; 24 clock-names = "tx"; 25 interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; 26 dmas = <&dma 5>, <&dma 6>; 27 dma-names = "tx", "rx"; 28 status = "okay"; 29 }; 30 31 sound { 32 compatible = "simple-audio-card"; 33 simple-audio-card,name = "zx296702_snd"; 34 simple-audio-card,format = "left_j"; 35 simple-audio-card,bitclock-master = <&sndcodec>; 36 simple-audio-card,frame-master = <&sndcodec>; 37 sndcpu: simple-audio-card,cpu { 38 sound-dai = <&i2s0>; 39 }; 40 41 sndcodec: simple-audio-card,codec { 42 sound-dai = <&acodec>; 43 }; 44 }; 45