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1* Broadcom BCM2835 SoC I2S/PCM module2 3Required properties:4- compatible: "brcm,bcm2835-i2s"5- reg: Should contain PCM registers location and length.6- clocks: the (PCM) clock to use7- dmas: List of DMA controller phandle and DMA request line ordered pairs.8- dma-names: Identifier string for each DMA request line in the dmas property.9 These strings correspond 1:1 with the ordered pairs in dmas.10 11 One of the DMA channels will be responsible for transmission (should be12 named "tx") and one for reception (should be named "rx").13 14Example:15 16bcm2835_i2s: i2s@7e203000 {17 compatible = "brcm,bcm2835-i2s";18 reg = <0x7e203000 0x24>;19 clocks = <&clocks BCM2835_CLOCK_PCM>;20 21 dmas = <&dma 2>,22 <&dma 3>;23 dma-names = "tx", "rx";24};25