Based on kernel version 6.11
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | * Broadcom BCM2835 SoC I2S/PCM module Required properties: - compatible: "brcm,bcm2835-i2s" - reg: Should contain PCM registers location and length. - clocks: the (PCM) clock to use - dmas: List of DMA controller phandle and DMA request line ordered pairs. - dma-names: Identifier string for each DMA request line in the dmas property. These strings correspond 1:1 with the ordered pairs in dmas. One of the DMA channels will be responsible for transmission (should be named "tx") and one for reception (should be named "rx"). Example: bcm2835_i2s: i2s@7e203000 { compatible = "brcm,bcm2835-i2s"; reg = <0x7e203000 0x24>; clocks = <&clocks BCM2835_CLOCK_PCM>; dmas = <&dma 2>, <&dma 3>; dma-names = "tx", "rx"; }; |