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1* mvebu (Kirkwood, Dove, Armada 370) audio controller2 3Required properties:4 5- compatible:6 "marvell,kirkwood-audio" for Kirkwood platforms7 "marvell,dove-audio" for Dove platforms8 "marvell,armada370-audio" for Armada 370 platforms9 "marvell,armada-380-audio" for Armada 38x platforms10 11- reg: physical base address of the controller and length of memory mapped12 region (named "i2s_regs").13 With "marvell,armada-380-audio" two other regions are required:14 first of those is dedicated for Audio PLL Configuration registers15 (named "pll_regs") and the second one ("soc_ctrl") - for register16 where one of exceptive I/O types (I2S or S/PDIF) is set.17 18- interrupts:19 with "marvell,kirkwood-audio", the audio interrupt20 with "marvell,dove-audio", a list of two interrupts, the first for21 the data flow, and the second for errors.22 23- clocks: one or two phandles.24 The first one is mandatory and defines the internal clock.25 The second one is optional and defines an external clock.26 27- clock-names: names associated to the clocks:28 "internal" for the internal clock29 "extclk" for the external clock30 31Optional properties:32 33- spdif-mode:34 Enable S/PDIF mode on Armada 38x SoC. Using this property35 disables standard I2S I/O. Valid only with "marvell,armada-380-audio"36 compatible string.37 38Example:39 40i2s1: audio-controller@b4000 {41 compatible = "marvell,dove-audio";42 reg = <0xb4000 0x2210>;43 interrupts = <21>, <22>;44 clocks = <&gate_clk 13>;45 clock-names = "internal";46};47