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Commit 5949dae3 authored by Baoyou Xie's avatar Baoyou Xie Committed by Mark Brown
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ASoC: zx-tdm: add bindings doc for zte's tdm controller 



This patch adds dt-binding documentation for zte's tdm controller.

Signed-off-by: default avatarBaoyou Xie <baoyou.xie@linaro.org>
Reviewed-by: default avatarShawn Guo <shawnguo@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 141dee78

Documentation/devicetree/bindings/sound/zte,tdm.txt

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ZTE TDM DAI driver



Required properties:



- compatible : should be one of the following.

       * zte,zx296718-tdm

- reg : physical base address of the controller and length of memory mapped

    region.

- clocks : Pairs of phandle and specifier referencing the controller's clocks.

- clock-names: "wclk" for the wclk.

               "pclk" for the pclk.

-#clock-cells: should be 1.

- zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling

    the dma. includes:

	phandle of sysctrl.

	register offset in sysctrl for control dma.

	mask of the register that be written to sysctrl.



Example:



	tdm: tdm@1487000 {

		compatible = "zte,zx296718-tdm";

		reg = <0x01487000 0x1000>;

		clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>;

		clock-names = "wclk", "pclk";

		#clock-cells = <1>;

		pinctrl-names = "default";

		pinctrl-0 = <&tdm_global_pin>;

		zte,tdm-dma-sysctrl = <&sysctrl 0x10c 4>;

	};