ASoC: Improve hi6210-i2s DT bindings (86666c08) · Commits · 戴 / test

This patch improves the previously submitted hi6210-i2s DT binding, adding extra details to how the multi-dai index value maps to the potential interfaces. (Currently just index 0 -> the S2 interface, as there is only one supported, but in the future other interfaces may be enabled.) Signed-off-by:

John Stultz <john.stultz@linaro.org> Signed-off-by:

Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt

+8 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,10 @@ Required properties:
		- dma-names: should be "tx" and "rx"
		- hisilicon,sysctrl-syscon: phandle to sysctrl syscon
		- #sound-dai-cells: Should be set to 1 (for multi-dai)
		- The dai cell indexes reference the following interfaces:
		0: S2 interface
		(Currently that is the only one available, but more may be
		supported in the future)

		Example for the hi6210 i2s controller:

		@@ -32,3 +36,7 @@ i2s0: i2s@f7118000{
		hisilicon,sysctrl-syscon = <&sys_ctrl>;
		#sound-dai-cells = <1>;
		};

		Then when referencing the i2s controller:
		sound-dai = <&i2s0 0>; /* index 0 => S2 interface */

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