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Commit 5b16c8b1 authored by olivier moysan's avatar olivier moysan Committed by Mark Brown
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ASoC: stm32: sai: fix DT example 



Correct the device tree example.

Signed-off-by: default avatarolivier moysan <olivier.moysan@st.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent e7cc49b8

Documentation/devicetree/bindings/sound/st,stm32-sai.txt

+10 −15
Original line number Diff line number Diff line
@@ -36,6 +36,10 @@ SAI subnodes required properties: 
  - pinctrl-names: should contain only value "default"

  - pinctrl-0: see Documentation/devicetree/bindings/pinctrl/pinctrl-stm32.txt



The device node should contain one 'port' child node with one child 'endpoint'

node, according to the bindings defined in Documentation/devicetree/bindings/

graph.txt.



Example:

sound_card {

	compatible = "audio-graph-card";
@@ -46,16 +50,15 @@ sai1: sai1@40015800 { 
	compatible = "st,stm32f4-sai";

	#address-cells = <1>;

	#size-cells = <1>;

	ranges;

	ranges = <0 0x40015800 0x400>;

	reg = <0x40015800 0x4>;

	clocks = <&rcc 1 CLK_SAIQ_PDIV>, <&rcc 1 CLK_I2SQ_PDIV>;

	clock-names = "x8k", "x11k";

	interrupts = <87>;



	sai1b: audio-controller@40015824 {

		#sound-dai-cells = <0>;

		compatible = "st,stm32-sai-sub-b";

		reg = <0x40015824 0x1C>;

		reg = <0x24 0x1C>;

		clocks = <&rcc 1 CLK_SAI2>;

		clock-names = "sai_ck";

		dmas = <&dma2 5 0 0x400 0x0>;
@@ -63,18 +66,10 @@ sai1: sai1@40015800 { 
		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_sai1b>;



		ports {

			#address-cells = <1>;

			#size-cells = <0>;



			sai1b_port: port@0 {

				reg = <0>;

		sai1b_port: port {

			cpu_endpoint: endpoint {

				remote-endpoint = <&codec_endpoint>;

					audio-graph-card,format = "i2s";

					audio-graph-card,bitclock-master = <&codec_endpoint>;

					audio-graph-card,frame-master = <&codec_endpoint>;

				};

				format = "i2s";

			};

		};

	};