Commit 18960771 authored by Marcin Wojtas's avatar Marcin Wojtas Committed by Gregory CLEMENT
Browse files

ARM: mvebu: add audio support to Armada 385 DB 



This commit adds the necessary Device Tree information to enable
audio support on the Armada 385 DB platform. In details it:

 * Instantiates the CS42L51 audio codec on the I2C0 bus

 * Adds simple-card DT binding for audio on Armada 385 DB

 * Adds description for both analog I2S and S/PDIF I/O

 * Disabled by default

Signed-off-by: default avatarMarcin Wojtas <mw@semihalf.com>
Signed-off-by: default avatarNadav Haklai <nadavh@marvell.com>
Tested-by: default avatarStar_Automation <star@marvell.com>
Tested-by: default avatarLior Amsalem <alior@marvell.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarGregory CLEMENT <gregory.clement@bootlin.com>
parent 72ef30aa

arch/arm/boot/dts/armada-388-db.dts

+69 −0
Original line number Diff line number Diff line
@@ -36,6 +36,11 @@ internal-regs { 
			i2c@11000 {

				status = "okay";

				clock-frequency = <100000>;

				audio_codec: audio-codec@4a {

					#sound-dai-cells = <0>;

					compatible = "cirrus,cs42l51";

					reg = <0x4a>;

				};

			};



			i2c@11100 {
@@ -99,6 +104,12 @@ sdhci@d8000 { 
				no-1-8-v;

			};



			audio-controller@e8000 {

				pinctrl-0 = <&i2s_pins>;

				pinctrl-names = "default";

				status = "disabled";

			};



			usb3@f0000 {

				status = "okay";

			};
@@ -128,6 +139,64 @@ pcie@2,0 { 
			};

		};

	};



	sound {

		compatible = "simple-audio-card";

		simple-audio-card,name = "Armada 385 DB Audio";

		simple-audio-card,mclk-fs = <256>;

		simple-audio-card,widgets =

			"Headphone", "Out Jack",

			"Line", "In Jack";

		simple-audio-card,routing =

			"Out Jack", "HPL",

			"Out Jack", "HPR",

			"AIN1L", "In Jack",

			"AIN1R", "In Jack";

		status = "disabled";



		simple-audio-card,dai-link@0 {

			format = "i2s";

			cpu {

				sound-dai = <&audio_controller 0>;

			};



			codec {

				sound-dai = <&audio_codec>;

			};

		};



		simple-audio-card,dai-link@1 {

			format = "i2s";

			cpu {

				sound-dai = <&audio_controller 1>;

			};



			codec {

				sound-dai = <&spdif_out>;

			};

		};



		simple-audio-card,dai-link@2 {

			format = "i2s";

			cpu {

				sound-dai = <&audio_controller 1>;

			};



			codec {

				sound-dai = <&spdif_in>;

			};

		};

	};



	spdif_out: spdif-out {

		#sound-dai-cells = <0>;

		compatible = "linux,spdif-dit";

	};



	spdif_in: spdif-in {

		#sound-dai-cells = <0>;

		compatible = "linux,spdif-dir";

	};

};



&spi0 {