Commit 9b4176ae authored by Marek Vasut's avatar Marek Vasut Committed by Shawn Guo
Browse files

arm64: dts: imx8mp: Add analog audio output on i.MX8MP EVK 



Enable SAI3 on i.MX8MP EVK, add WM8960 codec binding and regulator.
This is all that is needed to get analog audio output operational
on i.MX8MP EVK.

Acked-by: default avatarPeng Fan <peng.fan@nxp.com>
Reviewed-by: default avatarFabio Estevam <festevam@gmail.com>
Reviewed-by: default avatarMarco Felsch <m.felsch@pengutronix.de>
Signed-off-by: default avatarMarek Vasut <marex@denx.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent b86c3afa

arch/arm64/boot/dts/freescale/imx8mp-evk.dts

+80 −0
Original line number Diff line number Diff line
@@ -40,6 +40,17 @@ pcie0_refclk: pcie0-refclk { 
		clock-frequency = <100000000>;

	};



	reg_audio_pwr: regulator-audio-pwr {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_audio_pwr_reg>;

		regulator-name = "audio-pwr";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	reg_can1_stby: regulator-can1-stby {

		compatible = "regulator-fixed";

		regulator-name = "can1-stby";
@@ -83,6 +94,37 @@ reg_usdhc2_vmmc: regulator-usdhc2 { 
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	sound {

		compatible = "simple-audio-card";

		simple-audio-card,name = "wm8960-audio";

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

		simple-audio-card,frame-master = <&cpudai>;

		simple-audio-card,bitclock-master = <&cpudai>;

		simple-audio-card,widgets =

			"Headphone", "Headphone Jack",

			"Speaker", "External Speaker",

			"Microphone", "Mic Jack";

		simple-audio-card,routing =

			"Headphone Jack", "HP_L",

			"Headphone Jack", "HP_R",

			"External Speaker", "SPK_LP",

			"External Speaker", "SPK_LN",

			"External Speaker", "SPK_RP",

			"External Speaker", "SPK_RN",

			"LINPUT1", "Mic Jack",

			"LINPUT3", "Mic Jack",

			"Mic Jack", "MICB";



		cpudai: simple-audio-card,cpu {

			sound-dai = <&sai3>;

		};



		simple-audio-card,codec {

			sound-dai = <&wm8960>;

		};



	};

};



&flexspi {
@@ -344,6 +386,18 @@ &i2c3 { 
	pinctrl-0 = <&pinctrl_i2c3>;

	status = "okay";



	wm8960: codec@1a {

		compatible = "wlf,wm8960";

		reg = <0x1a>;

		#sound-dai-cells = <0>;

		clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI3_MCLK1>;

		clock-names = "mclk";

		wlf,shared-lrclk;

		wlf,hp-cfg = <3 2 3>;

		wlf,gpio-cfg = <1 3>;

		SPKVDD1-supply = <&reg_audio_pwr>;

	};



	pca6416: gpio@20 {

		compatible = "ti,tca6416";

		reg = <0x20>;
@@ -422,6 +476,16 @@ &pwm4 { 
	status = "okay";

};



&sai3 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_sai3>;

	assigned-clocks = <&clk IMX8MP_CLK_SAI3>;

	assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;

	assigned-clock-rates = <12288000>;

	fsl,sai-mclk-direction-output;

	status = "okay";

};



&snvs_pwrkey {

	status = "okay";

};
@@ -499,6 +563,12 @@ &wdog1 { 
};



&iomuxc {

	pinctrl_audio_pwr_reg: audiopwrreggrp {

		fsl,pins = <

			MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29		0xd6

		>;

	};



	pinctrl_eqos: eqosgrp {

		fsl,pins = <

			MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC				0x2
@@ -668,6 +738,16 @@ MX8MP_IOMUXC_UART3_TXD__UART1_DCE_RTS 0x140 
		>;

	};



	pinctrl_sai3: sai3grp {

		fsl,pins = <

			MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI3_TX_SYNC	0xd6

			MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_SAI3_TX_BCLK	0xd6

			MX8MP_IOMUXC_SAI3_RXD__AUDIOMIX_SAI3_RX_DATA00	0xd6

			MX8MP_IOMUXC_SAI3_TXD__AUDIOMIX_SAI3_TX_DATA00	0xd6

			MX8MP_IOMUXC_SAI3_MCLK__AUDIOMIX_SAI3_MCLK	0xd6

		>;

	};



	pinctrl_uart2: uart2grp {

		fsl,pins = <

			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX	0x140