Commit 69e2f37a authored by Adam Ford's avatar Adam Ford Committed by Shawn Guo
Browse files

arm64: dts: imx8mp-beacon-kit: Enable WM8962 Audio CODEC 



The baseboard has an WM8962 Audio CODEC connected to the SAI3
peripheral.  The CODEC supports stereo in and out
and a microphone input connected to the headphone jack.
Route this CODEC through the simple-audio-card driver.

Signed-off-by: default avatarAdam Ford <aford173@gmail.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent e8b4c363

arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts

+89 −0
Original line number Diff line number Diff line
@@ -118,6 +118,15 @@ pcie0_refclk: clock-pcie { 
		clock-frequency = <100000000>;

	};



	reg_audio: regulator-wm8962 {

		compatible = "regulator-fixed";

		regulator-name = "3v3_aud";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&pca6416_1 11 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	reg_usdhc2_vmmc: regulator-usdhc2 {

		compatible = "regulator-fixed";

		regulator-name = "VSD_3V3";
@@ -137,6 +146,32 @@ reg_usb1_host_vbus: regulator-usb1-vbus { 
		gpio = <&pca6416_1 0 GPIO_ACTIVE_HIGH>;

		enable-active-high;

	};



	sound-wm8962 {

		compatible = "simple-audio-card";

		simple-audio-card,name = "wm8962";

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

		simple-audio-card,widgets = "Headphone", "Headphones",

					    "Microphone", "Headset Mic",

					    "Speaker", "Speaker";

		simple-audio-card,routing = "Headphones", "HPOUTL",

					    "Headphones", "HPOUTR",

					    "Speaker", "SPKOUTL",

					    "Speaker", "SPKOUTR",

					    "Headset Mic", "MICBIAS",

					    "IN3R", "Headset Mic";



		simple-audio-card,cpu {

			sound-dai = <&sai3>;

		};



		simple-audio-card,codec {

			sound-dai = <&wm8962>;

			clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO1>;

			frame-master;

			bitclock-master;

		};

	};

};



&ecspi2 {
@@ -239,6 +274,34 @@ &i2c4 { 
	clock-frequency = <384000>;

	status = "okay";



	wm8962: audio-codec@1a {

		compatible = "wlf,wm8962";

		reg = <0x1a>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_wm8962>;

		clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO1>;

		assigned-clocks = <&clk IMX8MP_CLK_IPP_DO_CLKO1>;

		assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>;

		assigned-clock-rates = <22576000>;

		DCVDD-supply = <&reg_audio>;

		DBVDD-supply = <&reg_audio>;

		AVDD-supply = <&reg_audio>;

		CPVDD-supply = <&reg_audio>;

		MICVDD-supply = <&reg_audio>;

		PLLVDD-supply = <&reg_audio>;

		SPKVDD1-supply = <&reg_audio>;

		SPKVDD2-supply = <&reg_audio>;

		gpio-cfg = <

			0x0000 /* 0:Default */

			0x0000 /* 1:Default */

			0x0000 /* 2:FN_DMICCLK */

			0x0000 /* 3:Default */

			0x0000 /* 4:FN_DMICCDAT */

			0x0000 /* 5:Default */

		>;

		#sound-dai-cells = <0>;

	};



	pca6416: gpio@20 {

		compatible = "nxp,pcal6416";

		reg = <0x20>;
@@ -315,6 +378,16 @@ &pcie_phy { 
	status = "okay";

};



&sai3 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_sai3>;

	assigned-clocks = <&clk IMX8MP_CLK_SAI3>;

	assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>;

	assigned-clock-rates = <12288000>;

	fsl,sai-mclk-direction-output;

	status = "okay";

};



&snvs_pwrkey {

	status = "okay";

};
@@ -477,6 +550,16 @@ MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40 
		>;

	};



	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_tpm: tpmgrp {

		fsl,pins = <

			MX8MP_IOMUXC_SAI1_RXFS__GPIO4_IO00	0x19 /* Reset */
@@ -547,4 +630,10 @@ pinctrl_usdhc2_gpio: usdhc2gpiogrp { 
			MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12	0x1c4

		>;

	};



	pinctrl_wm8962: wm8962grp {

		fsl,pins = <

			MX8MP_IOMUXC_GPIO1_IO14__CCM_CLKO1	0x59

		>;

	};

};