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

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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: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Adam Ford 2023-05-28 06:01:19 -05:00 committed by Shawn Guo
parent e8b4c36325
commit 69e2f37a6d
1 changed files with 89 additions and 0 deletions
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89
arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
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@ -118,6 +118,15 @@
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 @@
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 @@
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 @@
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 @@
>;
};
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 @@
MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0x1c4
>;
};
pinctrl_wm8962: wm8962grp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO14__CCM_CLKO1 0x59
>;
};
};