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: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index cdae45a48c2cb96278fa9de42aa274fbec6d0498..06e91297fb163b8a8488f3f2c0bf419bcf90ba5d 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -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
+               >;
+       };
 };