Patch:IGKBoard-IMX8MP: Add WM8960 audio codec support

guowenxue

2024-07-17 35deaefe2a198508903c5657a0fa7cb2ad60f56d

 kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch

@@ -10,10 +10,10 @@
+dtb-$(CONFIG_ARCH_MXC) += igkboard-imx8mp.dtb
diff --git a/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts b/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts
new file mode 100644
index 000000000..8ce653b69
index 000000000..ce38a5b4a
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts
@@ -0,0 +1,712 @@
@@ -0,0 +1,782 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/* 
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kits Board) - imx8mp
@@ -105,6 +105,25 @@
+            gpios = <&gpio5 27 GPIO_ACTIVE_LOW>;
+            linux,code = <BTN_4>;
+        };
+    };
+
+    sound-wm8960 {
+        compatible = "fsl,imx-audio-wm8960";
+        model = "wm8960-audio";
+        audio-cpu = <&sai3>;
+        audio-codec = <&codec>;
+        audio-asrc = <&easrc>;
+        //hp-det-gpio = <&gpio4 29 0>;
+        audio-routing =
+            "Headphone Jack", "HP_L",
+            "Headphone Jack", "HP_R",
+            "Ext Spk", "SPK_LP",
+            "Ext Spk", "SPK_LN",
+            "Ext Spk", "SPK_RP",
+            "Ext Spk", "SPK_RN",
+            "LINPUT1", "Mic Jack",
+            "LINPUT3", "Mic Jack",
+            "Mic Jack", "MICB";
+    };
+};
+
@@ -272,10 +291,12 @@
+    pinctrl-0 = <&pinctrl_i2c2>;
+    status = "okay";
+
+    rtc1208@6f {
+        compatible = "isil,isl1208";
+        reg = <0x6f>;
+        status = "okay";
+    codec: wm8960@1a {
+        compatible = "wlf,wm8960";
+        reg = <0x1a>;
+        clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_MCLK1>;
+        clock-names = "mclk";
+        wlf,shared-lrclk;
+    };
+
+    ms1112@4a {
@@ -299,6 +320,44 @@
+                ti,mode = <1>;
+        };
+    };
+
+    rtc1208@6f {
+        compatible = "isil,isl1208";
+        reg = <0x6f>;
+        status = "okay";
+    };
+};
+
+/*+------------------------+
+  |   WM8960 Audio Codec   |
+  +------------------------+*/
+
+&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>;
+    clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_IPG>, <&clk IMX8MP_CLK_DUMMY>,
+         <&audio_blk_ctrl IMX8MP_CLK_AUDIO_BLK_CTRL_SAI3_MCLK1>, <&clk IMX8MP_CLK_DUMMY>,
+         <&clk IMX8MP_CLK_DUMMY>;
+    clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3";
+    fsl,sai-mclk-direction-output;
+    status = "okay";
+};
+
+&easrc {
+    fsl,asrc-rate  = <48000>;
+    status = "okay";
+};
+
+&xcvr {
+    #sound-dai-cells = <0>;
+    status = "okay";
+};
+
+&sdma2 {
+    status = "okay";
+};
+
+/*+------------------------+
@@ -592,6 +651,17 @@
+        >;
+    };
+
+    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
+            MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29                           0xd6
+        >;
+    };
+
+    pinctrl_pmic: pmicirq {
+        fsl,pins = <
+            MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03                         0x41