[PATCH 2/2] arm64: dts: imx8mn-beacon: Enable more audio

Adam Ford aford173 at gmail.com
Wed May 5 12:11:25 PDT 2021


There are audio ports for SPDIF and MICFIL on the baseboard.
Enable them.

Signed-off-by: Adam Ford <aford173 at gmail.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
index 376ca8ff7213..cc31f2c5b4bf 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
@@ -76,6 +76,20 @@ sound {
 			"AMIC", "MICBIAS",
 			"IN3R", "AMIC";
 	};
+
+	sound-micfil {
+		compatible = "fsl,imx-audio-micfil";
+		model = "imx-audio-micfil";
+		cpu-dai = <&micfil>;
+	};
+
+	sound-spdif {
+		compatible = "fsl,imx-audio-spdif";
+		model = "imx-spdif";
+		spdif-controller = <&spdif1>;
+		spdif-out;
+		spdif-in;
+	};
 };
 
 &ecspi2 {
@@ -151,6 +165,15 @@ &easrc {
 	status = "okay";
 };
 
+&micfil {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_micfil>;
+	assigned-clocks = <&clk IMX8MN_CLK_PDM>;
+	assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
+	assigned-clock-rates = <196608000>;
+	status = "okay";
+};
+
 &sai3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sai3>;
@@ -165,6 +188,23 @@ &snvs_pwrkey {
 	status = "okay";
 };
 
+&spdif1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spdif1>;
+	assigned-clocks = <&clk IMX8MN_CLK_SPDIF1>;
+	assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
+	assigned-clock-rates = <24576000>;
+	clocks = <&clk IMX8MN_CLK_AUDIO_AHB>, <&clk IMX8MN_CLK_24M>,
+		<&clk IMX8MN_CLK_SPDIF1>, <&clk IMX8MN_CLK_DUMMY>,
+		<&clk IMX8MN_CLK_DUMMY>, <&clk IMX8MN_CLK_DUMMY>,
+		<&clk IMX8MN_CLK_AUDIO_AHB>, <&clk IMX8MN_CLK_DUMMY>,
+		<&clk IMX8MN_CLK_DUMMY>, <&clk IMX8MN_CLK_DUMMY>,
+		<&clk IMX8MN_AUDIO_PLL1_OUT>, <&clk IMX8MN_AUDIO_PLL2_OUT>;
+	clock-names = "core", "rxtx0", "rxtx1", "rxtx2", "rxtx3",
+		"rxtx4", "rxtx5", "rxtx6", "rxtx7", "spba", "pll8k", "pll11k";
+	status = "okay";
+};
+
 &uart2 { /* console */
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart2>;
@@ -226,6 +266,13 @@ MX8MN_IOMUXC_SAI3_RXFS_GPIO4_IO28	0x41
 		>;
 	};
 
+	pinctrl_micfil: micfilgrp {
+		fsl,pins = <
+			MX8MN_IOMUXC_SAI5_RXC_PDM_CLK		0xd6
+			MX8MN_IOMUXC_SAI5_RXD0_PDM_BIT_STREAM0	0xd6
+		>;
+	};
+
 	pinctrl_pcal6414: pcal6414-gpiogrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27		0x19
@@ -248,6 +295,14 @@ MX8MN_IOMUXC_SAI3_RXD_SAI3_RX_DATA0	0xd6
 		>;
 	};
 
+	pinctrl_spdif1: spdif1grp {
+		fsl,pins = <
+			MX8MN_IOMUXC_SPDIF_TX_SPDIF1_OUT	0xd6
+			MX8MN_IOMUXC_SPDIF_RX_SPDIF1_IN		0xd6
+			MX8MN_IOMUXC_SPDIF_EXT_CLK_SPDIF1_EXT_CLK	0xd6
+		>;
+	};
+
 	pinctrl_uart2: uart2grp {
 		fsl,pins = <
 			MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX	0x140
-- 
2.25.1




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