[PATCH 2/6] arm64: dts: imx8mn-beacon: Enable SPDIF Sound card

From: Adam Ford
Date: Sun Jul 17 2022 - 14:10:30 EST


Add a sound card to support SPDIF since the imx8mn-beacon baseboard
can support it.

Signed-off-by: Adam Ford <aford173@xxxxxxxxx>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
index fa66cc9bf455..224845d24b64 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
@@ -88,6 +88,14 @@ cpu {
};
};
};
+
+ sound-spdif {
+ compatible = "fsl,imx-audio-spdif";
+ model = "imx-spdif";
+ spdif-controller = <&spdif1>;
+ spdif-out;
+ spdif-in;
+ };
};

&ecspi2 {
@@ -186,6 +194,23 @@ &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>;
@@ -277,6 +302,13 @@ 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
+ >;
+ };
+
pinctrl_uart2: uart2grp {
fsl,pins = <
MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
--
2.34.1