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

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Message-Id: <20220717181000.1186373-3-aford173@gmail.com>
Date:   Sun, 17 Jul 2022 13:09:56 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Adam Ford <aford173@...il.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/6] arm64: dts: imx8mn-beacon: Enable SPDIF Sound card

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

Signed-off-by: Adam Ford <aford173@...il.com>

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