linux-kernel - [PATCH V2 1/2] arm64: dts: imx8mn-beacon: Migrate sound card to simple-audio-card

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Message-Id: <20230528112254.2634028-1-aford173@gmail.com>
Date:   Sun, 28 May 2023 06:22:53 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.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>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V2 1/2] arm64: dts: imx8mn-beacon: Migrate sound card to simple-audio-card

Instead of using a custom glue layer connecting the wm8962 CODEC
to the SAI3 sound-dai, migrate the sound card to simple-audio-card.

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 6dce77a6114c..038ef8a3e604 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
@@ -74,18 +74,30 @@ reg_usb_otg_vbus: regulator-usb {
 		enable-active-high;
 	};
 
-	sound {
-		compatible = "fsl,imx-audio-wm8962";
-		model = "wm8962-audio";
-		audio-cpu = <&sai3>;
-		audio-codec = <&wm8962>;
-		audio-routing =
-			"Headphone Jack", "HPOUTL",
-			"Headphone Jack", "HPOUTR",
-			"Ext Spk", "SPKOUTL",
-			"Ext Spk", "SPKOUTR",
-			"AMIC", "MICBIAS",
-			"IN3R", "AMIC";
+	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 IMX8MN_CLK_SAI3_ROOT>;
+			frame-master;
+			bitclock-master;
+		};
 	};
 };
 
@@ -183,6 +195,7 @@ wm8962: audio-codec@1a {
 			0x0000 /* 4:FN_DMICCDAT */
 			0x0000 /* 5:Default */
 		>;
+		#sound-dai-cells = <0>;
 	};
 };
 
-- 
2.39.2