linux-kernel - [PATCH v2 3/3] arm64: dts: imx8mp-evk: Add audio XCVR sound card

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Message-Id: <1719481981-4069-4-git-send-email-shengjiu.wang@nxp.com>
Date: Thu, 27 Jun 2024 17:53:01 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: lgirdwood@...il.com,
	broonie@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shengjiu.wang@...il.com,
	linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 3/3] arm64: dts: imx8mp-evk: Add audio XCVR sound card

Add audio XCVR sound card, which supports SPDIF TX & RX,
eARC RX, ARC RX functions.

HDMI_HPD is shared with the HDMI module so use pinctrl_hog.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 27 ++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index c2c708c492c0..a64e8a6c830d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -209,6 +209,19 @@ cpu {
 		};
 	};
 
+	sound-xcvr {
+		compatible = "fsl,imx-audio-card";
+		model = "imx-audio-xcvr";
+
+		pri-dai-link {
+			link-name = "XCVR PCM";
+
+			cpu {
+				sound-dai = <&xcvr>;
+			};
+		};
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -748,7 +761,15 @@ &wdog1 {
 	status = "okay";
 };
 
+&xcvr {
+	#sound-dai-cells = <0>;
+	status = "okay";
+};
+
 &iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
 	pinctrl_audio_pwr_reg: audiopwrreggrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29		0xd6
@@ -838,6 +859,12 @@ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16	0x140
 		>;
 	};
 
+	pinctrl_hog: hoggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD		0x40000010
+		>;
+	};
+
 	pinctrl_i2c1: i2c1grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL		0x400001c2
-- 
2.34.1