linux-kernel - [PATCH 1/2] arm64: dts: meson: add spdif out to khadas-vim

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Date:   Tue, 10 Aug 2021 12:16:29 +0800
From:   Artem Lapkin <email2tema@...il.com>
To:     narmstrong@...libre.com
Cc:     jbrunet@...libre.com, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        christianshewitt@...il.com, art@...das.com, nick@...das.com,
        gouwa@...das.com
Subject: [PATCH 1/2] arm64: dts: meson: add spdif out to khadas-vim

Add spdif output audio support to khadas-vim

Signed-off-by: Artem Lapkin <art@...das.com>
---
 .../dts/amlogic/meson-gxl-s905x-khadas-vim.dts  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
index 60feac0179c0..01f13822a616 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
@@ -64,6 +64,13 @@ hdmi_connector_in: endpoint {
 		};
 	};
 
+	spdif_dit: audio-codec-0 {
+		#sound-dai-cells = <0>;
+		compatible = "linux,spdif-dit";
+		status = "okay";
+		sound-name-prefix = "DIT";
+	};
+
 	sound {
 		compatible = "amlogic,gx-sound-card";
 		model = "KHADAS-VIM";
@@ -97,11 +104,21 @@ codec-0 {
 				sound-dai = <&hdmi_tx>;
 			};
 		};
+
+		dai-link-3 {
+			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
+
+			codec-0 {
+				sound-dai = <&spdif_dit>;
+			};
+		};
 	};
 };
 
 &aiu {
 	status = "okay";
+	pinctrl-0 = <&spdif_out_h_pins>;
+	pinctrl-names = "default";
 };
 
 &cec_AO {
-- 
2.25.1