linux-kernel - [PATCH RFC 6/6] arm64: dts: meson-gx: enable audin on odroidc2 platform

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Message-Id: <20250210150129.40248-7-vsetti@baylibre.com>
Date: Mon, 10 Feb 2025 16:01:29 +0100
From: Valerio Setti <vsetti@...libre.com>
To: jbrunet@...libre.com,
	neil.armstrong@...aro.org,
	khilman@...libre.com,
	martin.blumenstingl@...glemail.com,
	linux-amlogic@...ts.infradead.org,
	linux-sound@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Valerio Setti <vsetti@...libre.com>
Subject: [PATCH RFC 6/6] arm64: dts: meson-gx: enable audin on odroidc2 platform

This commit adds the TODDR #0 module to the Odroid-C2 platform.

Note: this not enough to be able to start recording data. An addiditional
dai-link node should be added with a reference to the external codec
being used. For example here's what should be added when an NXP SGTL5000
is used:

		dai-link-4 {
			sound-dai = <&audin CPU_I2S_DECODER>;
			dai-format = "i2s";
			mclk-fs = <256>;

			codec-0 {
				sound-dai = <&sgtl5000>;
			};
		};

Signed-off-by: Valerio Setti <vsetti@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 959bd8d77a82..a83373739019 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -10,6 +10,7 @@
 #include "meson-gxbb.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/sound/meson-aiu.h>
+#include <dt-bindings/sound/meson-audin.h>
 
 / {
 	compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
@@ -210,6 +211,10 @@ codec-0 {
 				sound-dai = <&hdmi_tx>;
 			};
 		};
+
+		dai-link-3 {
+			sound-dai = <&audin CPU_AUDIN_TODDR_0>;
+		};
 	};
 };
 
@@ -217,6 +222,10 @@ &aiu {
 	status = "okay";
 };
 
+&audin {
+	status = "okay";
+};
+
 &cec_AO {
 	status = "okay";
 	pinctrl-0 = <&ao_cec_pins>;
-- 
2.39.5