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From:   Christian Hewitt <christianshewitt@gmail.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Kevin Hilman <khilman@baylibre.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     Christian Hewitt <christianshewitt@gmail.com>
Subject: [PATCH v4 3/7] arm64: dts: meson: add audio playback to khadas-vim2
Date:   Thu,  3 Dec 2020 06:00:19 +0000
Message-Id: <20201203060023.9454-4-christianshewitt@gmail.com>
In-Reply-To: <20201203060023.9454-1-christianshewitt@gmail.com>
References: <20201203060023.9454-1-christianshewitt@gmail.com>
Precedence: bulk

Add initial audio support limited to HDMI i2s.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Jerome Brunet <jbrunet@baylibre.com>
---
 .../dts/amlogic/meson-gxm-khadas-vim2.dts     | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index c5ee55caae0a..0250c98dbe9e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -10,6 +10,7 @@
 #include <dt-bindings/input/input.h>
 
 #include "meson-gxm.dtsi"
+#include <dt-bindings/sound/meson-aiu.h>
 
 / {
 	compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
@@ -145,6 +146,45 @@
 		clock-frequency = <32768>;
 		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "GXM-KHADAS-VIM2";
+		assigned-clocks = <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>,
+				  <&clkc CLKID_MPLL2>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
+			dai-format = "i2s";
+			mclk-fs = <256>;
+
+			codec-0 {
+				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
+			};
+		};
+
+		dai-link-2 {
+			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
+
+			codec-0 {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+};
+
+&aiu {
+	status = "okay";
 };
 
 &cec_AO {
-- 
2.17.1