linux-kernel - [PATCH 4/8] arm64: dts: rockchip: add the internal audio codec

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Date:   Wed,  7 Sep 2022 16:21:20 +0200
From:   luca.ceresoli@...tlin.com
To:     alsa-devel@...a-project.org, linux-rockchip@...ts.infradead.org
Cc:     Luca Ceresoli <luca.ceresoli@...tlin.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Nicolas Frattaroli <frattaroli.nicolas@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Johan Jonker <jbx6244@...il.com>,
        Chris Morgan <macromorgan@...mail.com>
Subject: [PATCH 4/8] arm64: dts: rockchip: add the internal audio codec

From: Luca Ceresoli <luca.ceresoli@...tlin.com>

The RK3308 has a built-in audio codec that connects internally to i2s_8ch_2
or i2s_8ch_3.

Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
 arch/arm64/boot/dts/rockchip/rk3308.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index 093b70563b23..221cde49dc98 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -808,6 +808,20 @@ cru: clock-controller@...00000 {
 		assigned-clock-rates = <32768>;
 	};
 
+	acodec: acodec@...60000 {
+		compatible = "rockchip,rk3308-codec";
+		reg = <0x0 0xff560000 0x0 0x10000>;
+		rockchip,grf = <&grf>;
+		clock-names = "mclk_tx", "mclk_rx", "hclk";
+		clocks = <&cru SCLK_I2S2_8CH_TX_OUT>,
+			 <&cru SCLK_I2S2_8CH_RX_OUT>,
+			 <&cru PCLK_ACODEC>;
+		reset-names = "acodec-reset";
+		resets = <&cru SRST_ACODEC_P>;
+		#sound-dai-cells = <0>;
+		status = "disabled";
+	};
+
 	gic: interrupt-controller@...80000 {
 		compatible = "arm,gic-400";
 		reg = <0x0 0xff581000 0x0 0x1000>,
-- 
2.34.1