linux-kernel - [PATCH 2/2] ARM: dts: sun8i: r40: Add I2S nodes

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Date:   Sun, 12 Sep 2021 09:29:14 +0200
From:   Jernej Skrabec <jernej.skrabec@...il.com>
To:     mripard@...nel.org, wens@...e.org
Cc:     robh+dt@...nel.org, broonie@...nel.org, lgirdwood@...il.com,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>
Subject: [PATCH 2/2] ARM: dts: sun8i: r40: Add I2S nodes

Allwinner R40 has 3 I2S controllers, compatible to those in H3. First
two are routed to pins, while third is used internally for HDMI audio.

Add nodes for all 3 I2S controllers.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
---
 arch/arm/boot/dts/sun8i-r40.dtsi | 39 ++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 291f4784e86c..1d87fc0c24ee 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -736,6 +736,45 @@ ir1: ir@...1c00 {
 			status = "disabled";
 		};
 
+		i2s0: i2s@...2000 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun8i-r40-i2s",
+				     "allwinner,sun8i-h3-i2s";
+			reg = <0x01c22000 0x400>;
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2S0>, <&ccu CLK_I2S0>;
+			clock-names = "apb", "mod";
+			resets = <&ccu RST_BUS_I2S0>;
+			dmas = <&dma 3>, <&dma 3>;
+			dma-names = "rx", "tx";
+		};
+
+		i2s1: i2s@...2400 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun8i-r40-i2s",
+				     "allwinner,sun8i-h3-i2s";
+			reg = <0x01c22400 0x400>;
+			interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2S1>, <&ccu CLK_I2S1>;
+			clock-names = "apb", "mod";
+			resets = <&ccu RST_BUS_I2S1>;
+			dmas = <&dma 4>, <&dma 4>;
+			dma-names = "rx", "tx";
+		};
+
+		i2s2: i2s@...2800 {
+			#sound-dai-cells = <0>;
+			compatible = "allwinner,sun8i-r40-i2s",
+				     "allwinner,sun8i-h3-i2s";
+			reg = <0x01c22800 0x400>;
+			interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2S2>, <&ccu CLK_I2S2>;
+			clock-names = "apb", "mod";
+			resets = <&ccu RST_BUS_I2S2>;
+			dmas = <&dma 6>, <&dma 6>;
+			dma-names = "rx", "tx";
+		};
+
 		ths: thermal-sensor@...4c00 {
 			compatible = "allwinner,sun8i-r40-ths";
 			reg = <0x01c24c00 0x100>;
-- 
2.33.0