linux-kernel - [PATCH] arm64: dts: rockchip: add the i2s3

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Message-Id: <20220131153457.391460-1-michael.riesch@wolfvision.net>
Date:   Mon, 31 Jan 2022 16:34:57 +0100
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
        Peter Geis <pgwipeout@...il.com>,
        Liang Chen <cl@...k-chips.com>,
        Nicolas Frattaroli <frattaroli.nicolas@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>
Subject: [PATCH] arm64: dts: rockchip: add the i2s3_2ch node to rk356x

Add the two-channel I2S controller I2S3_2CH to the rk356x device tree.

Signed-off-by: Michael Riesch <michael.riesch@...fvision.net>
---
Tested the I2S input on a modified RK3568 EVB1.

 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index a68033a23975..b1a43dbeeb83 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -651,6 +651,22 @@ &i2s1m0_sdo0   &i2s1m0_sdo1
 		status = "disabled";
 	};
 
+	i2s3_2ch: i2s@...30000 {
+		compatible = "rockchip,rk3568-i2s-tdm";
+		reg = <0x0 0xfe430000 0x0 0x1000>;
+		interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru MCLK_I2S3_2CH_TX>, <&cru MCLK_I2S3_2CH_RX>,
+			 <&cru HCLK_I2S3_2CH>;
+		clock-names = "mclk_tx", "mclk_rx", "hclk";
+		dmas = <&dmac1 6>, <&dmac1 7>;
+		dma-names = "tx", "rx";
+		resets = <&cru SRST_M_I2S3_2CH_TX>, <&cru SRST_M_I2S3_2CH_RX>;
+		reset-names = "tx-m", "rx-m";
+		rockchip,grf = <&grf>;
+		#sound-dai-cells = <0>;
+		status = "disabled";
+	};
+
 	dmac0: dmac@...30000 {
 		compatible = "arm,pl330", "arm,primecell";
 		reg = <0x0 0xfe530000 0x0 0x4000>;
-- 
2.30.2