linux-kernel - [PATCH v2 5/6] arm64: dts: rockchip: add i2s_8ch_2 and i2s_8ch

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Message-Id: <20231219-rk3308-audio-codec-v2-5-c70d06021946@bootlin.com>
Date: Tue, 19 Dec 2023 15:54:20 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: Nicolas Frattaroli <frattaroli.nicolas@...il.com>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
 Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 linux-rockchip@...ts.infradead.org, linux-sound@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Luca Ceresoli <luca.ceresoli@...tlin.com>
Subject: [PATCH v2 5/6] arm64: dts: rockchip: add i2s_8ch_2 and i2s_8ch_3

These are I2S engines internally connected to the built-in audio codec.

Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>

---

Changed in v2:
 nothing
---
 arch/arm64/boot/dts/rockchip/rk3308.dtsi | 54 ++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index 2ae4bb7d5e62..fa34cae915a7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -573,6 +573,60 @@ dmac1: dma-controller@...d0000 {
 		#dma-cells = <1>;
 	};
 
+	/*
+	 * - can be clock producer or consumer
+	 * - up to 8 capture channels and 2 playback channels
+	 * - connected internally to audio codec
+	 */
+	i2s_8ch_2: i2s@...20000 {
+		compatible = "rockchip,rk3308-i2s-tdm";
+		reg = <0x0 0xff320000 0x0 0x1000>;
+		interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+		clock-names = "mclk_tx", "mclk_rx", "hclk",
+			      "mclk_tx_src", "mclk_rx_src",
+			      "mclk_root0", "mclk_root1";
+		clocks = <&cru SCLK_I2S2_8CH_TX>,
+			 <&cru SCLK_I2S2_8CH_RX>,
+			 <&cru HCLK_I2S2_8CH>,
+			 <&cru SCLK_I2S2_8CH_TX_SRC>,
+			 <&cru SCLK_I2S2_8CH_RX_SRC>,
+			 <&cru PLL_VPLL0>,
+			 <&cru PLL_VPLL1>;
+		dmas = <&dmac1 5>, <&dmac1 4>;
+		dma-names = "rx", "tx";
+		resets = <&cru SRST_I2S2_8CH_TX_M>, <&cru SRST_I2S2_8CH_RX_M>;
+		reset-names = "tx-m", "rx-m";
+		rockchip,grf = <&grf>;
+		status = "disabled";
+	};
+
+	/*
+	 * - can be clock consumer only
+	 * - up to 4 capture channels, no playback
+	 * - connected internally to audio codec
+	 */
+	i2s_8ch_3: i2s@...30000 {
+		compatible = "rockchip,rk3308-i2s-tdm";
+		reg = <0x0 0xff330000 0x0 0x1000>;
+		interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+		clock-names = "mclk_tx", "mclk_rx", "hclk",
+			      "mclk_tx_src", "mclk_rx_src",
+			      "mclk_root0", "mclk_root1";
+		clocks = <&cru SCLK_I2S3_8CH_TX>,
+			 <&cru SCLK_I2S3_8CH_RX>,
+			 <&cru HCLK_I2S3_8CH>,
+			 <&cru SCLK_I2S3_8CH_TX_SRC>,
+			 <&cru SCLK_I2S3_8CH_RX_SRC>,
+			 <&cru PLL_VPLL0>,
+			 <&cru PLL_VPLL1>;
+		dmas = <&dmac1 7>;
+		dma-names = "rx";
+		resets = <&cru SRST_I2S3_8CH_TX_M>, <&cru SRST_I2S3_8CH_RX_M>;
+		reset-names = "tx-m", "rx-m";
+		rockchip,grf = <&grf>;
+		status = "disabled";
+	};
+
 	i2s_2ch_0: i2s@...50000 {
 		compatible = "rockchip,rk3308-i2s", "rockchip,rk3066-i2s";
 		reg = <0x0 0xff350000 0x0 0x1000>;

-- 
2.34.1