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From: Luca Ceresoli <luca.ceresoli@bootlin.com>
Date: Tue, 05 Mar 2024 15:36:33 +0100
Subject: [PATCH v4 6/7] arm64: dts: rockchip: add i2s_8ch_2 and i2s_8ch_3
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Message-Id: <20240305-rk3308-audio-codec-v4-6-312acdbe628f@bootlin.com>
References: <20240305-rk3308-audio-codec-v4-0-312acdbe628f@bootlin.com>
In-Reply-To: <20240305-rk3308-audio-codec-v4-0-312acdbe628f@bootlin.com>
To: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>, 
 Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, 
 Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, 
 Heiko Stuebner <heiko@sntech.de>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>, 
 linux-rockchip@lists.infradead.org, linux-sound@vger.kernel.org, 
 alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, 
 linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, 
 Luca Ceresoli <luca.ceresoli@bootlin.com>

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

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

---

Changed in v4: nothing

Changed in v3:
 - removed the 4 optional clocks

Changed in v2: nothing
---
 arch/arm64/boot/dts/rockchip/rk3308.dtsi | 42 ++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index cfc0a87b5195..662c55fe9b77 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -578,6 +578,48 @@ dmac1: dma-controller@ff2d0000 {
 		#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@ff320000 {
+		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";
+		clocks = <&cru SCLK_I2S2_8CH_TX>,
+			 <&cru SCLK_I2S2_8CH_RX>,
+			 <&cru HCLK_I2S2_8CH>;
+		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@ff330000 {
+		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";
+		clocks = <&cru SCLK_I2S3_8CH_TX>,
+			 <&cru SCLK_I2S3_8CH_RX>,
+			 <&cru HCLK_I2S3_8CH>;
+		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@ff350000 {
 		compatible = "rockchip,rk3308-i2s", "rockchip,rk3066-i2s";
 		reg = <0x0 0xff350000 0x0 0x1000>;

-- 
2.34.1