Commit b5ffc424 authored by Luca Ceresoli's avatar Luca Ceresoli Committed by Heiko Stuebner
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arm64: dts: rockchip: add i2s_8ch_2 and i2s_8ch_3 to rk3308 



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

Signed-off-by: default avatarLuca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://lore.kernel.org/r/20240305-rk3308-audio-codec-v4-6-312acdbe628f@bootlin.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 8612169a

arch/arm64/boot/dts/rockchip/rk3308.dtsi

+42 −0
Original line number Diff line number Diff line
@@ -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>;