rk3588-i2s1-8ch-m0.dts

/dts-v1/;
/plugin/;

/ {
	metadata {
		title = "Enable I2S1 8-channel dummy sound card";
		compatible = "radxa,rock-5a", "radxa,rock-5c", "radxa,rock-5d";
		category = "misc";
		exclusive = "GPIO4_A1", "GPIO4_A5", "GPIO4_B0", "GPIO4_B1", "GPIO4_B2", "GPIO4_B3", "GPIO4_B4", "i2s1_8ch";
		description = "Enable I2S1 8-channel dummy sound card.
This overlay is only for demonstration purpose.
It does not support any specific hardware device.";
	};
};

&{/} {
        i2s1_dummy_codec: i2s1-dummy-codec {
                compatible = "rockchip,dummy-codec";
                #sound-dai-cells = <0>;
        };

        i2s1_dummy_sound: i2s1-dummy-sound {
		#address-cells = <1>;
		#size-cells = <0>;
                compatible = "simple-audio-card";
                simple-audio-card,format = "i2s";
                simple-audio-card,name = "dummy-card";
                simple-audio-card,mclk-fs = <256>;
                status = "okay";

                simple-audio-card,dai-link@0 {
                        reg = <0>;
                        format = "i2s";
                        cpu {
                                sound-dai = <&i2s1_8ch>;
                        };

                        codec {
                                sound-dai = <&i2s1_dummy_codec>;
                        };
                };
        };
};

&i2s1_8ch {
	pinctrl-0 = <&i2s1m0_lrck
			&i2s1m0_sclk
			&i2s1m0_sdi0
			&i2s1m0_sdi3
			&i2s1m0_sdo0
			&i2s1m0_sdo1
			&i2s1m0_sdo2
			&i2s1m0_sdo3>;
	rockchip,i2s-rx-route = <0 3 1 2>;
	rockchip,i2s-tx-route = <0 1 2 3>;
	status = "okay";
};