linux-loongson/arch/arm64/boot/dts/renesas/rzg2l-smarc.dtsi

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
 * Device Tree Source for the RZ/{G2L,V2L} SMARC EVK common parts
 *
 * Copyright (C) 2021 Renesas Electronics Corp.
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>

/ {
	aliases {
		serial1 = &scif2;
		i2c3 = &i2c3;
	};

	osc1: cec-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <12000000>;
	};

	hdmi-out {
		compatible = "hdmi-connector";
		type = "d";

		port {
			hdmi_con_out: endpoint {
				remote-endpoint = <&adv7535_out>;
			};
		};
	};

	sound_card {
		compatible = "audio-graph-card";
		label = "HDMI-Audio";
		dais = <&i2s2_port>;
	};
};

&cpu_dai {
	sound-dai = <&ssi0>;
};

&dsi {
	status = "okay";

	ports {
		port@1 {
			dsi0_out: endpoint {
				data-lanes = <1 2 3 4>;
				remote-endpoint = <&adv7535_in>;
			};
		};
	};
};

&du {
	status = "okay";
};

&i2c1 {
	adv7535: hdmi@3d {
		compatible = "adi,adv7535";
		reg = <0x3d>;

		interrupts-extended = <&pinctrl RZG2L_GPIO(2, 1) IRQ_TYPE_EDGE_FALLING>;
		clocks = <&osc1>;
		clock-names = "cec";
		avdd-supply = <&reg_1p8v>;
		dvdd-supply = <&reg_1p8v>;
		pvdd-supply = <&reg_1p8v>;
		a2vdd-supply = <&reg_1p8v>;
		v3p3-supply = <&reg_3p3v>;
		v1p2-supply = <&reg_1p8v>;

		adi,dsi-lanes = <4>;

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;
				adv7535_in: endpoint {
					remote-endpoint = <&dsi0_out>;
				};
			};

			port@1 {
				reg = <1>;
				adv7535_out: endpoint {
					remote-endpoint = <&hdmi_con_out>;
				};
			};

			port@2 {
				reg = <2>;
				codec_endpoint: endpoint {
					remote-endpoint = <&i2s2_cpu_endpoint>;
				};
			};
		};
	};
};

#if PMOD0_GPT
&gpt {
	pinctrl-0 = <&gpt_pins>;
	pinctrl-names = "default";
	status = "okay";
};
#endif /* PMOD0_GPT */

&i2c3 {
	pinctrl-0 = <&i2c3_pins>;
	pinctrl-names = "default";
	clock-frequency = <400000>;

	status = "okay";

	wm8978: codec@1a {
		compatible = "wlf,wm8978";
		#sound-dai-cells = <0>;
		reg = <0x1a>;
	};

	versa3: clock-generator@68 {
		compatible = "renesas,5p35023";
		reg = <0x68>;
		#clock-cells = <1>;
		clocks = <&x1>;

		renesas,settings = [
			80 00 11 19 4c 02 23 7f 83 19 08 a9 5f 25 24 bf
			00 14 7a e1 00 00 00 00 01 55 59 bb 3f 30 90 b6
			80 b0 45 c4 95
		];

		assigned-clocks = <&versa3 0>, <&versa3 1>,
				  <&versa3 2>, <&versa3 3>,
				  <&versa3 4>, <&versa3 5>;
		assigned-clock-rates = <24000000>, <11289600>,
				       <11289600>, <12000000>,
				       <25000000>, <12288000>;
	};
};

#if PMOD_MTU3
&mtu3 {
	pinctrl-0 = <&mtu3_pins>;
	pinctrl-names = "default";

	status = "okay";
};

#if MTU3_COUNTER_Z_PHASE_SIGNAL
/* SDHI cd pin is muxed with counter Z phase signal */
&sdhi1 {
	status = "disabled";
};
#endif /* MTU3_COUNTER_Z_PHASE_SIGNAL */

&spi1 {
	status = "disabled";
};
#endif /* PMOD_MTU3 */

/*
 * To enable SCIF2 (SER0) on PMOD1 (CN7)
 * SW1 should be at position 2->3 so that SER0_CTS# line is activated
 * SW2 should be at position 2->3 so that SER0_TX line is activated
 * SW3 should be at position 2->3 so that SER0_RX line is activated
 * SW4 should be at position 2->3 so that SER0_RTS# line is activated
 */
#if PMOD1_SER0
&scif2 {
	pinctrl-0 = <&scif2_pins>;
	pinctrl-names = "default";

	uart-has-rtscts;
	status = "okay";
};
#endif

&ssi0 {
	pinctrl-0 = <&ssi0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&ssi1 {
	pinctrl-0 = <&ssi1_pins>;
	pinctrl-names = "default";

	status = "okay";

	i2s2_port: port {
		i2s2_cpu_endpoint: endpoint {
			remote-endpoint = <&codec_endpoint>;
			dai-format = "i2s";

			bitclock-master = <&i2s2_cpu_endpoint>;
			frame-master = <&i2s2_cpu_endpoint>;
		};
	};
};

&vccq_sdhi1 {
	gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>;
};