Brooklyn/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 SMARC EVK common parts
 *
 * Copyright (C) 2021 Renesas Electronics Corp.
 */

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

/*
 * SSI-WM8978
 *
 * This command is required when Playback/Capture
 *
 *	amixer cset name='Left Input Mixer L2 Switch' on
 *	amixer cset name='Right Input Mixer R2 Switch' on
 *	amixer cset name='Headphone Playback Volume' 100
 *	amixer cset name='PCM Volume' 100%
 *	amixer cset name='Input PGA Volume' 25
 *
 */

/* comment the #define statement to disable SCIF2 (SER0) on PMOD1 (CN7) */
#define PMOD1_SER0	1

/ {
	aliases {
		serial0 = &scif0;
		serial1 = &scif2;
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c3 = &i2c3;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	audio_mclock: audio_mclock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <11289600>;
	};

	snd_rzg2l: sound {
		compatible = "simple-audio-card";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&cpu_dai>;
		simple-audio-card,frame-master = <&cpu_dai>;
		simple-audio-card,mclk-fs = <256>;

		simple-audio-card,widgets = "Microphone", "Microphone Jack";
		simple-audio-card,routing =
			    "L2", "Mic Bias",
			    "R2", "Mic Bias",
			    "Mic Bias", "Microphone Jack";

		cpu_dai: simple-audio-card,cpu {
			sound-dai = <&ssi0>;
		};

		codec_dai: simple-audio-card,codec {
			clocks = <&audio_mclock>;
			sound-dai = <&wm8978>;
		};
	};

	usb0_vbus_otg: regulator-usb0-vbus-otg {
		compatible = "regulator-fixed";

		regulator-name = "USB0_VBUS_OTG";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	vccq_sdhi1: regulator-vccq-sdhi1 {
		compatible = "regulator-gpio";
		regulator-name = "SDHI1 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1>, <1800000 0>;
	};
};

&audio_clk1{
	clock-frequency = <11289600>;
};

&audio_clk2{
	clock-frequency = <12288000>;
};

&canfd {
	pinctrl-0 = <&can0_pins &can1_pins>;
	pinctrl-names = "default";
	status = "okay";

	channel0 {
		status = "okay";
	};

	channel1 {
		status = "okay";
	};
};

&ehci0 {
	dr_mode = "otg";
	status = "okay";
};

&ehci1 {
	status = "okay";
};

&hsusb {
	dr_mode = "otg";
	status = "okay";
};

&i2c0 {
	pinctrl-0 = <&i2c0_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&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>;
	};
};

&ohci0 {
	dr_mode = "otg";
	status = "okay";
};

&ohci1 {
	status = "okay";
};

&phyrst {
	status = "okay";
};

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

	can0_pins: can0 {
		pinmux = <RZG2L_PORT_PINMUX(10, 1, 2)>, /* TX */
			 <RZG2L_PORT_PINMUX(11, 0, 2)>; /* RX */
	};

	/* SW7 should be at position 2->3 so that GPIO8_CAN0_STB line is activated */
	can0-stb {
		gpio-hog;
		gpios = <RZG2L_GPIO(42, 2) GPIO_ACTIVE_HIGH>;
		output-low;
		line-name = "can0_stb";
	};

	can1_pins: can1 {
		pinmux = <RZG2L_PORT_PINMUX(12, 1, 2)>, /* TX */
			 <RZG2L_PORT_PINMUX(13, 0, 2)>; /* RX */
	};

	/* SW8 should be at position 2->3 so that GPIO9_CAN1_STB line is activated */
	can1-stb {
		gpio-hog;
		gpios = <RZG2L_GPIO(42, 3) GPIO_ACTIVE_HIGH>;
		output-low;
		line-name = "can1_stb";
	};

	i2c0_pins: i2c0 {
		pins = "RIIC0_SDA", "RIIC0_SCL";
		input-enable;
	};

	i2c1_pins: i2c1 {
		pins = "RIIC1_SDA", "RIIC1_SCL";
		input-enable;
	};

	i2c3_pins: i2c3 {
		pinmux = <RZG2L_PORT_PINMUX(18, 0, 3)>, /* SDA */
			 <RZG2L_PORT_PINMUX(18, 1, 3)>; /* SCL */
	};

	scif0_pins: scif0 {
		pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>,	/* TxD */
			 <RZG2L_PORT_PINMUX(38, 1, 1)>;	/* RxD */
	};

	scif2_pins: scif2 {
		pinmux = <RZG2L_PORT_PINMUX(48, 0, 1)>, /* TxD */
			 <RZG2L_PORT_PINMUX(48, 1, 1)>, /* RxD */
			 <RZG2L_PORT_PINMUX(48, 3, 1)>, /* CTS# */
			 <RZG2L_PORT_PINMUX(48, 4, 1)>; /* RTS# */
	};

	sd1-pwr-en-hog {
		gpio-hog;
		gpios = <RZG2L_GPIO(39, 2) GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "sd1_pwr_en";
	};

	sdhi1_pins: sd1 {
		sd1_data {
			pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
			power-source = <3300>;
		};

		sd1_ctrl {
			pins = "SD1_CLK", "SD1_CMD";
			power-source = <3300>;
		};

		sd1_mux {
			pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */
		};
	};

	sdhi1_pins_uhs: sd1_uhs {
		sd1_data_uhs {
			pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
			power-source = <1800>;
		};

		sd1_ctrl_uhs {
			pins = "SD1_CLK", "SD1_CMD";
			power-source = <1800>;
		};

		sd1_mux_uhs {
			pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */
		};
	};

	sound_clk_pins: sound_clk {
		pins = "AUDIO_CLK1", "AUDIO_CLK2";
		input-enable;
	};

	spi1_pins: spi1 {
		pinmux = <RZG2L_PORT_PINMUX(44, 0, 1)>, /* CK */
			 <RZG2L_PORT_PINMUX(44, 1, 1)>, /* MOSI */
			 <RZG2L_PORT_PINMUX(44, 2, 1)>, /* MISO */
			 <RZG2L_PORT_PINMUX(44, 3, 1)>; /* SSL */
	};

	ssi0_pins: ssi0 {
		pinmux = <RZG2L_PORT_PINMUX(45, 0, 1)>, /* BCK */
			 <RZG2L_PORT_PINMUX(45, 1, 1)>, /* RCK */
			 <RZG2L_PORT_PINMUX(45, 2, 1)>, /* TXD */
			 <RZG2L_PORT_PINMUX(45, 3, 1)>; /* RXD */
	};

	usb0_pins: usb0 {
		pinmux = <RZG2L_PORT_PINMUX(4, 0, 1)>, /* VBUS */
			 <RZG2L_PORT_PINMUX(5, 0, 1)>, /* OVC */
			 <RZG2L_PORT_PINMUX(5, 1, 1)>; /* OTG_ID */
	};

	usb1_pins: usb1 {
		pinmux = <RZG2L_PORT_PINMUX(42, 0, 1)>, /* VBUS */
			 <RZG2L_PORT_PINMUX(42, 1, 1)>; /* OVC */
	};
};

&scif0 {
	pinctrl-0 = <&scif0_pins>;
	pinctrl-names = "default";
	status = "okay";
};

/*
 * 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

&sdhi1 {
	pinctrl-0 = <&sdhi1_pins>;
	pinctrl-1 = <&sdhi1_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&vccq_sdhi1>;
	bus-width = <4>;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	status = "okay";
};

&spi1 {
	pinctrl-0 = <&spi1_pins>;
	pinctrl-names = "default";

	status = "okay";
};

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

	status = "okay";
};

&usb2_phy0 {
	pinctrl-0 = <&usb0_pins>;
	pinctrl-names = "default";

	vbus-supply = <&usb0_vbus_otg>;
	status = "okay";
};

&usb2_phy1 {
	pinctrl-0 = <&usb1_pins>;
	pinctrl-names = "default";

	status = "okay";
};