xref: /openbmc/linux/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi (revision 6494e4f9)

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
 * Device Tree Source for the RZ/G2UL SMARC SOM common parts
 *
 * Copyright (C) 2022 Renesas Electronics Corp.
 */

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

/ {
	aliases {
		ethernet0 = &eth0;
		ethernet1 = &eth1;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
	};

	memory@48000000 {
		device_type = "memory";
		/* first 128MB is reserved for secure area. */
		reg = <0x0 0x48000000 0x0 0x38000000>;
	};

	reg_1p8v: regulator0 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_3p3v: regulator1 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

#if !(SW_SW0_DEV_SEL)
	vccq_sdhi0: regulator-vccq-sdhi0 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI0 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		states = <3300000 1>, <1800000 0>;
		regulator-boot-on;
		gpios = <&pinctrl RZG2L_GPIO(6, 2) GPIO_ACTIVE_HIGH>;
		regulator-always-on;
	};
#endif
};

#if (!SW_ET0_EN_N)
&eth0 {
	pinctrl-0 = <&eth0_pins>;
	pinctrl-names = "default";
	phy-handle = <&phy0>;
	phy-mode = "rgmii-id";
	status = "okay";

	phy0: ethernet-phy@7 {
		compatible = "ethernet-phy-id0022.1640",
			     "ethernet-phy-ieee802.3-c22";
		reg = <7>;
		rxc-skew-psec = <2400>;
		txc-skew-psec = <2400>;
		rxdv-skew-psec = <0>;
		txdv-skew-psec = <0>;
		rxd0-skew-psec = <0>;
		rxd1-skew-psec = <0>;
		rxd2-skew-psec = <0>;
		rxd3-skew-psec = <0>;
		txd0-skew-psec = <0>;
		txd1-skew-psec = <0>;
		txd2-skew-psec = <0>;
		txd3-skew-psec = <0>;
	};
};
#endif

&eth1 {
	pinctrl-0 = <&eth1_pins>;
	pinctrl-names = "default";
	phy-handle = <&phy1>;
	phy-mode = "rgmii-id";
	status = "okay";

	phy1: ethernet-phy@7 {
		compatible = "ethernet-phy-id0022.1640",
			     "ethernet-phy-ieee802.3-c22";
		reg = <7>;
		rxc-skew-psec = <2400>;
		txc-skew-psec = <2400>;
		rxdv-skew-psec = <0>;
		txdv-skew-psec = <0>;
		rxd0-skew-psec = <0>;
		rxd1-skew-psec = <0>;
		rxd2-skew-psec = <0>;
		rxd3-skew-psec = <0>;
		txd0-skew-psec = <0>;
		txd1-skew-psec = <0>;
		txd2-skew-psec = <0>;
		txd3-skew-psec = <0>;
	};
};

&extal_clk {
	clock-frequency = <24000000>;
};

&pinctrl {
	eth0_pins: eth0 {
		pinmux = <RZG2L_PORT_PINMUX(4, 5, 1)>, /* ET0_LINKSTA */
			 <RZG2L_PORT_PINMUX(4, 3, 1)>, /* ET0_MDC */
			 <RZG2L_PORT_PINMUX(4, 4, 1)>, /* ET0_MDIO */
			 <RZG2L_PORT_PINMUX(1, 0, 1)>, /* ET0_TXC */
			 <RZG2L_PORT_PINMUX(1, 1, 1)>, /* ET0_TX_CTL */
			 <RZG2L_PORT_PINMUX(1, 2, 1)>, /* ET0_TXD0 */
			 <RZG2L_PORT_PINMUX(1, 3, 1)>, /* ET0_TXD1 */
			 <RZG2L_PORT_PINMUX(1, 4, 1)>, /* ET0_TXD2 */
			 <RZG2L_PORT_PINMUX(2, 0, 1)>, /* ET0_TXD3 */
			 <RZG2L_PORT_PINMUX(3, 0, 1)>, /* ET0_RXC */
			 <RZG2L_PORT_PINMUX(3, 1, 1)>, /* ET0_RX_CTL */
			 <RZG2L_PORT_PINMUX(3, 2, 1)>, /* ET0_RXD0 */
			 <RZG2L_PORT_PINMUX(3, 3, 1)>, /* ET0_RXD1 */
			 <RZG2L_PORT_PINMUX(4, 0, 1)>, /* ET0_RXD2 */
			 <RZG2L_PORT_PINMUX(4, 1, 1)>; /* ET0_RXD3 */
	};

	eth1_pins: eth1 {
		pinmux = <RZG2L_PORT_PINMUX(10, 4, 1)>, /* ET1_LINKSTA */
			 <RZG2L_PORT_PINMUX(10, 2, 1)>, /* ET1_MDC */
			 <RZG2L_PORT_PINMUX(10, 3, 1)>, /* ET1_MDIO */
			 <RZG2L_PORT_PINMUX(7, 0, 1)>, /* ET1_TXC */
			 <RZG2L_PORT_PINMUX(7, 1, 1)>, /* ET1_TX_CTL */
			 <RZG2L_PORT_PINMUX(7, 2, 1)>, /* ET1_TXD0 */
			 <RZG2L_PORT_PINMUX(7, 3, 1)>, /* ET1_TXD1 */
			 <RZG2L_PORT_PINMUX(7, 4, 1)>, /* ET1_TXD2 */
			 <RZG2L_PORT_PINMUX(8, 0, 1)>, /* ET1_TXD3 */
			 <RZG2L_PORT_PINMUX(8, 4, 1)>, /* ET1_RXC */
			 <RZG2L_PORT_PINMUX(9, 0, 1)>, /* ET1_RX_CTL */
			 <RZG2L_PORT_PINMUX(9, 1, 1)>, /* ET1_RXD0 */
			 <RZG2L_PORT_PINMUX(9, 2, 1)>, /* ET1_RXD1 */
			 <RZG2L_PORT_PINMUX(9, 3, 1)>, /* ET1_RXD2 */
			 <RZG2L_PORT_PINMUX(10, 0, 1)>; /* ET1_RXD3 */
	};

	sdhi0_emmc_pins: sd0emmc {
		sd0_emmc_data {
			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
			       "SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7";
			power-source = <1800>;
		};

		sd0_emmc_ctrl {
			pins = "SD0_CLK", "SD0_CMD";
			power-source = <1800>;
		};

		sd0_emmc_rst {
			pins = "SD0_RST#";
			power-source = <1800>;
		};
	};

	sdhi0_pins: sd0 {
		sd0_data {
			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
			power-source = <3300>;
		};

		sd0_ctrl {
			pins = "SD0_CLK", "SD0_CMD";
			power-source = <3300>;
		};

		sd0_mux {
			pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
		};
	};

	sdhi0_pins_uhs: sd0_uhs {
		sd0_data_uhs {
			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
			power-source = <1800>;
		};

		sd0_ctrl_uhs {
			pins = "SD0_CLK", "SD0_CMD";
			power-source = <1800>;
		};

		sd0_mux_uhs {
			pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
		};
	};
};

#if (SW_SW0_DEV_SEL)
&sdhi0 {
	pinctrl-0 = <&sdhi0_emmc_pins>;
	pinctrl-1 = <&sdhi0_emmc_pins>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&reg_1p8v>;
	bus-width = <8>;
	mmc-hs200-1_8v;
	non-removable;
	fixed-emmc-driver-type = <1>;
	status = "okay";
};
#else
&sdhi0 {
	pinctrl-0 = <&sdhi0_pins>;
	pinctrl-1 = <&sdhi0_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&vccq_sdhi0>;
	bus-width = <4>;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	status = "okay";
};
#endif