linux-zen-desktop/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright (C) 2022 StarFive Technology Co., Ltd.
 * Copyright (C) 2022 Emil Renner Berthing <kernel@esmil.dk>
 */

/dts-v1/;
#include "jh7110.dtsi"
#include "jh7110-pinfunc.h"
#include <dt-bindings/gpio/gpio.h>

/ {
	aliases {
		i2c0 = &i2c0;
		i2c2 = &i2c2;
		i2c5 = &i2c5;
		i2c6 = &i2c6;
		serial0 = &uart0;
	};

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

	cpus {
		timebase-frequency = <4000000>;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0x1 0x0>;
	};

	gpio-restart {
		compatible = "gpio-restart";
		gpios = <&sysgpio 35 GPIO_ACTIVE_HIGH>;
		priority = <224>;
	};
};

&gmac0_rgmii_rxin {
	clock-frequency = <125000000>;
};

&gmac0_rmii_refin {
	clock-frequency = <50000000>;
};

&gmac1_rgmii_rxin {
	clock-frequency = <125000000>;
};

&gmac1_rmii_refin {
	clock-frequency = <50000000>;
};

&i2srx_bclk_ext {
	clock-frequency = <12288000>;
};

&i2srx_lrck_ext {
	clock-frequency = <192000>;
};

&i2stx_bclk_ext {
	clock-frequency = <12288000>;
};

&i2stx_lrck_ext {
	clock-frequency = <192000>;
};

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

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

&rtc_osc {
	clock-frequency = <32768>;
};

&tdm_ext {
	clock-frequency = <49152000>;
};

&i2c0 {
	clock-frequency = <100000>;
	i2c-sda-hold-time-ns = <300>;
	i2c-sda-falling-time-ns = <510>;
	i2c-scl-falling-time-ns = <510>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";
};

&i2c2 {
	clock-frequency = <100000>;
	i2c-sda-hold-time-ns = <300>;
	i2c-sda-falling-time-ns = <510>;
	i2c-scl-falling-time-ns = <510>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_pins>;
	status = "okay";
};

&i2c5 {
	clock-frequency = <100000>;
	i2c-sda-hold-time-ns = <300>;
	i2c-sda-falling-time-ns = <510>;
	i2c-scl-falling-time-ns = <510>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c5_pins>;
	status = "okay";

	axp15060: pmic@36 {
		compatible = "x-powers,axp15060";
		reg = <0x36>;
		interrupts = <0>;
		interrupt-controller;
		#interrupt-cells = <1>;

		regulators {
			vdd_cpu: dcdc2 {
				regulator-always-on;
				regulator-min-microvolt = <500000>;
				regulator-max-microvolt = <1540000>;
				regulator-name = "vdd-cpu";
			};
		};
	};
};

&i2c6 {
	clock-frequency = <100000>;
	i2c-sda-hold-time-ns = <300>;
	i2c-sda-falling-time-ns = <510>;
	i2c-scl-falling-time-ns = <510>;
	pinctrl-names = "default";
	pinctrl-0 = <&i2c6_pins>;
	status = "okay";
};

&sysgpio {
	i2c0_pins: i2c0-0 {
		i2c-pins {
			pinmux = <GPIOMUX(57, GPOUT_LOW,
					      GPOEN_SYS_I2C0_CLK,
					      GPI_SYS_I2C0_CLK)>,
				 <GPIOMUX(58, GPOUT_LOW,
					      GPOEN_SYS_I2C0_DATA,
					      GPI_SYS_I2C0_DATA)>;
			bias-disable; /* external pull-up */
			input-enable;
			input-schmitt-enable;
		};
	};

	i2c2_pins: i2c2-0 {
		i2c-pins {
			pinmux = <GPIOMUX(3, GPOUT_LOW,
					     GPOEN_SYS_I2C2_CLK,
					     GPI_SYS_I2C2_CLK)>,
				 <GPIOMUX(2, GPOUT_LOW,
					     GPOEN_SYS_I2C2_DATA,
					     GPI_SYS_I2C2_DATA)>;
			bias-disable; /* external pull-up */
			input-enable;
			input-schmitt-enable;
		};
	};

	i2c5_pins: i2c5-0 {
		i2c-pins {
			pinmux = <GPIOMUX(19, GPOUT_LOW,
					      GPOEN_SYS_I2C5_CLK,
					      GPI_SYS_I2C5_CLK)>,
				 <GPIOMUX(20, GPOUT_LOW,
					      GPOEN_SYS_I2C5_DATA,
					      GPI_SYS_I2C5_DATA)>;
			bias-disable; /* external pull-up */
			input-enable;
			input-schmitt-enable;
		};
	};

	i2c6_pins: i2c6-0 {
		i2c-pins {
			pinmux = <GPIOMUX(16, GPOUT_LOW,
					      GPOEN_SYS_I2C6_CLK,
					      GPI_SYS_I2C6_CLK)>,
				 <GPIOMUX(17, GPOUT_LOW,
					      GPOEN_SYS_I2C6_DATA,
					      GPI_SYS_I2C6_DATA)>;
			bias-disable; /* external pull-up */
			input-enable;
			input-schmitt-enable;
		};
	};

	uart0_pins: uart0-0 {
		tx-pins {
			pinmux = <GPIOMUX(5, GPOUT_SYS_UART0_TX,
					     GPOEN_ENABLE,
					     GPI_NONE)>;
			bias-disable;
			drive-strength = <12>;
			input-disable;
			input-schmitt-disable;
			slew-rate = <0>;
		};

		rx-pins {
			pinmux = <GPIOMUX(6, GPOUT_LOW,
					     GPOEN_DISABLE,
					     GPI_SYS_UART0_RX)>;
			bias-disable; /* external pull-up */
			drive-strength = <2>;
			input-enable;
			input-schmitt-enable;
			slew-rate = <0>;
		};
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&U74_1 {
	cpu-supply = <&vdd_cpu>;
};

&U74_2 {
	cpu-supply = <&vdd_cpu>;
};

&U74_3 {
	cpu-supply = <&vdd_cpu>;
};

&U74_4 {
	cpu-supply = <&vdd_cpu>;
};