linux_old1/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts

/*
 * dts file for Hisilicon HiKey Development Board
 *
 * Copyright (C) 2015, Hisilicon Ltd.
 *
 */

/dts-v1/;
#include "hi6220.dtsi"
#include "hikey-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "HiKey Development Board";
	compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220";

	aliases {
		serial0 = &uart0; /* On board UART0 */
		serial1 = &uart1; /* BT UART */
		serial2 = &uart2; /* LS Expansion UART0 */
		serial3 = &uart3; /* LS Expansion UART1 */
	};

	chosen {
		stdout-path = "serial3:115200n8";
	};

	/*
	 * Reserve below regions from memory node:
	 *
	 *  0x05e0,0000 - 0x05ef,ffff: MCU firmware runtime using
	 *  0x06df,f000 - 0x06df,ffff: Mailbox message data
	 *  0x0740,f000 - 0x0740,ffff: MCU firmware section
	 *  0x3e00,0000 - 0x3fff,ffff: OP-TEE
	 */
	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000 0x05e00000>,
		      <0x00000000 0x05f00000 0x00000000 0x00eff000>,
		      <0x00000000 0x06e00000 0x00000000 0x0060f000>,
		      <0x00000000 0x07410000 0x00000000 0x36bf0000>;
	};

	soc {
		spi0: spi@f7106000 {
			status = "ok";
		};

		i2c0: i2c@f7100000 {
			status = "ok";
		};

		i2c1: i2c@f7101000 {
			status = "ok";
		};

		uart1: uart@f7111000 {
			status = "ok";
		};

		uart2: uart@f7112000 {
			status = "ok";
		};

		uart3: uart@f7113000 {
			status = "ok";
		};
	};

	leds {
		compatible = "gpio-leds";
		user_led4 {
			label = "user_led4";
			gpios = <&gpio4 0 0>; /* <&gpio_user_led_1>; */
			linux,default-trigger = "heartbeat";
		};

		user_led3 {
			label = "user_led3";
			gpios = <&gpio4 1 0>; /* <&gpio_user_led_2>; */
			linux,default-trigger = "mmc0";
		};

		user_led2 {
			label = "user_led2";
			gpios = <&gpio4 2 0>; /* <&gpio_user_led_3>; */
			linux,default-trigger = "mmc1";
		};

		user_led1 {
			label = "user_led1";
			gpios = <&gpio4 3 0>; /* <&gpio_user_led_4>; */
			linux,default-trigger = "cpu0";
		};

		wlan_active_led {
			label = "wifi_active";
			gpios = <&gpio3 5 0>; /* <&gpio_wlan_active_led>; */
			linux,default-trigger = "phy0tx";
			default-state = "off";
		};

		bt_active_led {
			label = "bt_active";
			gpios = <&gpio4 7 0>; /* <&gpio_bt_active_led>; */
			linux,default-trigger = "hci0rx";
			default-state = "off";
		};
	};

	pmic: pmic@f8000000 {
		compatible = "hisilicon,hi655x-pmic";
		reg = <0x0 0xf8000000 0x0 0x1000>;
		interrupt-controller;
		#interrupt-cells = <2>;
		pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;

		regulators {
			ldo2: LDO2 {
				regulator-name = "LDO2_2V8";
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <3200000>;
				regulator-enable-ramp-delay = <120>;
			};

			ldo7: LDO7 {
				regulator-name = "LDO7_SDIO";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
				regulator-enable-ramp-delay = <120>;
			};

			ldo10: LDO10 {
				regulator-name = "LDO10_2V85";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3000000>;
				regulator-enable-ramp-delay = <360>;
			};

			ldo13: LDO13 {
				regulator-name = "LDO13_1V8";
				regulator-min-microvolt = <1600000>;
				regulator-max-microvolt = <1950000>;
				regulator-enable-ramp-delay = <120>;
			};

			ldo14: LDO14 {
				regulator-name = "LDO14_2V8";
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <3200000>;
				regulator-enable-ramp-delay = <120>;
			};

			ldo15: LDO15 {
				regulator-name = "LDO15_1V8";
				regulator-min-microvolt = <1600000>;
				regulator-max-microvolt = <1950000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-enable-ramp-delay = <120>;
			};

			ldo17: LDO17 {
				regulator-name = "LDO17_2V5";
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <3200000>;
				regulator-enable-ramp-delay = <120>;
			};

			ldo19: LDO19 {
				regulator-name = "LDO19_3V0";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3000000>;
				regulator-enable-ramp-delay = <360>;
			};

			ldo21: LDO21 {
				regulator-name = "LDO21_1V8";
				regulator-min-microvolt = <1650000>;
				regulator-max-microvolt = <2000000>;
				regulator-always-on;
				regulator-enable-ramp-delay = <120>;
			};

			ldo22: LDO22 {
				regulator-name = "LDO22_1V2";
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <1200000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-enable-ramp-delay = <120>;
			};
		};
	};
};

&uart2 {
	label = "LS-UART0";
};
&uart3 {
	label = "LS-UART1";
};