arch/arm/dts/imx6qdl-gw552x.dtsi

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2014 Gateworks Corporation
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	/* these are used by bootloader for disabling nodes */
	aliases {
		led0 = &led0;
		led1 = &led1;
		led2 = &led2;
		nand = &gpmi;
		usb0 = &usbotg;
		usb1 = &usbh1;
	};

	chosen {
		bootargs = "console=ttymxc1,115200";
	};

	gpio-keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		user-pb {
			label = "user_pb";
			gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_0>;
		};

		user-pb1x {
			label = "user_pb1x";
			linux,code = <BTN_1>;
			interrupt-parent = <&gsc>;
			interrupts = <0>;
		};

		key-erased {
			label = "key-erased";
			linux,code = <BTN_2>;
			interrupt-parent = <&gsc>;
			interrupts = <1>;
		};

		eeprom-wp {
			label = "eeprom_wp";
			linux,code = <BTN_3>;
			interrupt-parent = <&gsc>;
			interrupts = <2>;
		};

		tamper {
			label = "tamper";
			linux,code = <BTN_4>;
			interrupt-parent = <&gsc>;
			interrupts = <5>;
		};

		switch-hold {
			label = "switch_hold";
			linux,code = <BTN_5>;
			interrupt-parent = <&gsc>;
			interrupts = <7>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;

		led0: user1 {
			label = "user1";
			gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDG */
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};

		led1: user2 {
			label = "user2";
			gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDR */
			default-state = "off";
		};

		led2: user3 {
			label = "user3";
			gpios = <&gpio4 15 GPIO_ACTIVE_LOW>; /* MX6_LOCLED# */
			default-state = "off";
		};
	};

	memory@10000000 {
		device_type = "memory";
		reg = <0x10000000 0x20000000>;
	};

	reg_1p0v: regulator-1p0v {
		compatible = "regulator-fixed";
		regulator-name = "1P0V";
		regulator-min-microvolt = <1000000>;
		regulator-max-microvolt = <1000000>;
		regulator-always-on;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	reg_5p0v: regulator-5p0v {
		compatible = "regulator-fixed";
		regulator-name = "5P0V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usb_h1_vbus: regulator-usbh1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_h1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&gpmi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gpmi_nand>;
	status = "okay";
};

&hdmi {
	ddc-i2c-bus = <&i2c3>;
	status = "okay";
};

&i2c1 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	gsc: gsc@20 {
		compatible = "gw,gsc";
		reg = <0x20>;
		interrupt-parent = <&gpio1>;
		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
		interrupt-controller;
		#interrupt-cells = <1>;
		#size-cells = <0>;

		adc {
			compatible = "gw,gsc-adc";
			#address-cells = <1>;
			#size-cells = <0>;

			channel@0 {
				gw,mode = <0>;
				reg = <0x00>;
				label = "temp";
			};

			channel@2 {
				gw,mode = <1>;
				reg = <0x02>;
				label = "vdd_vin";
			};

			channel@5 {
				gw,mode = <1>;
				reg = <0x05>;
				label = "vdd_3p3";
			};

			channel@8 {
				gw,mode = <1>;
				reg = <0x08>;
				label = "vdd_bat";
			};

			channel@b {
				gw,mode = <1>;
				reg = <0x0b>;
				label = "vdd_5p0";
			};

			channel@e {
				gw,mode = <1>;
				reg = <0xe>;
				label = "vdd_arm";
			};

			channel@11 {
				gw,mode = <1>;
				reg = <0x11>;
				label = "vdd_soc";
			};

			channel@14 {
				gw,mode = <1>;
				reg = <0x14>;
				label = "vdd_3p0";
			};

			channel@17 {
				gw,mode = <1>;
				reg = <0x17>;
				label = "vdd_1p5";
			};

			channel@1d {
				gw,mode = <1>;
				reg = <0x1d>;
				label = "vdd_1p8";
			};

			channel@20 {
				gw,mode = <1>;
				reg = <0x20>;
				label = "vdd_1p0";
			};

			channel@23 {
				gw,mode = <1>;
				reg = <0x23>;
				label = "vdd_2p5";
			};
		};
	};

	gsc_gpio: gpio@23 {
		compatible = "nxp,pca9555";
		reg = <0x23>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-parent = <&gsc>;
		interrupts = <4>;
	};

	eeprom1: eeprom@50 {
		compatible = "atmel,24c02";
		reg = <0x50>;
		pagesize = <16>;
	};

	eeprom2: eeprom@51 {
		compatible = "atmel,24c02";
		reg = <0x51>;
		pagesize = <16>;
	};

	eeprom3: eeprom@52 {
		compatible = "atmel,24c02";
		reg = <0x52>;
		pagesize = <16>;
	};

	eeprom4: eeprom@53 {
		compatible = "atmel,24c02";
		reg = <0x53>;
		pagesize = <16>;
	};

	rtc: ds1672@68 {
		compatible = "dallas,ds1672";
		reg = <0x68>;
	};
};

&i2c2 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	ltc3676: pmic@3c {
		compatible = "lltc,ltc3676";
		reg = <0x3c>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		interrupt-parent = <&gpio1>;
		interrupts = <8 IRQ_TYPE_EDGE_FALLING>;

		regulators {
			/* VDD_SOC (1+R1/R2 = 1.635) */
			reg_vdd_soc: sw1 {
				regulator-name = "vddsoc";
				regulator-min-microvolt = <674400>;
				regulator-max-microvolt = <1308000>;
				lltc,fb-voltage-divider = <127000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_1P8 (1+R1/R2 = 2.505): ENET-PHY */
			reg_1p8v: sw2 {
				regulator-name = "vdd1p8";
				regulator-min-microvolt = <1033310>;
				regulator-max-microvolt = <2004000>;
				lltc,fb-voltage-divider = <301000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_ARM (1+R1/R2 = 1.635) */
			reg_vdd_arm: sw3 {
				regulator-name = "vddarm";
				regulator-min-microvolt = <674400>;
				regulator-max-microvolt = <1308000>;
				lltc,fb-voltage-divider = <127000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_DDR (1+R1/R2 = 2.105) */
			reg_vdd_ddr: sw4 {
				regulator-name = "vddddr";
				regulator-min-microvolt = <868310>;
				regulator-max-microvolt = <1684000>;
				lltc,fb-voltage-divider = <221000 200000>;
				regulator-ramp-delay = <7000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_2P5 (1+R1/R2 = 3.435): PCIe/ENET-PHY */
			reg_2p5v: ldo2 {
				regulator-name = "vdd2p5";
				regulator-min-microvolt = <2490375>;
				regulator-max-microvolt = <2490375>;
				lltc,fb-voltage-divider = <487000 200000>;
				regulator-boot-on;
				regulator-always-on;
			};

			/* VDD_HIGH (1+R1/R2 = 4.17) */
			reg_3p0v: ldo4 {
				regulator-name = "vdd3p0";
				regulator-min-microvolt = <3023250>;
				regulator-max-microvolt = <3023250>;
				lltc,fb-voltage-divider = <634000 200000>;
				regulator-boot-on;
				regulator-always-on;
			};
		};
	};
};

&i2c3 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c3>;
	status = "okay";
};

&pcie {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pcie>;
	reset-gpio = <&gpio1 29 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&pwm2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm2>; /* MX6_DIO1 */
	status = "disabled";
};

&pwm3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm3>; /* MX6_DIO2 */
	status = "disabled";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "okay";
};

&uart5 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart5>;
	status = "okay";
};

&usbh1 {
	vbus-supply = <&reg_usb_h1_vbus>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbh1>;
	status = "okay";
};

&usbotg {
	vbus-supply = <&reg_5p0v>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbotg>;
	disable-over-current;
	dr_mode = "otg";
	status = "okay";
};

&wdog1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_wdog>;
	fsl,ext-reset-output;
};

&iomuxc {
	pinctrl_gpio_leds: gpioledsgrp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL0__GPIO4_IO06		0x1b0b0
			MX6QDL_PAD_KEY_ROW0__GPIO4_IO07		0x1b0b0
			MX6QDL_PAD_KEY_ROW4__GPIO4_IO15		0x1b0b0
		>;
	};

	pinctrl_gpmi_nand: gpminandgrp {
		fsl,pins = <
			MX6QDL_PAD_NANDF_CLE__NAND_CLE		0xb0b1
			MX6QDL_PAD_NANDF_ALE__NAND_ALE		0xb0b1
			MX6QDL_PAD_NANDF_WP_B__NAND_WP_B	0xb0b1
			MX6QDL_PAD_NANDF_RB0__NAND_READY_B	0xb000
			MX6QDL_PAD_NANDF_CS0__NAND_CE0_B	0xb0b1
			MX6QDL_PAD_SD4_CMD__NAND_RE_B		0xb0b1
			MX6QDL_PAD_SD4_CLK__NAND_WE_B		0xb0b1
			MX6QDL_PAD_NANDF_D0__NAND_DATA00	0xb0b1
			MX6QDL_PAD_NANDF_D1__NAND_DATA01	0xb0b1
			MX6QDL_PAD_NANDF_D2__NAND_DATA02	0xb0b1
			MX6QDL_PAD_NANDF_D3__NAND_DATA03	0xb0b1
			MX6QDL_PAD_NANDF_D4__NAND_DATA04	0xb0b1
			MX6QDL_PAD_NANDF_D5__NAND_DATA05	0xb0b1
			MX6QDL_PAD_NANDF_D6__NAND_DATA06	0xb0b1
			MX6QDL_PAD_NANDF_D7__NAND_DATA07	0xb0b1
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
			MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0xb0b1
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
		>;
	};

	pinctrl_pcie: pciegrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_TXD1__GPIO1_IO29	0x1b0b0
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_8__GPIO1_IO08		0x0001b0b0 /* PMIC_IRQ# */
		>;
	};

	pinctrl_pwm2: pwm2grp {
		fsl,pins = <
			MX6QDL_PAD_SD1_DAT2__PWM2_OUT		0x1b0b1
		>;
	};

	pinctrl_pwm3: pwm3grp {
		fsl,pins = <
			MX6QDL_PAD_SD1_DAT1__PWM3_OUT		0x1b0b1
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA	0x1b0b1
			MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart3: uart3grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
			MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart5: uart5grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL1__UART5_TX_DATA	0x1b0b1
			MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_usbh1: usbh1grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_9__GPIO1_IO09		0x1b0b0
		>;
	};

	pinctrl_usbotg: usbotggrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID	0x13059
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX6QDL_PAD_DISP0_DAT8__WDOG1_B		0x1b0b0
		>;
	};
};