/* Copyright 2021 The Chromium OS Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

/dts-v1/;

#include <cros/ite/it8xxx2.dtsi>
#include <dt-bindings/gpio_defines.h>
#include <it8xxx2.dtsi>

/ {
	model = "IT8XXX2 EV-Board";

	chosen {
		zephyr,sram = &sram0;
		zephyr,console = &uart1;
		zephyr,shell-uart = &uart1;
		zephyr,flash = &flash0;
		zephyr,flash-controller = &flashctrl;
	};

	named-gpios {
		compatible = "named-gpios";

		power_button_l: power_button_l {
			gpios = <&gpioe 4 GPIO_INPUT_PULL_UP>;
			enum-name = "GPIO_POWER_BUTTON_L";
			label = "POWER_BUTTON_L";
		};
		lid_open: lid_open {
			gpios = <&gpioe 2 GPIO_INPUT_PULL_UP>;
			enum-name = "GPIO_LID_OPEN";
			label = "LID_OPEN";
		};
		wp_l {
			gpios = <&gpioi 4 GPIO_INPUT_PULL_UP>;
			enum-name = "GPIO_WP_L";
			label = "WP_L";
		};
		pch_pltrst_l {
			gpios = <&gpioe 3 GPIO_INPUT_PULL_UP>;
			enum-name = "GPIO_PCH_RSMRST_L";
			label = "PCH_PLTRST_L";
		};
		uart1_rx {
			gpios = <&gpiob 0 GPIO_INPUT_PULL_UP>;
			#enum-name = "GPIO_UART1_RX";
			label = "UART1_RX";
		};
		pch_smi_l {
			gpios = <&gpiod 3 GPIO_OUT_HIGH>;
			#enum-name = "GPIO_PCH_SMI_L";
			label = "PCH_SMI_L";
		};
		pch_sci_l {
			gpios = <&gpiod 4 GPIO_OUT_HIGH>;
			#enum-name = "GPIO_PCH_SCI_L";
			label = "PCH_SCI_L";
		};
		gate_a20_h {
			gpios = <&gpiob 5 GPIO_OUT_HIGH>;
			#enum-name = "GPIO_GATE_A20_H";
			label = "GATE_A20_H";
		};
		sys_reset_l {
			gpios = <&gpiob 6 GPIO_OUT_HIGH>;
			enum-name = "GPIO_SYS_RESET_L";
			label = "SYS_RESET_L";
		};
		lpc_clkrun_l {
			gpios = <&gpioh 0 GPIO_OUT_LOW>;
			#enum-name = "GPIO_LPC_CLKRUN_L";
			label = "LPC_CLKRUN_L";
		};
		pch_wake_l {
			gpios = <&gpiob 7 GPIO_OUT_HIGH>;
			enum-name = "GPIO_EC_PCH_WAKE_ODL";
			label = "PCH_WAKE_L";
		};
		i2c_a_scl {
			gpios = <&gpiob 3 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C0_SENSOR_SCL";
			label = "I2C_A_SCL";
		};
		i2c_a_sda {
			gpios = <&gpiob 4 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C0_SENSOR_SDA";
			label = "I2C_A_SDA";
		};
		i2c_b_scl {
			gpios = <&gpioc 1 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C1_USB_C0_SCL";
			label = "I2C_B_SCL";
		};
		i2c_b_sda {
			gpios = <&gpioc 2 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C1_USB_C0_SDA";
			label = "I2C_B_SDA";
		};
		i2c_c_scl {
			gpios = <&gpiof 6 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C2_USB_C1_SCL";
			label = "I2C_C_SCL";
		};
		i2c_c_sda {
			gpios = <&gpiof 7 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C2_USB_C1_SDA";
			label = "I2C_C_SDA";
		};
		i2c_e_scl {
			gpios = <&gpioe 0 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C5_BATTERY_SCL";
			label = "I2C_E_SCL";
		};
		i2c_e_sda {
			gpios = <&gpioe 7 GPIO_INPUT>;
			enum-name = "GPIO_EC_I2C5_BATTERY_SDA";
			label = "I2C_E_SDA";
		};

		spi0_cs {
			gpios = <&gpiom 5 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
			enum-name = "GPIO_SPI0_CS";
			label = "SPI0_CS";
		};
	};

	hibernate-wake-pins {
		compatible = "cros-ec,hibernate-wake-pins";
		wakeup-pins = <&power_button_l
			       &lid_open>;
	};

	named-adc-channels {
		compatible = "named-adc-channels";

		adc_vbussa: vbussa {
			label = "ADC_VBUSSA";
			enum-name = "ADC_VBUS";
			channel = <0>;
		};
		adc_vbussb: vbussb {
			label = "ADC_VBUSSB";
			enum-name = "ADC_PSYS";
			channel = <1>;
		};
		adc_evb_ch_13: evb_ch_13 {
			label = "ADC_EVB_CH_13";
			enum-name = "ADC_AMON_BMON";
			channel = <2>;
		};
		adc_evb_ch_14: evb_ch_14 {
			label = "ADC_EVB_CH_14";
			enum-name = "ADC_TEMP_SENSOR_FAN";
			channel = <3>;
		};
		adc_evb_ch_15: evb_ch_15 {
			label = "ADC_EVB_CH_15";
			enum-name = "ADC_TEMP_SENSOR_DDR_SOC";
			channel = <4>;
		};
		adc_evb_ch_16: evb_ch_16 {
			label = "ADC_EVB_CH_16";
			enum-name = "ADC_TEMP_SENSOR_CHARGER";
			channel = <5>;
		};
	};

	named-i2c-ports {
		compatible = "named-i2c-ports";

		battery {
			i2c-port = <&i2c2>;
			enum-name = "I2C_PORT_BATTERY";
			label = "BATTERY";
		};
		evb-1 {
			i2c-port = <&i2c0>;
			enum-name = "I2C_PORT_EVB_1";
			label = "EVB_1";
		};
		evb-2 {
			i2c-port = <&i2c1>;
			enum-name = "I2C_PORT_EVB_2";
			label = "EVB_2";
		};
		opt-4 {
			i2c-port = <&i2c4>;
			enum-name = "I2C_PORT_OPT_4";
			label = "OPT_4";
		};
	};

	named-pwms {
		compatible = "named-pwms";
		/* NOTE: &pwm number needs same with channel number */
		test0 {
			pwms = <&pwm7 PWM_CHANNEL_7 PWM_POLARITY_INVERTED>;
			label = "TEST0";
			/*
			 * If we need pwm output in ITE chip power saving
			 * mode, then we should set frequency <=324Hz.
			 */
			frequency = <324>;
		};
		test1 {
			pwms = <&pwm0 PWM_CHANNEL_0 PWM_POLARITY_NORMAL>;
			label = "TEST1";
			frequency = <30000>;
		};
	};
};

&adc0 {
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&i2c1 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&i2c2 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&i2c4 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&uart1 {
	status = "okay";
	current-speed = <115200>;
	clock-frequency = <1804800>;
};

/* TEST1 */
&pwm0 {
	status = "okay";
	prescaler-cx = <PWM_PRESCALER_C6>;
};

/* TEST0 */
&pwm7 {
	status = "okay";
	prescaler-cx = <PWM_PRESCALER_C4>;
};