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

#include <cros/thermistor/thermistor.dtsi>

/ {
	aliases {
		gpio-cbi-wp = &gpio_ec_cbi_wp;
		gpio-wp = &gpio_ec_wp_odl;
		int-wp = &int_wp_l;
		gpio-kbd-kso2 = &gpio_ec_kso_02_inv;
	};

	ec-console {
		compatible = "ec-console";
		disabled = "events", "lpc", "hostcmd";
	};

	batteries {
		default_battery: lgc {
			compatible = "lgc,ap18c8k", "battery-smart";
		};
		lgc_ap19b8m {
			compatible = "lgc,ap19b8m", "battery-smart";
		};
	};

	hibernate-wake-pins {
		compatible = "cros-ec,hibernate-wake-pins";
		wakeup-irqs = <
			&int_power_button
			&int_lid_open
		>;
	};

	gpio-interrupts {
		compatible = "cros-ec,gpio-interrupts";

		int_power_button: power_button {
			irq-pin = <&gpio_gsc_ec_pwr_btn_odl>;
			flags = <GPIO_INT_EDGE_BOTH>;
			handler = "power_button_interrupt";
		};
		int_wp_l: wp_l {
			irq-pin = <&gpio_ec_wp_odl>;
			flags = <GPIO_INT_EDGE_BOTH>;
			handler = "switch_interrupt";
		};
		int_lid_open: lid_open {
			irq-pin = <&gpio_lid_open>;
			flags = <GPIO_INT_EDGE_BOTH>;
			handler = "lid_interrupt";
		};
		int_tablet_mode: tablet_mode {
			irq-pin = <&gpio_tablet_mode_l>;
			flags = <GPIO_INT_EDGE_BOTH>;
			handler = "gmr_tablet_switch_isr";
		};
		int_imu: ec_imu {
			irq-pin = <&gpio_imu_int_l>;
			flags = <GPIO_INT_EDGE_FALLING>;
			handler = "lsm6dso_interrupt";
		};
		int_vol_down: vol_down {
			irq-pin = <&gpio_voldn_btn_odl>;
			flags = <GPIO_INT_EDGE_BOTH>;
			handler = "button_interrupt";
		};
		int_vol_up: vol_up {
			irq-pin = <&gpio_volup_btn_odl>;
			flags = <GPIO_INT_EDGE_BOTH>;
			handler = "button_interrupt";
		};
		int_usb_c0: usb_c0 {
			irq-pin = <&gpio_usb_c0_int_odl>;
			flags = <GPIO_INT_EDGE_FALLING>;
			handler = "usb_interrupt";
		};
		int_usb_c1: usb_c1 {
			irq-pin = <&gpio_sb_1>;
			flags = <GPIO_INT_EDGE_FALLING>;
			handler = "usb_interrupt";
		};
	};

	named-gpios {
		gpio_sb_1: sb-1 {
			gpios = <&gpio0 2 GPIO_PULL_UP>;
			no-auto-init;
		};

		gpio_sb_2: sb-2 {
			gpios = <&gpiod 4 GPIO_OUTPUT>;
			no-auto-init;
		};

		/*
		 * Set I2C pins for type C sub-board to be low voltage (I2C5_1).
		 * We do this for all boards, since the pins are 3.3V tolerant,
		 * and the only 2 types of sub-boards used on nivviks both have
		 * type-C ports on them.
		 */
		gpio_sb_3: sb-3 {
			gpios = <&gpiof 4 (GPIO_OPEN_DRAIN | GPIO_VOLTAGE_1P8)>;
			no-auto-init;
		};
		gpio_sb_4: sb-4 {
			gpios = <&gpiof 5 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
			no-auto-init;
		};
		gpio_fan_enable: fan-enable {
			gpios = <&gpio6 3 GPIO_OUTPUT>;
			no-auto-init;
		};
		ec-i2c-sensor-scl {
			gpios = <&gpio9 0 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
		};
		ec-i2c-sensor-sda {
			gpios = <&gpio8 7 (GPIO_INPUT | GPIO_VOLTAGE_1P8)>;
		};
	};

	/*
	 * Aliases used for sub-board GPIOs.
	 */
	aliases {
		/*
		 * Input GPIO when used with type-C port 1
		 * Output when used with HDMI sub-board
		 */
		gpio-usb-c1-int-odl = &gpio_sb_1;
		gpio-en-rails-odl = &gpio_sb_1;
		/*
		 * Sub-board with type A USB, enable.
		 */
		gpio-en-usb-a1-vbus = &gpio_sb_2;
		/*
		 * HPD pins for HDMI sub-board.
		 */
		gpio-hdmi-en-odl = &gpio_sb_3;
		gpio-hpd-odl = &gpio_sb_4;
		/*
		 * Enable S5 rails for LTE sub-board
		 */
		gpio-en-sub-s5-rails = &gpio_sb_2;
	};

	temp_memory: memory {
		compatible = "cros-ec,temp-sensor-thermistor";
		thermistor = <&thermistor_3V3_51K1_47K_4050B>;
		adc = <&adc_temp_sensor_1>;
	};
	temp_charger: charger {
		compatible = "cros-ec,temp-sensor-thermistor";
		thermistor = <&thermistor_3V3_51K1_47K_4050B>;
		adc = <&adc_temp_sensor_2>;
	};
	temp_ambient: ambient {
		compatible = "cros-ec,temp-sensor-thermistor";
		thermistor = <&thermistor_3V3_51K1_47K_4050B>;
		adc = <&adc_temp_sensor_3>;
	};

	named-temp-sensors {
		compatible = "cros-ec,temp-sensors";
		memory {
			temp_fan_off = <35>;
			temp_fan_max = <60>;
			temp_host_high = <85>;
			temp_host_halt = <90>;
			temp_host_release_high = <80>;
			power-good-pin = <&gpio_ec_soc_dsw_pwrok>;
			sensor = <&temp_memory>;
		};
		charger {
			temp_fan_off = <35>;
			temp_fan_max = <60>;
			temp_host_high = <85>;
			temp_host_halt = <90>;
			temp_host_release_high = <80>;
			power-good-pin = <&gpio_ec_soc_dsw_pwrok>;
			sensor = <&temp_charger>;
		};
		ambient {
			temp_fan_off = <35>;
			temp_fan_max = <60>;
			temp_host_high = <85>;
			temp_host_halt = <90>;
			temp_host_release_high = <80>;
			power-good-pin = <&gpio_ec_soc_dsw_pwrok>;
			sensor = <&temp_ambient>;
		};
	};

	usba {
		compatible = "cros-ec,usba-port-enable-pins";
		/*
		 * sb_2 is only configured as GPIO when USB-A1 is present,
		 * but it's still safe to control when disabled.
		 *
		 * ILIM_SEL pins are referred to by legacy enum name,
		 * GPIO_USB*_ILIM_SEL. The one for port A1 is unused on
		 * sub-boards that don't have USB-A so is safe to control
		 * regardless of system configuration.
		 */
		enable-pins = <&gpio_en_usb_a0_vbus &gpio_sb_2>;
		status = "okay";
	};

	usbc {
		#address-cells = <1>;
		#size-cells = <0>;

		port0@0 {
			compatible = "named-usbc-port";
			reg = <0>;
			bc12 = <&bc12_port0>;
			chg = <&chg_port0>;
			usb-mux-chain-0 {
				compatible = "cros-ec,usb-mux-chain";
				usb-muxes = <&virtual_mux_0>;
			};
		};
		port0-muxes {
			virtual_mux_0: virtual-mux-0 {
				compatible = "cros-ec,usbc-mux-virtual";
			};
		};
		/*
		 * TODO(b:211693800): port1 may not be present on some
		 * sub-boards.
		 */
		port1@1 {
			compatible = "named-usbc-port";
			reg = <1>;
			bc12 = <&bc12_port1>;
			chg = <&chg_port1>;
			usb-mux-chain-1 {
				compatible = "cros-ec,usb-mux-chain";
				usb-muxes = <&virtual_mux_1 &anx7483_mux_1>;
			};
			usb_mux_chain_1_no_mux: usb-mux-chain-1-no-mux {
				compatible = "cros-ec,usb-mux-chain";
				alternative-chain;
				usb-muxes = <&virtual_mux_1>;
			};
		};
		port1-muxes {
			virtual_mux_1: virtual-mux-1 {
				compatible = "cros-ec,usbc-mux-virtual";
			};
		};
	};

	fans {
		compatible = "cros-ec,fans";

		fan_0 {
			pwms = <&pwm5 5 PWM_KHZ(1) PWM_POLARITY_NORMAL>;
			rpm_min = <2200>;
			rpm_start = <2200>;
			rpm_max = <4200>;
			tach = <&tach2>;
			enable_gpio = <&gpio_fan_enable>;
		};
	};

	 /*
	  * Declare unused GPIOs so that they are shut down
	  * and use minimal power
	  */
	  unused-pins {
		compatible = "unused-gpios";
		unused-gpios =
			<&gpio3 2 0>,
			<&gpio3 3 0>,
			<&gpio3 5 0>,
			<&gpio3 6 0>,
			<&gpio5 7 0>,
			<&gpio6 0 0>,
			<&gpio6 3 0>,
			<&gpio6 6 0>,
			<&gpio7 3 0>,
			<&gpio8 3 0>,
			<&gpio8 6 0>,
			<&gpiob 1 0>,
			<&gpiob 7 0>,
			<&gpioc 7 0>,
			<&gpiof 2 0>,
			<&gpiof 3 0>;
	 };
};

&thermistor_3V3_51K1_47K_4050B {
	status = "okay";
};

&adc_ec_vsense_pp3300_s5 {
	/*
	 * Voltage divider on input has 47k upper and 220k lower legs with
	 * 2714 mV full-scale reading on the ADC. Apply the largest possible
	 * multiplier (without overflowing int32) to get the best possible
	 * approximation of the actual ratio, but derate by a factor of two to
	 * ensure unexpectedly high values won't overflow.
	 */
	mul = <(791261 / 2)>;
	div = <(651975 / 2)>;
};

/* Set bus speeds for I2C */
&i2c0_0 {
	label = "I2C_EEPROM";
	clock-frequency = <I2C_BITRATE_FAST>;

	cbi_eeprom: eeprom@50 {
		compatible = "atmel,at24";
		reg = <0x50>;
		size = <2048>;
		pagesize = <16>;
		address-width = <8>;
		timeout = <5>;
	};
};

&i2c1_0 {
	label = "I2C_SENSOR";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&i2c3_0 {
	label = "I2C_USB_C0_TCPC";
	clock-frequency = <I2C_BITRATE_FAST_PLUS>;

	bc12_port0: pi3usb9201@5f {
		compatible = "pericom,pi3usb9201";
		status = "okay";
		reg = <0x5f>;
		/*
		 * BC1.2 interrupt is shared with TCPC, so
		 * IRQ is not specified here and handled by
		 * usb_c0_interrupt.
		 */
	};

	chg_port0: isl923x@9 {
		compatible = "intersil,isl923x";
		status = "okay";
		reg = <0x9>;
	};
};

&i2c5_1 {
	label = "I2C_SUB_C1_TCPC";
	clock-frequency = <I2C_BITRATE_FAST_PLUS>;

	bc12_port1: pi3usb9201@5f {
		compatible = "pericom,pi3usb9201";
		status = "okay";
		reg = <0x5f>;
	};

	chg_port1: isl923x@9 {
		compatible = "intersil,isl923x";
		status = "okay";
		reg = <0x9>;
	};

	anx7483_mux_1: anx7483-mux-1@3e {
		compatible = "analogix,anx7483";
		reg = <0x3e>;
		board-set = "anx7483_set_default_tuning";
	};
};

&i2c7_0 {
	label = "I2C_BATTERY";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&pwm5_gpb7 {
	drive-open-drain;
};

&pwm5 {
	status = "okay";
	clock-bus = "NPCX_CLOCK_BUS_LFCLK";
	pinctrl-0 = <&pwm5_gpb7>;
	pinctrl-names = "default";
};

/* Tachometer for fan speed measurement */
&tach2 {
	status = "okay";
	pinctrl-0 = <&ta2_1_in_gp73>;
	pinctrl-names = "default";
	port = <NPCX_TACH_PORT_A>; /* port-A is selected */
	sample-clk = <NPCX_TACH_FREQ_LFCLK>; /* Use LFCLK as sampling clock */
	pulses-per-round = <2>; /* number of pulses per round of encoder */
};

/* host interface */
&espi0 {
	status = "okay";
	pinctrl-0 = <&espi_lpc_gp46_47_51_52_53_54_55_57>;
	pinctrl-names = "default";
};

/*
 * Declare GPIOs that have leakage current caused by board issues here. NPCX ec
 * will disable their input buffers before entering deep sleep and restore them
 * after waking up automatically for better power consumption.
 */
&power_leakage_io {
	leak-gpios = <&gpioa 4 0
		      &gpiof 1 0>;
};