arch/arm64/boot/dts/google/gs101-common-typec.dtsi

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2020, Google LLC
 *
 * P21 Type-c device-tree.
 */
#include <dt-bindings/usb/pd.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/samsung.h>
#include <dt-bindings/pinctrl/gs101.h>

&hsi2c_12{
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	fusb307b: fusb307b@50 {
		status = "disabled";
		compatible = "fusb307b";
		/* 52 on reworked maran */
		reg = <0x50>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb_pd_irq>;
		interrupt-parent = <&gpa8>;
		usbpd,usbpd_int = <&gpa8 2 GPIO_ACTIVE_LOW>;
		usb-psy-name = "usb";
		chg-psy-name = "gcpm";
		no-bc-12;
		/*
		 * uic = <&max77729_uic>;
		 * uic-io = <0x1>;
		 */
		ls = <&slg_pld>;
		conn = <&usb_con>;
		orientation-switch;

		usb_con: connector {
			compatible = "usb-c-connector";
			label = "USB-C";
			data-role = "dual";
			power-role = "dual";
			try-power-role = "sink";
			self-powered;
			op-sink-microwatt = <2600000>;
			usb-role-switch;
			source-pdos = <PDO_FIXED(5000, 900,
						 PDO_FIXED_SUSPEND |
						 PDO_FIXED_USB_COMM |
						 PDO_FIXED_DATA_SWAP |
						 PDO_FIXED_DUAL_ROLE)>;
			sink-pdos = <PDO_FIXED(5000, 3000,
					       PDO_FIXED_USB_COMM |
					       PDO_FIXED_DATA_SWAP |
					       PDO_FIXED_DUAL_ROLE)
				     PDO_FIXED(9000, 2000, 0)>;
			port {
				#address-cells = <1>;
				#size-cells = <0>;
				mux_notification_source: endpoint@0 {
					reg = <0>;
					remote-endpoint = <&mux_notification_sink>;
				};
			};
		};

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

			mux_notification_sink: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&mux_notification_source>;
			};
		};
	};

	slg_pld:slg46826@8 {
		status = "disabled";
		compatible = "slg46826";
		reg = <0x8>;
	};

	max20339_ovp: max20339ovp@35 {
		/*
		 * Enabling in bootloader instead of disabling so that
		 * kernel changes can be merged independently.
		 */
		status = "okay";
		compatible = "max20339ovp";
		reg = <0x35>;

		/* OVP interrupt on MW pmic GPIO6 */
		max20339,irq-gpio = <&max777x9_gpio 5 GPIO_ACTIVE_LOW>;

		/* LoadSwitch 1 and LoadSwitch 2 mapped as gpios.  */
		max20339_gpio: max20339_gpio {
			gpio-controller;
			#gpio-cells = <2>;
			ngpios = <8>;
		};
	};

	max77759tcpc: max77759tcpc@25 {
		status = "okay";
		dev-name = "max77759tcpc";
		compatible = "max77759tcpc";
		/* 52 on reworked maran */
		reg = <0x25>;
		pinctrl-names = "default";
		pinctrl-0 = <&usb_pd_irq>;
		interrupt-parent = <&gpa8>;
		usbpd,usbpd_int = <&gpa8 2 GPIO_ACTIVE_LOW>;
		usb-psy-name = "usb";
		chg-psy-name = "gcpm";
		in-switch-gpio = <&max20339_gpio 4 GPIO_ACTIVE_HIGH>;
		max20339,ovp = <&max20339_ovp>;
		conn = <&conn>;
		orientation-switch;

		conn: connector {
			compatible = "usb-c-connector";
			label = "USB-C";
			data-role = "dual";
			power-role = "dual";
			try-power-role = "sink";
			self-powered;
			op-sink-microwatt = <2600000>;
			new-source-frs-typec-current = <FRS_5V_1P5A>;
			usb-role-switch;
			slow-charger-loop;
			/*
			 * b/174044466: Extboost can only do ~1A.
			 * However, max77759 operating in reverse boost
			 * mode (0xA) can do till 1.5A.
			 * Since extboost is the primary path, set this
			 * to 900mA.
			 */
			source-pdos = <PDO_FIXED(5000, 900,
						 PDO_FIXED_SUSPEND |
						 PDO_FIXED_USB_COMM |
						 PDO_FIXED_DATA_SWAP |
						 PDO_FIXED_DUAL_ROLE)>;
			sink-pdos = <PDO_FIXED(5000, 3000,
					       PDO_FIXED_DATA_SWAP |
					       PDO_FIXED_USB_COMM |
					       PDO_FIXED_HIGHER_CAP |
					       PDO_FIXED_DUAL_ROLE)
				     PDO_FIXED(9000, 2200, 0)
				     PDO_PPS_APDO(5000, 11000, 3000)>;
			sink-vdos = <VDO_IDH(/* usbh */ 1, /* usbd */ 1, IDH_PTYPE_PERIPH,
					     /* is_modal */ 0, IDH_PTYPE_DFP_HOST, /* conn */ 2,
					     0x18D1)
				     VDO_CERT(0x0)
				     VDO_PRODUCT(0x4EE1, 0x0)
				     VDO_UFP(UFP_VDO_VER1_2, DEV_USB2_CAPABLE | DEV_USB3_CAPABLE,
					     UFP_RECEPTACLE, /* rsvd */ 0, AMA_VCONN_NOT_REQ,
					     /* rsvd */ 0, UFP_ALTMODE_NOT_SUPP, UFP_USB32_GEN1)
				     /* padding */ 0
				     VDO_DFP(DFP_VDO_VER1_1, HOST_USB2_CAPABLE | HOST_USB3_CAPABLE,
					     DFP_RECEPTACLE, /* pnum */ 0)>;
			sink-vdos-v1 = <VDO_IDH(/* usbh */ 1, /* usbd */ 1, IDH_PTYPE_PERIPH,
						/* is_modal */ 0, /* rsvd */ 0, /* rsvd */ 0,
						0x18D1)
					VDO_CERT(0x0)
					VDO_PRODUCT(0x4EE1, 0x0)>;

			port {
				#address-cells = <1>;
				#size-cells = <0>;
				mux_notification_src: endpoint@0 {
					reg = <0>;
					remote-endpoint = <&mux_notification_snk>;
				};

			};
		};

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

			mux_notification_snk: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&mux_notification_src>;
			};
		};

		/* EXT_BST_EN exposed as GPIO */
		max77759_tcpc_gpio: max77759_tcpc_gpio {
			gpio-controller;
			#gpio-cells = <2>;
			ngpios = <1>;
		};
	};
};

&hsi2c12_bus {
	samsung,pins = "gpp23-4", "gpp23-5";
	samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
};

&pinctrl_1 {
	usb_pd_irq: usb-pd-irq {
		samsung,pins = "gpa8-2";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
	};
};

/ {
	fragment@typec {
		target-path = "/";
		__overlay__ {
			google,usbc_port_cooling_dev {
				extcon = <&max77759tcpc>;
				compatible = "google,usbc_port_cooling_dev";
				google,usb-cd-polling-interval-ms = <5000>;
				google,usb-cd-connected-interval-ms = <700>;
				google,usb-cd-unplug-interval-sec = <2>;
				#cooling-cells = <2>;
			};
		};
	};
};