xref: /linux/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi (revision ec71f661a572a770d7c861cd52a50cbbb0e1a8d1)

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Device Tree nodes common for all GS101-based Pixel
 *
 * Copyright 2021-2023 Google LLC
 * Copyright 2023 Linaro Ltd - <peter.griffin@linaro.org>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/usb/pd.h>
#include "gs101-pinctrl.h"
#include "gs101.dtsi"

/ {
	aliases {
		serial0 = &serial_0;
	};

	chosen {
		/* Bootloader expects bootargs specified otherwise it crashes */
		bootargs = "";
		stdout-path = &serial_0;

		/* Use display framebuffer as setup by bootloader */
		framebuffer0: framebuffer-0 {
			compatible = "simple-framebuffer";
			memory-region = <&cont_splash_mem>;
			/* format properties to be added by actual board */
			status = "disabled";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>;
		pinctrl-names = "default";

		button-vol-down {
			label = "KEY_VOLUMEDOWN";
			linux,code = <KEY_VOLUMEDOWN>;
			gpios = <&gpa7 3 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-vol-up {
			label = "KEY_VOLUMEUP";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&gpa8 1 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-power {
			label = "KEY_POWER";
			linux,code = <KEY_POWER>;
			gpios = <&gpa10 1 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	/* TODO: Remove this once PMIC is implemented  */
	reg_placeholder: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "placeholder_reg";
	};

	/* TODO: Remove this once S2MPG11 slave PMIC is implemented  */
	ufs_0_fixed_vcc_reg: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "ufs-vcc";
		gpio = <&gpp0 1 GPIO_ACTIVE_HIGH>;
		regulator-boot-on;
		enable-active-high;
	};

	reserved-memory {
		cont_splash_mem: splash@fac00000 {
			/* size to be updated by actual board */
			reg = <0x0 0xfac00000 0x0>;
			no-map;
			status = "disabled";
		};
	};
};

&ext_24_5m {
	clock-frequency = <24576000>;
};

&ext_200m {
	clock-frequency = <200000000>;
};

&hsi2c_8 {
	status = "okay";

	eeprom: eeprom@50 {
		compatible = "atmel,24c08";
		reg = <0x50>;
	};
};

&hsi2c_12 {
	status = "okay";
	/* TODO: add the devices once drivers exist */

	usb-typec@25 {
		compatible = "maxim,max77759-tcpci", "maxim,max33359";
		reg = <0x25>;
		interrupts-extended = <&gpa8 2 IRQ_TYPE_LEVEL_LOW>;
		pinctrl-0 = <&typec_int>;
		pinctrl-names = "default";

		connector {
			compatible = "usb-c-connector";
			label = "USB-C";
			data-role = "dual";
			power-role = "dual";
			self-powered;
			try-power-role = "sink";
			op-sink-microwatt = <2600000>;
			slow-charger-loop;
			/*
			 * max77759 operating in reverse boost mode (0xA) can
			 * source up to 1.5A while extboost can only do ~1A.
			 * Since extboost is the primary path, advertise 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(1, 1, IDH_PTYPE_PERIPH, 0,
					     IDH_PTYPE_DFP_HOST, 2, 0x18d1)
				     VDO_CERT(0x0)
				     VDO_PRODUCT(0x4ee1, 0x0)
				     VDO_UFP(UFP_VDO_VER1_2,
					     (DEV_USB2_CAPABLE
					      | DEV_USB3_CAPABLE),
					     UFP_RECEPTACLE, 0,
					     AMA_VCONN_NOT_REQ, 0,
					     UFP_ALTMODE_NOT_SUPP,
					     UFP_USB32_GEN1)
				     /* padding */ 0
				     VDO_DFP(DFP_VDO_VER1_1,
					     (HOST_USB2_CAPABLE
					      | HOST_USB3_CAPABLE),
					     DFP_RECEPTACLE, 0)>;
			sink-vdos-v1 = <VDO_IDH(1, 1, IDH_PTYPE_PERIPH, 0,
						0, 0, 0x18d1)
					VDO_CERT(0x0)
					VDO_PRODUCT(0x4ee1, 0x0)>;
			/*
			 * Until bootloader is updated to set those two when
			 * console is enabled, we disable PD here.
			 */
			pd-disable;
			typec-power-opmode = "default";

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

				port@0 {
					reg = <0>;

					usbc0_orien_sw: endpoint {
						remote-endpoint = <&usbdrd31_phy_orien_switch>;
					};
				};

				port@1 {
					reg = <1>;

					usbc0_role_sw: endpoint {
						remote-endpoint = <&usbdrd31_dwc3_role_switch>;
					};
				};
			};
		};
	};
};

&pinctrl_far_alive {
	key_voldown: key-voldown-pins {
		samsung,pins = "gpa7-3";
		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
		samsung,pin-pud = <GS101_PIN_PULL_NONE>;
		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
	};

	key_volup: key-volup-pins {
		samsung,pins = "gpa8-1";
		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
		samsung,pin-pud = <GS101_PIN_PULL_NONE>;
		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
	};

	typec_int: typec-int-pins {
		samsung,pins = "gpa8-2";
		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
		samsung,pin-pud = <GS101_PIN_PULL_UP>;
		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
	};
};

&pinctrl_gpio_alive {
	key_power: key-power-pins {
		samsung,pins = "gpa10-1";
		samsung,pin-function = <GS101_PIN_FUNC_EINT>;
		samsung,pin-pud = <GS101_PIN_PULL_NONE>;
		samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
	};
};

&serial_0 {
	status = "okay";
};

&ufs_0 {
	status = "okay";
	vcc-supply = <&ufs_0_fixed_vcc_reg>;
};

&ufs_0_phy {
	status = "okay";
};

&usbdrd31 {
	vdd10-supply = <&reg_placeholder>;
	vdd33-supply = <&reg_placeholder>;
	status = "okay";
};

&usbdrd31_dwc3 {
	dr_mode = "otg";
	usb-role-switch;
	role-switch-default-mode = "peripheral";
	maximum-speed = "super-speed-plus";
	status = "okay";

	port {
		usbdrd31_dwc3_role_switch: endpoint {
			remote-endpoint = <&usbc0_role_sw>;
		};
	};
};

&usbdrd31_phy {
	orientation-switch;
	/* TODO: Update these once PMIC is implemented */
	pll-supply = <&reg_placeholder>;
	dvdd-usb20-supply = <&reg_placeholder>;
	vddh-usb20-supply = <&reg_placeholder>;
	vdd33-usb20-supply = <&reg_placeholder>;
	vdda-usbdp-supply = <&reg_placeholder>;
	vddh-usbdp-supply = <&reg_placeholder>;
	status = "okay";

	port {
		usbdrd31_phy_orien_switch: endpoint {
			remote-endpoint = <&usbc0_orien_sw>;
		};
	};
};

&usi_uart {
	samsung,clkreq-on; /* needed for UART mode */
	status = "okay";
};

&usi8 {
	samsung,mode = <USI_MODE_I2C>;
	status = "okay";
};

&usi12 {
	samsung,mode = <USI_MODE_I2C>;
	status = "okay";
};

&watchdog_cl0 {
	timeout-sec = <30>;
	status = "okay";
};