xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/rk3288-veyron-mickey.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Google Veyron Mickey Rev 0 board device tree source
 *
 * Copyright 2015 Google, Inc
 */

/dts-v1/;
#include "rk3288-veyron.dtsi"
#include "rk3288-veyron-broadcom-bluetooth.dtsi"

/ {
	model = "Google Mickey";
	compatible = "google,veyron-mickey-rev8", "google,veyron-mickey-rev7",
		     "google,veyron-mickey-rev6", "google,veyron-mickey-rev5",
		     "google,veyron-mickey-rev4", "google,veyron-mickey-rev3",
		     "google,veyron-mickey-rev2", "google,veyron-mickey-rev1",
		     "google,veyron-mickey-rev0", "google,veyron-mickey",
		     "google,veyron", "rockchip,rk3288";

	vcc_5v: vcc-5v {
		vin-supply = <&vcc33_sys>;
	};

	vcc33_io: vcc33_io {
		compatible = "regulator-fixed";
		regulator-name = "vcc33_io";
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vcc33_sys>;
	};

	sound {
		compatible = "rockchip,rockchip-audio-max98090";
		rockchip,model = "VEYRON-HDMI";
		rockchip,hdmi-codec = <&hdmi>;
		rockchip,i2s-controller = <&i2s>;
	};
};

&cpu_thermal {
	/delete-node/ trips;
	/delete-node/ cooling-maps;

	trips {
		cpu_alert_almost_warm: cpu_alert_almost_warm {
			temperature = <63000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		cpu_alert_warm: cpu_alert_warm {
			temperature = <65000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		cpu_alert_almost_hot: cpu_alert_almost_hot {
			temperature = <80000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		cpu_alert_hot: cpu_alert_hot {
			temperature = <82000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		cpu_alert_hotter: cpu_alert_hotter {
			temperature = <84000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		cpu_alert_very_hot: cpu_alert_very_hot {
			temperature = <85000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		cpu_crit: cpu_crit {
			temperature = <90000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "critical";
		};
	};

	cooling-maps {
		/*
		 * After 1st level, throttle the CPU down to as low as 1.4 GHz
		 * and don't let the GPU go faster than 400 MHz.
		 */
		cpu_warm_limit_cpu {
			trip = <&cpu_alert_warm>;
			cooling-device = <&cpu0 THERMAL_NO_LIMIT 4>,
					 <&cpu1 THERMAL_NO_LIMIT 4>,
					 <&cpu2 THERMAL_NO_LIMIT 4>,
					 <&cpu3 THERMAL_NO_LIMIT 4>;
		};
		cpu_warm_limit_gpu {
			trip = <&cpu_alert_warm>;
			cooling-device = <&gpu 1 1>;
		};

		/*
		 * Add some discrete steps to help throttling system deal
		 * with the fact that there are two passive cooling devices:
		 * the CPU and the GPU.
		 *
		 * - 1.2 GHz - 1.0 GHz (almost hot)
		 * - 800 MHz           (hot)
		 * - 800 MHz - 696 MHz (hotter)
		 * - 696 MHz - min     (very hot)
		 *
		 * Note:
		 * - 800 MHz appears to be a "sweet spot" for me.  I can run
		 *   some pretty serious workload here and be happy.
		 * - After 696 MHz we stop lowering voltage, so throttling
		 *   past there is less effective.
		 */
		cpu_almost_hot_limit_cpu {
			trip = <&cpu_alert_almost_hot>;
			cooling-device = <&cpu0 5 6>, <&cpu1 5 6>, <&cpu2 5 6>,
					 <&cpu3 5 6>;
		};
		cpu_hot_limit_cpu {
			trip = <&cpu_alert_hot>;
			cooling-device = <&cpu0 7 7>, <&cpu1 7 7>, <&cpu2 7 7>,
					 <&cpu3 7 7>;
		};
		cpu_hotter_limit_cpu {
			trip = <&cpu_alert_hotter>;
			cooling-device = <&cpu0 7 8>, <&cpu1 7 8>, <&cpu2 7 8>,
					 <&cpu3 7 8>;
		};
		cpu_very_hot_limit_cpu {
			trip = <&cpu_alert_very_hot>;
			cooling-device = <&cpu0 8 THERMAL_NO_LIMIT>,
					 <&cpu1 8 THERMAL_NO_LIMIT>,
					 <&cpu2 8 THERMAL_NO_LIMIT>,
					 <&cpu3 8 THERMAL_NO_LIMIT>;
		};

		/* At very hot, don't let GPU go over 300 MHz */
		cpu_very_hot_limit_gpu {
			trip = <&cpu_alert_very_hot>;
			cooling-device = <&gpu 2 2>;
		};
	};
};

&gpu_thermal {
	/delete-node/ trips;
	/delete-node/ cooling-maps;

	trips {
		gpu_alert_warmish: gpu_alert_warmish {
			temperature = <60000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		gpu_alert_warm: gpu_alert_warm {
			temperature = <65000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		gpu_alert_hotter: gpu_alert_hotter {
			temperature = <84000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		gpu_alert_very_very_hot: gpu_alert_very_very_hot {
			temperature = <86000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "passive";
		};
		gpu_crit: gpu_crit {
			temperature = <90000>; /* millicelsius */
			hysteresis = <2000>; /* millicelsius */
			type = "critical";
		};
	};

	cooling-maps {
		/* After 1st level throttle the GPU down to as low as 400 MHz */
		gpu_warmish_limit_gpu {
			trip = <&gpu_alert_warmish>;
			cooling-device = <&gpu THERMAL_NO_LIMIT 1>;
		};

		/*
		 * Slightly after we throttle the GPU, we'll also make sure that
		 * the CPU can't go faster than 1.4 GHz.  Note that we won't
		 * throttle the CPU lower than 1.4 GHz due to GPU heat--we'll
		 * let the CPU do the rest itself.
		 */
		gpu_warm_limit_cpu {
			trip = <&gpu_alert_warm>;
			cooling-device = <&cpu0 4 4>,
					 <&cpu1 4 4>,
					 <&cpu2 4 4>,
					 <&cpu3 4 4>;
		};

		/* When hot, GPU goes down to 300 MHz */
		gpu_hotter_limit_gpu {
			trip = <&gpu_alert_hotter>;
			cooling-device = <&gpu 2 2>;
		};

		/* When really hot, don't let GPU go _above_ 300 MHz */
		gpu_very_very_hot_limit_gpu {
			trip = <&gpu_alert_very_very_hot>;
			cooling-device = <&gpu 2 THERMAL_NO_LIMIT>;
		};
	};
};

&i2c2 {
	status = "disabled";
};

&i2c4 {
	status = "disabled";
};

&i2s {
	status = "okay";
};

&rk808 {
	pinctrl-names = "default";
	pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>;
	dvs-gpios = <&gpio7 RK_PB4 GPIO_ACTIVE_HIGH>,
		    <&gpio7 RK_PB7 GPIO_ACTIVE_HIGH>;

	/delete-property/ vcc6-supply;
	/delete-property/ vcc12-supply;

	vcc11-supply = <&vcc33_sys>;

	regulators {
		/* vcc33_io is sourced directly from vcc33_sys */
		/delete-node/ LDO_REG1;
		/delete-node/ LDO_REG7;

		/* This is not a pwren anymore, but the real power supply */
		vdd10_lcd: LDO_REG7 {
			regulator-always-on;
			regulator-boot-on;
			regulator-min-microvolt = <1000000>;
			regulator-max-microvolt = <1000000>;
			regulator-name = "vdd10_lcd";
			regulator-suspend-mem-disabled;
		};

		vcc18_lcd: LDO_REG8 {
			regulator-always-on;
			regulator-boot-on;
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-name = "vcc18_lcd";
			regulator-suspend-mem-disabled;
		};
	};
};

&gpio0 {
	gpio-line-names = "PMIC_SLEEP_AP",
			  "",
			  "",
			  "",
			  "PMIC_INT_L",
			  "POWER_BUTTON_L",
			  "",
			  "",

			  "",
			  /*
			   * RECOVERY_SW_L is Chrome OS ABI.  Schematics call
			   * it REC_MODE_L.
			   */
			  "RECOVERY_SW_L",
			  "OT_RESET",
			  "",
			  "",
			  "AP_WARM_RESET_H",
			  "",
			  "I2C0_SDA_PMIC",

			  "I2C0_SCL_PMIC",
			  "",
			  "nFALUT";
};

&gpio2 {
	gpio-line-names = "CONFIG0",
			  "CONFIG1",
			  "CONFIG2",
			  "",
			  "",
			  "",
			  "",
			  "CONFIG3",

			  "",
			  "EMMC_RST_L";
};

&gpio3 {
	gpio-line-names = "FLASH0_D0",
			  "FLASH0_D1",
			  "FLASH0_D2",
			  "FLASH0_D3",
			  "FLASH0_D4",
			  "FLASH0_D5",
			  "FLASH0_D6",
			  "FLASH0_D7",

			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "FLASH0_CS2/EMMC_CMD",
			  "",
			  "FLASH0_DQS/EMMC_CLKO";
};

&gpio4 {
	gpio-line-names = "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",
			  "",

			  "UART0_RXD",
			  "UART0_TXD",
			  "UART0_CTS_L",
			  "UART0_RTS_L",
			  "SDIO0_D0",
			  "SDIO0_D1",
			  "SDIO0_D2",
			  "SDIO0_D3",

			  "SDIO0_CMD",
			  "SDIO0_CLK",
			  "BT_DEV_WAKE",
			  "",
			  "WIFI_ENABLE_H",
			  "BT_ENABLE_L",
			  "WIFI_HOST_WAKE",
			  "BT_HOST_WAKE";
};

&gpio7 {
	gpio-line-names = "",
			  "PWM_LOG",
			  "",
			  "",
			  "TPM_INT_H",
			  "SDMMC_DET_L",
			  /*
			   * AP_FLASH_WP_L is Chrome OS ABI.  Schematics call
			   * it FW_WP_AP.
			   */
			  "AP_FLASH_WP_L",
			  "",

			  "CPU_NMI",
			  "DVSOK",
			  "HDMI_WAKE",
			  "POWER_HDMI_ON",
			  "DVS1",
			  "",
			  "",
			  "DVS2",

			  "HDMI_CEC",
			  "",
			  "",
			  "I2C5_SDA_HDMI",
			  "I2C5_SCL_HDMI",
			  "",
			  "UART2_RXD",
			  "UART2_TXD";
};

&gpio8 {
	gpio-line-names = "RAM_ID0",
			  "RAM_ID1",
			  "RAM_ID2",
			  "RAM_ID3",
			  "I2C1_SDA_TPM",
			  "I2C1_SCL_TPM",
			  "SPI2_CLK",
			  "SPI2_CS0",

			  "SPI2_RXD",
			  "SPI2_TXD";
};

&pinctrl {
	pinctrl-names = "default";
	pinctrl-0 = <
		/* Common for sleep and wake, but no owners */
		&ddr0_retention
		&ddrio_pwroff
		&global_pwroff
	>;

	hdmi {
		power_hdmi_on: power-hdmi-on {
			rockchip,pins = <7 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
		};
	};

	pmic {
		dvs_1: dvs-1 {
			rockchip,pins = <7 RK_PB4 RK_FUNC_GPIO &pcfg_pull_down>;
		};

		dvs_2: dvs-2 {
			rockchip,pins = <7 RK_PB7 RK_FUNC_GPIO &pcfg_pull_down>;
		};
	};
};

&usb_host0_ehci {
	status = "disabled";
};

&usb_host1 {
	status = "disabled";
};

&vcc50_hdmi {
	enable-active-high;
	gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_HIGH>;
	pinctrl-names = "default";
	pinctrl-0 = <&power_hdmi_on>;
};