// 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" / { 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>; }; }; &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 { 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>; };