| // 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>; |
| }; |
