This adds support for the Asus Chromebit, and RK3288-based device designed to plug directly into an HDMI monitor. The device tree file comes from Linux v4.8.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/dts/Makefile | 1 + arch/arm/dts/rk3288-veyron-mickey.dts | 265 ++++++++++++++++++++++++++++++ arch/arm/mach-rockchip/rk3288-board-spl.c | 3 +- arch/arm/mach-rockchip/rk3288/Kconfig | 9 + board/google/veyron/Kconfig | 16 ++ board/google/veyron/MAINTAINERS | 7 + configs/chromebit_mickey_defconfig | 84 ++++++++++ 7 files changed, 384 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/rk3288-veyron-mickey.dts create mode 100644 configs/chromebit_mickey_defconfig
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index af8b0de..5723c1b 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -30,6 +30,7 @@ dtb-$(CONFIG_EXYNOS7420) += exynos7420-espresso7420.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += \ rk3288-firefly.dtb \ rk3288-veyron-jerry.dtb \ + rk3288-veyron-mickey.dtb \ rk3288-rock2-square.dtb \ rk3288-evb.dtb \ rk3288-fennec.dtb \ diff --git a/arch/arm/dts/rk3288-veyron-mickey.dts b/arch/arm/dts/rk3288-veyron-mickey.dts new file mode 100644 index 0000000..3da5038 --- /dev/null +++ b/arch/arm/dts/rk3288-veyron-mickey.dts @@ -0,0 +1,265 @@ +/* + * Google Veyron Mickey Rev 0 board device tree source + * + * Copyright 2015 Google, Inc + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "rk3288-veyron-chromebook.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. Note that we + * won't throttle the GPU lower than 400 MHz due to CPU + * heat--we'll let the GPU do the rest itself. + */ + cpu_warm_limit_cpu { + trip = <&cpu_alert_warm>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT 4>; + }; + + /* + * 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>; + }; + cpu_hot_limit_cpu { + trip = <&cpu_alert_hot>; + cooling-device = + <&cpu0 7 7>; + }; + cpu_hotter_limit_cpu { + trip = <&cpu_alert_hotter>; + cooling-device = + <&cpu0 7 8>; + }; + cpu_very_hot_limit_cpu { + trip = <&cpu_alert_very_hot>; + cooling-device = + <&cpu0 8 THERMAL_NO_LIMIT>; + }; + }; +}; + +&dmc { + rockchip,pctl-timing = <0x215 0xc8 0x0 0x35 0x26 0x2 0x70 0x2000d + 0x6 0x0 0x8 0x4 0x17 0x24 0xd 0x6 + 0x4 0x8 0x4 0x76 0x4 0x0 0x30 0x0 + 0x1 0x2 0x2 0x4 0x0 0x0 0xc0 0x4 + 0x8 0x1f4>; + rockchip,phy-timing = <0x48d7dd93 0x187008d8 0x121076 + 0x0 0xc3 0x6 0x2>; + rockchip,sdram-params = <0x20d266a4 0x5b6 2 533000000 6 9 1>; +}; + +&emmc { + /delete-property/mmc-hs200-1_8v; +}; + +&i2c2 { + status = "disabled"; +}; + +&i2c4 { + status = "disabled"; +}; + +&i2s { + status = "okay"; + clock-names = "i2s_hclk", "i2s_clk", "i2s_clk_out"; + clocks = <&cru HCLK_I2S0>, <&cru SCLK_I2S0>, <&cru SCLK_I2S0_OUT>; +}; + +&rk808 { + pinctrl-names = "default"; + pinctrl-0 = <&pmic_int_l &dvs_1 &dvs_2>; + dvs-gpios = <&gpio7 12 GPIO_ACTIVE_HIGH>, + <&gpio7 15 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; + }; + }; +}; + +&pinctrl { + hdmi { + power_hdmi_on: power-hdmi-on { + rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; + + pmic { + dvs_1: dvs-1 { + rockchip,pins = <7 12 RK_FUNC_GPIO &pcfg_pull_down>; + }; + + dvs_2: dvs-2 { + rockchip,pins = <7 15 RK_FUNC_GPIO &pcfg_pull_down>; + }; + }; +}; + +&spi0 { + status = "disabled"; +}; + +&usb_host0_ehci { + status = "disabled"; +}; + +&usb_host1 { + status = "disabled"; +}; + +&vcc50_hdmi { + enable-active-high; + gpio = <&gpio7 11 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&power_hdmi_on>; +}; diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c index 185b5fd..03ac0b4 100644 --- a/arch/arm/mach-rockchip/rk3288-board-spl.c +++ b/arch/arm/mach-rockchip/rk3288-board-spl.c @@ -64,7 +64,8 @@ u32 spl_boot_device(void) }
fallback: -#elif defined(CONFIG_TARGET_CHROMEBOOK_JERRY) +#elif defined(CONFIG_TARGET_CHROMEBOOK_JERRY) || \ + defined(CONFIG_TARGET_CHROMEBIT_MICKEY) return BOOT_DEVICE_SPI; #endif return BOOT_DEVICE_MMC1; diff --git a/arch/arm/mach-rockchip/rk3288/Kconfig b/arch/arm/mach-rockchip/rk3288/Kconfig index 30c557b..204c1c7 100644 --- a/arch/arm/mach-rockchip/rk3288/Kconfig +++ b/arch/arm/mach-rockchip/rk3288/Kconfig @@ -49,6 +49,15 @@ config TARGET_CHROMEBOOK_JERRY WiFi. It includes a Chrome OS EC (Cortex-M3) to provide access to the keyboard and battery functions.
+config TARGET_CHROMEBIT_MICKEY + bool "Google/Rockchip Veyron-Mickey Chromebit" + help + Mickey is a small RK3288-based device with one USB 3.0 port, HDMI + and WiFi. It has a separate power port and is designed to connect + to the HDMI input of a monitor or TV. It has no internal battery. + Typically a USB hub or wireless keyboard/touchpad is used to get + keyboard and mouse access. + config TARGET_ROCK2 bool "Radxa Rock 2" help diff --git a/board/google/veyron/Kconfig b/board/google/veyron/Kconfig index b1f51ce..a99190f 100644 --- a/board/google/veyron/Kconfig +++ b/board/google/veyron/Kconfig @@ -13,3 +13,19 @@ config BOARD_SPECIFIC_OPTIONS # dummy def_bool y
endif + +if TARGET_CHROMEBIT_MICKEY + +config SYS_BOARD + default "veyron" + +config SYS_VENDOR + default "google" + +config SYS_CONFIG_NAME + default "veyron" + +config BOARD_SPECIFIC_OPTIONS # dummy + def_bool y + +endif diff --git a/board/google/veyron/MAINTAINERS b/board/google/veyron/MAINTAINERS index d641eed..e44e1a9 100644 --- a/board/google/veyron/MAINTAINERS +++ b/board/google/veyron/MAINTAINERS @@ -4,3 +4,10 @@ S: Maintained F: board/google/veyron/ F: include/configs/veyron.h F: configs/chromebook_jerry_defconfig + +CHROMEBIT MICKEY BOARD +M: Simon Glass sjg@chromium.org +S: Maintained +F: board/google/veyron/ +F: include/configs/veyron.h +F: configs/chromebit_mickey_defconfig diff --git a/configs/chromebit_mickey_defconfig b/configs/chromebit_mickey_defconfig new file mode 100644 index 0000000..b118907 --- /dev/null +++ b/configs/chromebit_mickey_defconfig @@ -0,0 +1,84 @@ +CONFIG_ARM=y +CONFIG_ARCH_ROCKCHIP=y +CONFIG_SYS_MALLOC_F_LEN=0x2000 +# CONFIG_SPL_MMC_SUPPORT is not set +CONFIG_ROCKCHIP_RK3288=y +CONFIG_TARGET_CHROMEBIT_MICKEY=y +CONFIG_SPL_SPI_FLASH_SUPPORT=y +CONFIG_SPL_SPI_SUPPORT=y +CONFIG_SPL_STACK_R_ADDR=0x80000 +CONFIG_DM_KEYBOARD=y +CONFIG_DEFAULT_DEVICE_TREE="rk3288-veyron-mickey" +# CONFIG_DISPLAY_CPUINFO is not set +CONFIG_SPL_STACK_R=y +CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000 +CONFIG_HUSH_PARSER=y +CONFIG_CMD_BOOTZ=y +# CONFIG_CMD_IMLS is not set +CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_SPI=y +CONFIG_CMD_I2C=y +CONFIG_CMD_GPIO=y +# CONFIG_CMD_SETEXPR is not set +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_TIME=y +CONFIG_CMD_PMIC=y +CONFIG_CMD_REGULATOR=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_EXT4=y +CONFIG_CMD_FAT=y +CONFIG_CMD_FS_GENERIC=y +CONFIG_SPL_OF_CONTROL=y +CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents" +CONFIG_REGMAP=y +CONFIG_SPL_REGMAP=y +CONFIG_SYSCON=y +CONFIG_SPL_SYSCON=y +# CONFIG_SPL_SIMPLE_BUS is not set +CONFIG_CLK=y +CONFIG_SPL_CLK=y +CONFIG_ROCKCHIP_GPIO=y +CONFIG_I2C_CROS_EC_TUNNEL=y +CONFIG_SYS_I2C_ROCKCHIP=y +CONFIG_I2C_MUX=y +CONFIG_CROS_EC_KEYB=y +CONFIG_CMD_CROS_EC=y +CONFIG_CROS_EC=y +CONFIG_CROS_EC_SPI=y +CONFIG_PWRSEQ=y +CONFIG_ROCKCHIP_DWMMC=y +CONFIG_PINCTRL=y +CONFIG_SPL_PINCTRL=y +# CONFIG_SPL_PINCTRL_FULL is not set +CONFIG_ROCKCHIP_RK3288_PINCTRL=y +CONFIG_DM_PMIC=y +# CONFIG_SPL_PMIC_CHILDREN is not set +CONFIG_PMIC_RK808=y +CONFIG_DM_REGULATOR=y +CONFIG_SPL_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y +CONFIG_REGULATOR_RK808=y +CONFIG_DM_PWM=y +CONFIG_PWM_ROCKCHIP=y +CONFIG_RAM=y +CONFIG_SPL_RAM=y +CONFIG_DEBUG_UART=y +CONFIG_DEBUG_UART_BASE=0xff690000 +CONFIG_DEBUG_UART_CLOCK=24000000 +CONFIG_DEBUG_UART_SHIFT=2 +CONFIG_SYS_NS16550=y +CONFIG_ROCKCHIP_SERIAL=y +CONFIG_ROCKCHIP_SPI=y +CONFIG_SYSRESET=y +CONFIG_DM_VIDEO=y +CONFIG_DISPLAY=y +CONFIG_VIDEO_ROCKCHIP=y +CONFIG_USE_TINY_PRINTF=y +CONFIG_CMD_DHRYSTONE=y +CONFIG_ERRNO_STR=y +CONFIG_SPL_OF_PLATDATA=y +# CONFIG_SPL_OF_LIBFDT is not set