rockchip: add support for rk3288 miniarm board

Miniarm is a rockchip rk3288 based development board, which has lots of
interface such as HDMI, USB, micro-SD card, Audio etc.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/Makefile

@@ -33,6 +33,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-rock2-square.dtb \
 	rk3288-evb.dtb \
 	rk3288-fennec.dtb \
+	rk3288-miniarm.dtb \
 	rk3288-popmetal.dtb \
 	rk3036-sdk.dtb \
 	rk3399-evb.dtb

arch/arm/dts/rk3288-miniarm.dts

@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+ X11
+ */
+
+/dts-v1/;
+#include "rk3288-miniarm.dtsi"
+
+/ {
+	model = "Miniarm-RK3288";
+	compatible = "rockchip,rk3288-miniarm", "rockchip,rk3288";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+};
+
+&dmc {
+	rockchip,num-channels = <2>;
+	rockchip,pctl-timing = <0x29a 0xc8 0x1f8 0x42 0x4e 0x4 0xea 0xa
+		0x5 0x0 0xa 0x7 0x19 0x24 0xa 0x7
+		0x5 0xa 0x5 0x200 0x5 0x10 0x40 0x0
+		0x1 0x7 0x7 0x4 0xc 0x43 0x100 0x0
+		0x5 0x0>;
+	rockchip,phy-timing = <0x48f9aab4 0xea0910 0x1002c200
+		0xa60 0x40 0x10 0x0>;
+	/* Add a dummy value to cause of-platdata think this is bytes */
+	rockchip,sdram-channel = /bits/ 8 <0x1 0xa 0x3 0x2 0x1 0x0 0xf 0xf 0xff>;
+	rockchip,sdram-params = <0x30B25564 0x627 3 666000000 3 9 1>;
+};
+
+
+&pinctrl {
+	u-boot,dm-pre-reloc;
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&uart2 {
+	u-boot,dm-pre-reloc;
+	reg-shift = <2>;
+};
+
+&sdmmc {
+	u-boot,dm-pre-reloc;
+};
+
+&emmc {
+	u-boot,dm-pre-reloc;
+};
+
+&gpio3 {
+	u-boot,dm-pre-reloc;
+};
+
+&gpio8 {
+	u-boot,dm-pre-reloc;
+};

arch/arm/dts/rk3288-miniarm.dtsi

@@ -0,0 +1,533 @@
+/*
+ * 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.
+ */
+
+#include "rk3288.dtsi"
+
+/ {
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x80000000>;
+	};
+
+	ext_gmac: external-gmac-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <125000000>;
+		clock-output-names = "ext_gmac";
+		#clock-cells = <0>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwrbtn>;
+
+		button@0 {
+			gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+			label = "GPIO Key Power";
+			linux,input-type = <1>;
+			gpio-key,wakeup = <1>;
+			debounce-interval = <100>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		pwr-led {
+			gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		act-led {
+			gpios=<&gpio2 3 GPIO_ACTIVE_LOW>;
+			linux,default-trigger="mmc0";
+		};
+	};
+
+	vcc_sys: vsys-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc_sys";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	/*
+	 * NOTE: vcc_sd isn't hooked up on v1.0 boards where power comes from
+	 * vcc_io directly.  Those boards won't be able to power cycle SD cards
+	 * but it shouldn't hurt to toggle this pin there anyway.
+	 */
+	vcc_sd: sdmmc-regulator {
+		compatible = "regulator-fixed";
+		gpio = <&gpio7 11 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sdmmc_pwr>;
+		regulator-name = "vcc_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <100000>;
+		vin-supply = <&vcc_io>;
+	};
+};
+
+&cpu0 {
+	cpu0-supply = <&vdd_cpu>;
+};
+
+&emmc {
+	broken-cd;
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	disable-wp;
+	non-removable;
+	num-slots = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_pwr &emmc_bus8>;
+	status = "okay";
+};
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <200>;
+	disable-wp;			/* wp not hooked up */
+	num-slots = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
+	status = "okay";
+	supports-sd;
+	vmmc-supply = <&vcc_sd>;
+	vqmmc-supply = <&vccio_sd>;
+};
+
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
+&gmac {
+	phy-supply = <&vcc33_lan>;
+	phy-mode = "rgmii";
+	clock_in_out = "input";
+	snps,reset-gpio = <&gpio4 7 0>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 1000000>;
+	assigned-clocks = <&cru SCLK_MAC>;
+	assigned-clock-parents = <&ext_gmac>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&rgmii_pins>;
+	tx_delay = <0x30>;
+	rx_delay = <0x10>;
+	status = "ok";
+};
+
+&hdmi {
+	ddc-i2c-bus = <&i2c5>;
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	rk808: pmic@1b {
+		compatible = "rockchip,rk808";
+		reg = <0x1b>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pmic_int &global_pwroff>;
+		rockchip,system-power-controller;
+		wakeup-source;
+		#clock-cells = <1>;
+		clock-output-names = "xin32k", "rk808-clkout2";
+
+		vcc1-supply = <&vcc_sys>;
+		vcc2-supply = <&vcc_sys>;
+		vcc3-supply = <&vcc_sys>;
+		vcc4-supply = <&vcc_sys>;
+		vcc6-supply = <&vcc_sys>;
+		vcc7-supply = <&vcc_sys>;
+		vcc8-supply = <&vcc_18>;
+		vcc9-supply = <&vcc_io>;
+		vcc10-supply = <&vcc_io>;
+		vcc11-supply = <&vcc_sys>;
+		vcc12-supply = <&vcc_io>;
+		vddio-supply = <&vcc18_ldo1>;
+
+		regulators {
+			vdd_cpu: DCDC_REG1 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <750000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-name = "vdd_arm";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vdd_gpu: DCDC_REG2 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <1250000>;
+				regulator-name = "vdd_gpu";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1000000>;
+				};
+			};
+
+			vcc_ddr: DCDC_REG3 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "vcc_ddr";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vcc_io: DCDC_REG4 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc_io";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+				};
+			};
+
+			vcc18_ldo1: LDO_REG1 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc18_ldo1";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vcc33_mipi: LDO_REG2 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc33_mipi";
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vdd_10: LDO_REG3 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-name = "vdd_10";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1000000>;
+				};
+			};
+
+			vcc18_codec: LDO_REG4 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc18_codec";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vccio_sd: LDO_REG5 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vccio_sd";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+				};
+			};
+
+			vdd10_lcd: LDO_REG6 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <1000000>;
+				regulator-name = "vdd10_lcd";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1000000>;
+				};
+			};
+
+			vcc_18: LDO_REG7 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc_18";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vcc18_lcd: LDO_REG8 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc18_lcd";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vcc33_sd: SWITCH_REG1 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "vcc33_sd";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vcc33_lan: SWITCH_REG2 {
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-name = "vcc33_lan";
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+		};
+	};
+};
+
+&i2c2 {
+	status = "okay";
+	headset: nau8825@1a {
+		compatible = "nuvoton,nau8825";
+		#sound-dai-cells = <0>;
+		reg = <0x1a>;
+		interrupt-parent = <&gpio6>;
+		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
+		nuvoton,jkdet-enable = <1>;
+		nuvoton,jkdet-pull-enable = <1>;
+		nuvoton,jkdet-pull-up = <0>;
+		nuvoton,jkdet-polarity = <1>;
+		nuvoton,vref-impedance = <2>;
+		nuvoton,micbias-voltage = <6>;
+		nuvoton,sar-threshold-num = <4>;
+		nuvoton,sar-threshold = <0xa 0x14 0x26 0x73>;
+		nuvoton,sar-hysteresis = <0>;
+		nuvoton,sar-voltage = <6>;
+		nuvoton,sar-compare-time = <0>;
+		nuvoton,sar-sampling-time = <0>;
+		nuvoton,short-key-debounce = <3>;
+		nuvoton,jack-insert-debounce = <7>;
+		nuvoton,jack-eject-debounce = <7>;
+		clock-names = "mclk";
+		clocks = <&cru SCLK_I2S0_OUT>;
+	};
+};
+
+&i2c5 {
+	status = "okay";
+};
+
+&wdt {
+	status = "okay";
+};
+
+&pwm0 {
+	status = "okay";
+};
+
+&saradc {
+	vref-supply = <&vcc18_ldo1>;
+	status ="okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart3 {
+	status = "okay";
+};
+
+&uart4 {
+	status = "okay";
+};
+
+&tsadc {
+	rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
+	rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */
+	status = "okay";
+};
+
+&usbphy {
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host1 {
+	status = "okay";
+};
+
+&usb_otg {
+	status= "okay";
+};
+
+&vopb {
+	status = "okay";
+};
+
+&vopb_mmu {
+	status = "okay";
+};
+
+&vopl {
+	status = "okay";
+};
+
+&vopl_mmu {
+	status = "okay";
+};
+
+&pinctrl {
+	pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
+		drive-strength = <8>;
+	};
+
+	pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
+		bias-pull-up;
+		drive-strength = <8>;
+	};
+
+	backlight {
+		bl_en: bl-en {
+			rockchip,pins = <7 2 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	buttons {
+		pwrbtn: pwrbtn {
+			rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	eth_phy {
+		eth_phy_pwr: eth-phy-pwr {
+			rockchip,pins = <0 6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	pmic {
+		pmic_int: pmic-int {
+			rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+
+	sdmmc {
+		/*
+		 * Default drive strength isn't enough to achieve even
+		 * high-speed mode on EVB board so bump up to 8ma.
+		 */
+		sdmmc_bus4: sdmmc-bus4 {
+			rockchip,pins = <6 16 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+					<6 17 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+					<6 18 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+					<6 19 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
+		};
+
+		sdmmc_clk: sdmmc-clk {
+			rockchip,pins = <6 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
+		};
+
+		sdmmc_cmd: sdmmc-cmd {
+			rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
+		};
+
+		sdmmc_pwr: sdmmc-pwr {
+			rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
+	usb {
+		host_vbus_drv: host-vbus-drv {
+			rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pwr_3g: pwr-3g {
+			rockchip,pins = <7 8 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};

arch/arm/mach-rockchip/rk3288/Kconfig

@@ -33,6 +33,14 @@ config TARGET_POPMETAL_RK3288
 	  2GB DDR3. Expansion connectors provide access to I2C, SPI, UART,
 	  GPIOs and display interface.
 
+config TARGET_MINIARM_RK3288
+	bool "miniarm-RK3288"
+	help
+	  Miniarm is a RK3288-based development board with 2 USB ports, HDMI,
+	  micro-SD card, audio, Gigabit Ethernet. It also includes on-board
+	  8GB eMMC and 2GB of SDRAM. Expansion connectors provide access to
+	  I2C, SPI, UART, GPIOs.
+
 config TARGET_CHROMEBOOK_JERRY
 	bool "Google/Rockchip Veyron-Jerry Chromebook"
 	help
@@ -64,16 +72,18 @@ config SYS_SOC
 config SYS_MALLOC_F_LEN
 	default 0x0800
 
-source "board/google/chromebook_jerry/Kconfig"
+source "board/chipspark/popmetal_rk3288/Kconfig"
 
 source "board/firefly/firefly-rk3288/Kconfig"
 
+source "board/google/chromebook_jerry/Kconfig"
+
 source "board/radxa/rock2/Kconfig"
 
 source "board/rockchip/evb_rk3288/Kconfig"
 
 source "board/rockchip/fennec_rk3288/Kconfig"
 
-source "board/chipspark/popmetal_rk3288/Kconfig"
+source "board/rockchip/miniarm_rk3288/Kconfig"
 
 endif

board/rockchip/miniarm_rk3288/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_MINIARM_RK3288
+
+config SYS_BOARD
+	default "miniarm_rk3288"
+
+config SYS_VENDOR
+	default "rockchip"
+
+config SYS_CONFIG_NAME
+	default "miniarm_rk3288"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif

board/rockchip/miniarm_rk3288/MAINTAINERS

@@ -0,0 +1,6 @@
+MINIARM-RK3288
+M:	Lin Huang <hl@rock-chips.com>
+S:	Maintained
+F:	board/rockchip/miniarm_rk3288
+F:	include/configs/miniarm_rk3288.h
+F:	configs/miniarm-rk3288_defconfig

board/rockchip/miniarm_rk3288/Makefile

@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2016 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= miniarm-rk3288.o

board/rockchip/miniarm_rk3288/miniarm-rk3288.c

@@ -0,0 +1,15 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+
+void board_boot_order(u32 *spl_boot_list)
+{
+	/* eMMC prior to sdcard */
+	spl_boot_list[0] = BOOT_DEVICE_MMC2;
+	spl_boot_list[1] = BOOT_DEVICE_MMC1;
+}

configs/miniarm-rk3288_defconfig

@@ -0,0 +1,65 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ROCKCHIP_RK3288=y
+CONFIG_TARGET_MINIARM_RK3288=y
+CONFIG_SPL_STACK_R_ADDR=0x80000
+CONFIG_DEFAULT_DEVICE_TREE="rk3288-miniarm"
+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_SYS_I2C_ROCKCHIP=y
+CONFIG_SYSRESET=y
+CONFIG_DM_MMC=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_PMIC_RK808=y
+CONFIG_DM_REGULATOR=y
+CONFIG_REGULATOR_RK808=y
+CONFIG_DM_REGULATOR_FIXED=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_USE_PRIVATE_LIBGCC=y
+CONFIG_USE_TINY_PRINTF=y
+CONFIG_CMD_DHRYSTONE=y
+CONFIG_ERRNO_STR=y

doc/README.rockchip

@@ -36,14 +36,15 @@ You will need:
 Building
 ========
 
-At present six RK3288 boards are supported:
+At present seven RK3288 boards are supported:
 
-   - Firefly RK3288 - use firefly-rk3288 configuration
-   - Radxa Rock 2 - use rock2 configuration
-   - Hisense Chromebook - use chromebook_jerry configuration
    - EVB RK3288 - use evb-rk3288 configuration
    - Fennec RK3288 - use fennec-rk3288 configuration
+   - Firefly RK3288 - use firefly-rk3288 configuration
+   - Hisense Chromebook - use chromebook_jerry configuration
+   - Miniarm RK3288 - use miniarm-rk3288 configuration
    - PopMetal RK3288 - use popmetal-rk3288 configuration
+   - Radxa Rock 2 - use rock2 configuration
 
 Two RK3036 board are supported:
 

include/configs/miniarm_rk3288.h

@@ -0,0 +1,26 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define ROCKCHIP_DEVICE_SETTINGS
+#include <configs/rk3288_common.h>
+
+#define CONFIG_SPL_MMC_SUPPORT
+
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV 1
+/* SPL @ 32k for ~36k
+ * ENV @ 96k
+ * u-boot @ 128K
+ */
+#define CONFIG_ENV_OFFSET (96 * 1024)
+
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define CONFIG_CONSOLE_SCROLL_LINES		10
+
+#endif