[PATCH 6/6] rockchip: rk3328: Add support for ROC-RK3328-CC board

Kever Yang kever.yang at rock-chips.com
Fri Mar 27 07:41:29 CET 2020


On 2020/3/27 下午12:41, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens at csie.org>
>
> The ROC-RK3328-CC from Firefly and Libre Computer Project is a credit
> card size development board based on the Rockchip RK3328 SoC, with:
>
>    - 1/2/4 GB DDR4 DRAM
>    - eMMC connector for optional module
>    - micro SD card slot
>    - 1 x USB 3.0 host port
>    - 2 x USB 2.0 host port
>    - 1 x USB 2.0 OTG port
>    - HDMI video output
>    - TRRS connector with audio and composite video output
>    - gigabit Ethernet
>    - consumer IR receiver
>    - debug UART pins
>
> The ROC-RK3328-CC has the enable pin of the SD card power switch tied
> to GPIO_0_D6. This pin also has the function SDMMC0_PWREN, which is
> muxed by default. SDMMC0_PWREN is an active high signal controlled by
> the MMC controller, however the switch enable is active low, and
> pulled low (enabled) by default to make things work on boot.
>
> As such, we need to mux away from SDMMC0_PWREN and use GPIO to enable
> power to the card. The default GPIO state for the pin is pull-down and
> input, which doesn't require extra configuration when paired with the
> external pull-down and active low switch.
>
> Thus we make a custom target for this board and do the muxing in its
> spl_board_init() function.
>
> The device tree file is synced from the Linux kernel next-20200324.
>
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>


Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/Makefile                   |   1 +
>   arch/arm/dts/rk3328-roc-cc-u-boot.dtsi  |  17 ++
>   arch/arm/dts/rk3328-roc-cc.dts          | 354 ++++++++++++++++++++++++
>   arch/arm/mach-rockchip/rk3328/Kconfig   |   8 +
>   board/firefly/roc-cc-rk3328/Kconfig     |  24 ++
>   board/firefly/roc-cc-rk3328/MAINTAINERS |   7 +
>   board/firefly/roc-cc-rk3328/Makefile    |   1 +
>   board/firefly/roc-cc-rk3328/board.c     |  38 +++
>   configs/roc-cc-rk3328_defconfig         |  97 +++++++
>   doc/README.rockchip                     |   4 +-
>   10 files changed, 550 insertions(+), 1 deletion(-)
>   create mode 100644 arch/arm/dts/rk3328-roc-cc-u-boot.dtsi
>   create mode 100644 arch/arm/dts/rk3328-roc-cc.dts
>   create mode 100644 board/firefly/roc-cc-rk3328/Kconfig
>   create mode 100644 board/firefly/roc-cc-rk3328/MAINTAINERS
>   create mode 100644 board/firefly/roc-cc-rk3328/Makefile
>   create mode 100644 board/firefly/roc-cc-rk3328/board.c
>   create mode 100644 configs/roc-cc-rk3328_defconfig
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 9c593b2c986a..023cb010532d 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -104,6 +104,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3308) += \
>   
>   dtb-$(CONFIG_ROCKCHIP_RK3328) += \
>   	rk3328-evb.dtb \
> +	rk3328-roc-cc.dtb \
>   	rk3328-rock64.dtb
>   
>   dtb-$(CONFIG_ROCKCHIP_RK3368) += \
> diff --git a/arch/arm/dts/rk3328-roc-cc-u-boot.dtsi b/arch/arm/dts/rk3328-roc-cc-u-boot.dtsi
> new file mode 100644
> index 000000000000..15b67f8bbdf4
> --- /dev/null
> +++ b/arch/arm/dts/rk3328-roc-cc-u-boot.dtsi
> @@ -0,0 +1,17 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * (C) Copyright 2018-2019 Rockchip Electronics Co., Ltd
> + */
> +
> +#include "rk3328-u-boot.dtsi"
> +#include "rk3328-sdram-ddr4-666.dtsi"
> +/ {
> +	chosen {
> +		u-boot,spl-boot-order = "same-as-spl", &sdmmc, &emmc;
> +	};
> +};
> +
> +&usb_host0_xhci {
> +	vbus-supply = <&vcc_host1_5v>;
> +	status = "okay";
> +};
> diff --git a/arch/arm/dts/rk3328-roc-cc.dts b/arch/arm/dts/rk3328-roc-cc.dts
> new file mode 100644
> index 000000000000..8d553c92182a
> --- /dev/null
> +++ b/arch/arm/dts/rk3328-roc-cc.dts
> @@ -0,0 +1,354 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2017 T-Chip Intelligent Technology Co., Ltd
> + */
> +
> +/dts-v1/;
> +#include "rk3328.dtsi"
> +
> +/ {
> +	model = "Firefly roc-rk3328-cc";
> +	compatible = "firefly,roc-rk3328-cc", "rockchip,rk3328";
> +
> +	chosen {
> +		stdout-path = "serial2:1500000n8";
> +	};
> +
> +	gmac_clkin: external-gmac-clock {
> +		compatible = "fixed-clock";
> +		clock-frequency = <125000000>;
> +		clock-output-names = "gmac_clkin";
> +		#clock-cells = <0>;
> +	};
> +
> +	dc_12v: dc-12v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "dc_12v";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <12000000>;
> +		regulator-max-microvolt = <12000000>;
> +	};
> +
> +	vcc_sd: sdmmc-regulator {
> +		compatible = "regulator-fixed";
> +		gpio = <&gpio0 RK_PD6 GPIO_ACTIVE_LOW>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&sdmmc0m1_gpio>;
> +		regulator-boot-on;
> +		regulator-name = "vcc_sd";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vcc_io>;
> +	};
> +
> +	vcc_sdio: sdmmcio-regulator {
> +		compatible = "regulator-gpio";
> +		gpios = <&grf_gpio 0 GPIO_ACTIVE_HIGH>;
> +		states = <1800000 0x1
> +			  3300000 0x0>;
> +		regulator-name = "vcc_sdio";
> +		regulator-type = "voltage";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +		vin-supply = <&vcc_sys>;
> +	};
> +
> +	vcc_host1_5v: vcc_otg_5v: vcc-host1-5v-regulator {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio1 RK_PD2 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&usb20_host_drv>;
> +		regulator-name = "vcc_host1_5v";
> +		regulator-always-on;
> +		vin-supply = <&vcc_sys>;
> +	};
> +
> +	vcc_sys: vcc-sys {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_sys";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		vin-supply = <&dc_12v>;
> +	};
> +
> +	vcc_phy: vcc-phy-regulator {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc_phy";
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		power {
> +			label = "firefly:blue:power";
> +			linux,default-trigger = "heartbeat";
> +			gpios = <&rk805 1 GPIO_ACTIVE_LOW>;
> +			default-state = "on";
> +			mode = <0x23>;
> +		};
> +
> +		user {
> +			label = "firefly:yellow:user";
> +			linux,default-trigger = "mmc1";
> +			gpios = <&rk805 0 GPIO_ACTIVE_LOW>;
> +			default-state = "off";
> +			mode = <0x05>;
> +		};
> +	};
> +};
> +
> +&cpu0 {
> +	cpu-supply = <&vdd_arm>;
> +};
> +
> +&cpu1 {
> +	cpu-supply = <&vdd_arm>;
> +};
> +
> +&cpu2 {
> +	cpu-supply = <&vdd_arm>;
> +};
> +
> +&cpu3 {
> +	cpu-supply = <&vdd_arm>;
> +};
> +
> +&emmc {
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +	max-frequency = <150000000>;
> +	mmc-ddr-1_8v;
> +	mmc-hs200-1_8v;
> +	non-removable;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
> +	vmmc-supply = <&vcc_io>;
> +	vqmmc-supply = <&vcc18_emmc>;
> +	status = "okay";
> +};
> +
> +&gmac2io {
> +	assigned-clocks = <&cru SCLK_MAC2IO>, <&cru SCLK_MAC2IO_EXT>;
> +	assigned-clock-parents = <&gmac_clkin>, <&gmac_clkin>;
> +	clock_in_out = "input";
> +	phy-supply = <&vcc_phy>;
> +	phy-mode = "rgmii";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&rgmiim1_pins>;
> +	snps,aal;
> +	snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
> +	snps,reset-active-low;
> +	snps,reset-delays-us = <0 10000 50000>;
> +	snps,rxpbl = <0x4>;
> +	snps,txpbl = <0x4>;
> +	tx_delay = <0x24>;
> +	rx_delay = <0x18>;
> +	status = "okay";
> +};
> +
> +&hdmi {
> +	status = "okay";
> +};
> +
> +&hdmiphy {
> +	status = "okay";
> +};
> +
> +&i2c1 {
> +	status = "okay";
> +
> +	rk805: pmic at 18 {
> +		compatible = "rockchip,rk805";
> +		reg = <0x18>;
> +		interrupt-parent = <&gpio1>;
> +		interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
> +		#clock-cells = <1>;
> +		clock-output-names = "xin32k", "rk805-clkout2";
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pmic_int_l>;
> +		rockchip,system-power-controller;
> +		wakeup-source;
> +
> +		vcc1-supply = <&vcc_sys>;
> +		vcc2-supply = <&vcc_sys>;
> +		vcc3-supply = <&vcc_sys>;
> +		vcc4-supply = <&vcc_sys>;
> +		vcc5-supply = <&vcc_io>;
> +		vcc6-supply = <&vcc_io>;
> +
> +		regulators {
> +			vdd_logic: DCDC_REG1 {
> +				regulator-name = "vdd_logic";
> +				regulator-min-microvolt = <712500>;
> +				regulator-max-microvolt = <1450000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-microvolt = <1000000>;
> +				};
> +			};
> +
> +			vdd_arm: DCDC_REG2 {
> +				regulator-name = "vdd_arm";
> +				regulator-min-microvolt = <712500>;
> +				regulator-max-microvolt = <1450000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-microvolt = <950000>;
> +				};
> +			};
> +
> +			vcc_ddr: DCDC_REG3 {
> +				regulator-name = "vcc_ddr";
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +				};
> +			};
> +
> +			vcc_io: DCDC_REG4 {
> +				regulator-name = "vcc_io";
> +				regulator-min-microvolt = <3300000>;
> +				regulator-max-microvolt = <3300000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-microvolt = <3300000>;
> +				};
> +			};
> +
> +			vcc_18: LDO_REG1 {
> +				regulator-name = "vcc_18";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-microvolt = <1800000>;
> +				};
> +			};
> +
> +			vcc18_emmc: LDO_REG2 {
> +				regulator-name = "vcc18_emmc";
> +				regulator-min-microvolt = <1800000>;
> +				regulator-max-microvolt = <1800000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-microvolt = <1800000>;
> +				};
> +			};
> +
> +			vdd_10: LDO_REG3 {
> +				regulator-name = "vdd_10";
> +				regulator-min-microvolt = <1000000>;
> +				regulator-max-microvolt = <1000000>;
> +				regulator-always-on;
> +				regulator-boot-on;
> +				regulator-state-mem {
> +					regulator-on-in-suspend;
> +					regulator-suspend-microvolt = <1000000>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&io_domains {
> +	status = "okay";
> +
> +	vccio1-supply = <&vcc_io>;
> +	vccio2-supply = <&vcc18_emmc>;
> +	vccio3-supply = <&vcc_sdio>;
> +	vccio4-supply = <&vcc_18>;
> +	vccio5-supply = <&vcc_io>;
> +	vccio6-supply = <&vcc_io>;
> +	pmuio-supply = <&vcc_io>;
> +};
> +
> +&pinctrl {
> +	pmic {
> +		pmic_int_l: pmic-int-l {
> +			rockchip,pins = <1 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
> +		};
> +	};
> +
> +	usb2 {
> +		usb20_host_drv: usb20-host-drv {
> +			rockchip,pins = <1 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
> +		};
> +	};
> +};
> +
> +&sdmmc {
> +	bus-width = <4>;
> +	cap-mmc-highspeed;
> +	cap-sd-highspeed;
> +	disable-wp;
> +	max-frequency = <150000000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_dectn &sdmmc0_bus4>;
> +	sd-uhs-sdr12;
> +	sd-uhs-sdr25;
> +	sd-uhs-sdr50;
> +	sd-uhs-sdr104;
> +	vmmc-supply = <&vcc_sd>;
> +	vqmmc-supply = <&vcc_sdio>;
> +	status = "okay";
> +};
> +
> +&tsadc {
> +	status = "okay";
> +};
> +
> +&u2phy {
> +	status = "okay";
> +};
> +
> +&u2phy_host {
> +	status = "okay";
> +};
> +
> +&u2phy_otg {
> +	status = "okay";
> +};
> +
> +&uart2 {
> +	status = "okay";
> +};
> +
> +&usb20_otg {
> +	status = "okay";
> +};
> +
> +&usb_host0_ehci {
> +	status = "okay";
> +};
> +
> +&usb_host0_ohci {
> +	status = "okay";
> +};
> +
> +&vop {
> +	status = "okay";
> +};
> +
> +&vop_mmu {
> +	status = "okay";
> +};
> diff --git a/arch/arm/mach-rockchip/rk3328/Kconfig b/arch/arm/mach-rockchip/rk3328/Kconfig
> index d13a16902267..868ecb435691 100644
> --- a/arch/arm/mach-rockchip/rk3328/Kconfig
> +++ b/arch/arm/mach-rockchip/rk3328/Kconfig
> @@ -10,6 +10,13 @@ config TARGET_EVB_RK3328
>   	  with full function and phisical connectors support like
>   	  usb2.0 host ports, LVDS, JTAG, MAC, SDcard, HDMI, USB-2-serial...
>   
> +config TARGET_ROC_RK3328_CC
> +	bool "Firefly / Libre Computer ROC-RK3328-CC"
> +	select SPL_BOARD_INIT
> +	help
> +	  ROC-RK3328-CC is a credit sized development board based on the
> +	  RK3328 SoC.
> +
>   endchoice
>   
>   config ROCKCHIP_BOOT_MODE_REG
> @@ -40,5 +47,6 @@ config TPL_STACK
>   	default 0xff098000
>   
>   source "board/rockchip/evb_rk3328/Kconfig"
> +source "board/firefly/roc-cc-rk3328/Kconfig"
>   
>   endif
> diff --git a/board/firefly/roc-cc-rk3328/Kconfig b/board/firefly/roc-cc-rk3328/Kconfig
> new file mode 100644
> index 000000000000..282aa28bfb4f
> --- /dev/null
> +++ b/board/firefly/roc-cc-rk3328/Kconfig
> @@ -0,0 +1,24 @@
> +if TARGET_ROC_RK3328_CC
> +
> +# This target only requires SPL_BOARD_INIT for special handling of
> +# pinmuxing in SPL, which is selected by TARGET_ROC_RK3328_CC.
> +# The config is otherwise the same as evb_rk3328.
> +
> +# Follow existing naming convention for the board directory
> +config SYS_BOARD
> +        default "roc-cc-rk3328"
> +
> +config SYS_VENDOR
> +        default "firefly"
> +
> +config SYS_CONFIG_NAME
> +        default "evb_rk3328"
> +
> +config BOARD_SPECIFIC_OPTIONS # dummy
> +        def_bool y
> +
> +# But use the proper name for SMBIOS tables
> +config SMBIOS_PRODUCT_NAME
> +	default "roc-rk3328-cc"
> +
> +endif
> diff --git a/board/firefly/roc-cc-rk3328/MAINTAINERS b/board/firefly/roc-cc-rk3328/MAINTAINERS
> new file mode 100644
> index 000000000000..f2318e71ac33
> --- /dev/null
> +++ b/board/firefly/roc-cc-rk3328/MAINTAINERS
> @@ -0,0 +1,7 @@
> +ROC-RK3328-CC
> +M:      Loic Devulder <ldevulder at suse.com>
> +M:	Chen-Yu Tsai <wens at csie.org>
> +S:      Maintained
> +F:	board/firefly/roc-cc-rk3328/
> +F:      configs/roc-rk3328-cc_defconfig
> +F:      arch/arm/dts/rk3328-roc-cc-u-boot.dtsi
> diff --git a/board/firefly/roc-cc-rk3328/Makefile b/board/firefly/roc-cc-rk3328/Makefile
> new file mode 100644
> index 000000000000..1550b5f5f16e
> --- /dev/null
> +++ b/board/firefly/roc-cc-rk3328/Makefile
> @@ -0,0 +1 @@
> +obj-y	:= board.o
> diff --git a/board/firefly/roc-cc-rk3328/board.c b/board/firefly/roc-cc-rk3328/board.c
> new file mode 100644
> index 000000000000..eca58c86b53e
> --- /dev/null
> +++ b/board/firefly/roc-cc-rk3328/board.c
> @@ -0,0 +1,38 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * (C) Copyright 2020 Chen-Yu Tsai <wens at csie.org>
> + */
> +#include <asm/io.h>
> +
> +#include <asm/arch-rockchip/grf_rk3328.h>
> +#include <asm/arch-rockchip/hardware.h>
> +
> +#if defined(CONFIG_SPL_BUILD)
> +
> +#define GRF_BASE	0xFF100000
> +
> +enum {
> +	GPIO_0_D6_GPIO	= 0   << 12,
> +	GPIO_0_D6_MASK	= 0x3 << 12
> +};
> +
> +/*
> + * The ROC-RK3328-CC has the enable pin of the SD card power switch tied
> + * to GPIO_0_D6. This pin also has the function SDMMC0_PWREN, which is
> + * muxed by default. SDMMC0_PWREN is an active high signal controlled by
> + * the MMC controller, however the switch enable is active low, and
> + * pulled low (enabled) by default to make things work on boot.
> + *
> + * As such, we need to mux away from SDMMC0_PWREN and use GPIO to enable
> + * power to the card. The default GPIO state for the pin is pull-down and
> + * input, which doesn't require extra configuration when paired with the
> + * external pull-down and active low switch.
> + */
> +void spl_board_init(void)
> +{
> +	struct rk3328_grf_regs * const grf = (void *)GRF_BASE;
> +
> +	rk_clrsetreg(&grf->gpio0d_iomux, GPIO_0_D6_MASK, GPIO_0_D6_GPIO);
> +}
> +
> +#endif
> diff --git a/configs/roc-cc-rk3328_defconfig b/configs/roc-cc-rk3328_defconfig
> new file mode 100644
> index 000000000000..047e323704ac
> --- /dev/null
> +++ b/configs/roc-cc-rk3328_defconfig
> @@ -0,0 +1,97 @@
> +CONFIG_ARM=y
> +CONFIG_ARCH_ROCKCHIP=y
> +CONFIG_SYS_TEXT_BASE=0x00200000
> +CONFIG_ENV_OFFSET=0x3F8000
> +CONFIG_ROCKCHIP_RK3328=y
> +CONFIG_TPL_ROCKCHIP_COMMON_BOARD=y
> +CONFIG_TPL_LIBCOMMON_SUPPORT=y
> +CONFIG_TPL_LIBGENERIC_SUPPORT=y
> +CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
> +CONFIG_TARGET_ROC_RK3328_CC=y
> +CONFIG_SPL_STACK_R_ADDR=0x600000
> +CONFIG_NR_DRAM_BANKS=1
> +CONFIG_DEBUG_UART_BASE=0xFF130000
> +CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_DEBUG_UART=y
> +CONFIG_TPL_SYS_MALLOC_F_LEN=0x800
> +# CONFIG_ANDROID_BOOT_IMAGE is not set
> +CONFIG_FIT=y
> +CONFIG_FIT_VERBOSE=y
> +CONFIG_SPL_LOAD_FIT=y
> +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3328-roc-cc.dtb"
> +CONFIG_MISC_INIT_R=y
> +# CONFIG_DISPLAY_CPUINFO is not set
> +CONFIG_DISPLAY_BOARDINFO_LATE=y
> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_TPL_SYS_MALLOC_SIMPLE=y
> +CONFIG_SPL_STACK_R=y
> +CONFIG_SPL_ATF=y
> +CONFIG_SPL_ATF_NO_PLATFORM_PARAM=y
> +CONFIG_CMD_BOOTZ=y
> +CONFIG_CMD_GPT=y
> +CONFIG_CMD_MMC=y
> +CONFIG_CMD_USB=y
> +# CONFIG_CMD_SETEXPR is not set
> +CONFIG_CMD_TIME=y
> +CONFIG_SPL_OF_CONTROL=y
> +CONFIG_TPL_OF_CONTROL=y
> +CONFIG_DEFAULT_DEVICE_TREE="rk3328-roc-cc"
> +CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
> +CONFIG_TPL_OF_PLATDATA=y
> +CONFIG_ENV_IS_IN_MMC=y
> +CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_NET_RANDOM_ETHADDR=y
> +CONFIG_TPL_DM=y
> +CONFIG_REGMAP=y
> +CONFIG_SPL_REGMAP=y
> +CONFIG_TPL_REGMAP=y
> +CONFIG_SYSCON=y
> +CONFIG_SPL_SYSCON=y
> +CONFIG_TPL_SYSCON=y
> +CONFIG_CLK=y
> +CONFIG_SPL_CLK=y
> +CONFIG_FASTBOOT_BUF_ADDR=0x800800
> +CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
> +CONFIG_ROCKCHIP_GPIO=y
> +CONFIG_SYS_I2C_ROCKCHIP=y
> +CONFIG_MMC_DW=y
> +CONFIG_MMC_DW_ROCKCHIP=y
> +CONFIG_SF_DEFAULT_SPEED=20000000
> +CONFIG_PHY_REALTEK=y
> +CONFIG_DM_ETH=y
> +CONFIG_PHY_GIGE=y
> +CONFIG_ETH_DESIGNWARE=y
> +CONFIG_GMAC_ROCKCHIP=y
> +CONFIG_PHY=y
> +CONFIG_PINCTRL=y
> +CONFIG_SPL_PINCTRL=y
> +CONFIG_DM_PMIC=y
> +CONFIG_PMIC_RK8XX=y
> +CONFIG_REGULATOR_PWM=y
> +CONFIG_DM_REGULATOR_FIXED=y
> +CONFIG_DM_REGULATOR_GPIO=y
> +CONFIG_REGULATOR_RK8XX=y
> +CONFIG_PWM_ROCKCHIP=y
> +CONFIG_RAM=y
> +CONFIG_SPL_RAM=y
> +CONFIG_TPL_RAM=y
> +CONFIG_DM_RESET=y
> +CONFIG_BAUDRATE=1500000
> +CONFIG_DEBUG_UART_SHIFT=2
> +CONFIG_SYSRESET=y
> +# CONFIG_TPL_SYSRESET is not set
> +CONFIG_USB=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_USB_XHCI_DWC3=y
> +CONFIG_USB_EHCI_HCD=y
> +CONFIG_USB_EHCI_GENERIC=y
> +CONFIG_USB_OHCI_HCD=y
> +CONFIG_USB_OHCI_GENERIC=y
> +CONFIG_USB_DWC2=y
> +CONFIG_USB_DWC3=y
> +# CONFIG_USB_DWC3_GADGET is not set
> +CONFIG_USB_GADGET=y
> +CONFIG_USB_GADGET_DWC2_OTG=y
> +CONFIG_SPL_TINY_MEMSET=y
> +CONFIG_TPL_TINY_MEMSET=y
> +CONFIG_ERRNO_STR=y
> diff --git a/doc/README.rockchip b/doc/README.rockchip
> index 9b699b9ae5d3..01ee48df46e3 100644
> --- a/doc/README.rockchip
> +++ b/doc/README.rockchip
> @@ -52,10 +52,12 @@ Two RK3308 boards are supported:
>      - EVB RK3308 - use evb-rk3308 configuration
>      - ROC-CC-RK3308 - use roc-cc-rk3308 configuration
>   
> -Two RK3328 board are supported:
> +Three RK3328 board are supported:
>   
>      - EVB RK3328 - use evb-rk3328_defconfig
>      - Pine64 Rock64 board - use rock64-rk3328_defconfig
> +   - Firefly / Libre Computer Project ROC-RK3328-CC board -
> +     use roc-cc-rk3328_defconfig
>   
>   Size RK3399 boards are supported (aarch64):
>   




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