board: rockchip: Add LCKFB TaishanPi RK3566 Board

The LCKFB TaishanPi is a single-board computer based on the RK3566 SoC.

Specification:
- 1/2 Gib RAM
- Optinal EMMC
- SD-Card
- HDMI / MIPI CSI / MIPI DSI
- USB 2.0 Host (Type-A)
- USB 2.0 Host / OTG (Type-C)
- No Ethernet

This patch adds U-Boot support for the LCKFB TaishanPi RK3566 board, including:
- U-Boot device tree
- Default defconfig
- Board documentation
- MAINTAINERS entry

Changes in v2:
- Removed unused configs from `lckfb-tspi-rk3566_defconfig`
- Reordered TaishanPi entry in `doc/board/rockchip/rockchip.rst` alphabetically

Link to v1:
https://lore.kernel.org/u-boot/tencent_95ED0C0545D87B6A8C4B62EC045D53AD2406@qq.com/

Signed-off-by: Jiehui He <jiehui.he@foxmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/dts/rk3566-lckfb-tspi-u-boot.dtsi

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+#include "rk356x-u-boot.dtsi"
+
+&rgb_led_r {
+	default-state = "off";
+};
+
+&rgb_led_b {
+	default-state = "off";
+};

board/rockchip/evb_rk3568/MAINTAINERS

@@ -89,3 +89,9 @@ M:	Maxim Moskalets <maximmosk4@gmail.com>
 S:	Maintained
 F:	arch/arm/dts/rk3566-rock-3c-u-boot.dtsi
 F:	configs/rock-3c-rk3566_defconfig
+
+LCKFB-TaishanPi
+M:	Jiehui He <jiehui.he@foxmail.com>
+S:	Maintained
+F:	configs/lckfb-tspi-rk3566_defconfig
+F:	arch/arm/dts/rk3566-lckfb-tspi-u-boot.dtsi

configs/lckfb-tspi-rk3566_defconfig

@@ -0,0 +1,78 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3566-lckfb-tspi"
+CONFIG_ROCKCHIP_RK3568=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SYS_LOAD_ADDR=0xc00800
+CONFIG_DEBUG_UART_BASE=0xFE660000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_FIT_SIGNATURE=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_LEGACY_IMAGE_FORMAT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-lckfb-tspi.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_SPL_MAX_SIZE=0x40000
+CONFIG_SPL_PAD_TO=0x7f8000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_ATF=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_ROCKUSB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_SYSCON=y
+CONFIG_SPL_CLK=y
+# CONFIG_USB_FUNCTION_FASTBOOT is not set
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_MISC=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_FAN53555=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_SPL_RAM=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_PSCI=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_GENERIC=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_USB_FUNCTION_ROCKUSB=y
+CONFIG_ERRNO_STR=y

doc/board/rockchip/rockchip.rst

@@ -107,6 +107,7 @@ List of mainline supported Rockchip boards:
      - Anbernic RGxx3 (anbernic-rgxx3-rk3566)
      - FriendlyElec NanoPi R3S (nanopi-r3s-rk3566)
      - Hardkernel ODROID-M1S (odroid-m1s-rk3566)
+     - LCKFB TaishanPi (lckfb-tspi-rk3566)
      - Pine64 PineTab2 (pinetab2-rk3566)
      - Pine64 Quartz64-A Board (quartz64-a-rk3566)
      - Pine64 Quartz64-B Board (quartz64-b-rk3566)