rockchip: Add support for Radxa ROCK 5C

Radxa ROCK 5C[1] is a Rockchip RK3588S2 based single board computer.

[1] https://radxa.com/products/rock5/5c

Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/dts/rk3588s-rock-5c-u-boot.dtsi

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2024-2025 Radxa Computer (Shenzhen) Co., Ltd.
+ */
+
+#include "rk3588s-u-boot.dtsi"
+
+&sdhci {
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+};

arch/arm/mach-rockchip/rk3588/Kconfig

@@ -282,6 +282,26 @@ config TARGET_ROCK_5_ITX_RK3588
 	  Front-panel connectors for audio and case-power, -leds
 	  Powered by either 12V, ATX power-supply or PoE
 
+config TARGET_ROCK_5C_RK3588S
+	bool "Radxa ROCK 5C RK3588S2 board"
+	select BOARD_LATE_INIT
+	help
+	  Radxa ROCK 5C is a Rockchip RK3588S2 based single board computer.
+
+	  Specification:
+
+	  Quad A76 and Quad A55 CPU
+	  6 TOPS NPU
+	  up to 32GB LPDDR4x RAM
+	  eMMC / SPI flash connector
+	  Micro SD Card slot
+	  Gigabit ethernet port (supports PoE with add-on PoE HAT)
+	  WiFi6 / BT5.4
+	  1x USB 3.0 Type-A HOST port
+	  1x USB 3.0 Type-A OTG port
+	  2x USB 2.0 Type-A HOST port
+	  1x USB Type-C 5V power port
+
 config TARGET_SIGE7_RK3588
 	bool "ArmSoM Sige7 RK3588 board"
 	select BOARD_LATE_INIT
@@ -421,6 +441,7 @@ source "board/turing/turing-rk1-rk3588/Kconfig"
 source "board/radxa/rock5a-rk3588s/Kconfig"
 source "board/radxa/rock5b-rk3588/Kconfig"
 source "board/radxa/rock-5-itx-rk3588/Kconfig"
+source "board/radxa/rock-5c-rk3588s/Kconfig"
 source "board/rockchip/evb_rk3588/Kconfig"
 source "board/rockchip/toybrick_rk3588/Kconfig"
 source "board/theobroma-systems/jaguar_rk3588/Kconfig"

board/radxa/rock-5c-rk3588s/Kconfig

@@ -0,0 +1,12 @@
+if TARGET_ROCK_5C_RK3588S
+
+config SYS_BOARD
+	default "rock-5c-rk3588s"
+
+config SYS_VENDOR
+	default "radxa"
+
+config SYS_CONFIG_NAME
+	default "rock-5c-rk3588s"
+
+endif

board/radxa/rock-5c-rk3588s/MAINTAINERS

@@ -0,0 +1,7 @@
+ROCK-5C-RK3588S
+M:	FUKAUMI Naoki <naoki@radxa.com>
+S:	Maintained
+F:	arch/arm/dts/rk3588s-rock-5c-u-boot.dtsi
+F:	board/radxa/rock-5c-rk3588s/
+F:	configs/rock-5c-rk3588s_defconfig
+F:	include/configs/rock-5c-rk3588s.h

configs/rock-5c-rk3588s_defconfig

@@ -0,0 +1,84 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_SYS_HAS_NONCACHED_MEMORY=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3588s-rock-5c"
+CONFIG_ROCKCHIP_RK3588=y
+CONFIG_SPL_SERIAL=y
+CONFIG_TARGET_ROCK_5C_RK3588S=y
+CONFIG_SYS_LOAD_ADDR=0xc00800
+CONFIG_DEBUG_UART_BASE=0xFEB50000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_PCI=y
+CONFIG_DEBUG_UART=y
+CONFIG_AHCI=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/rk3588s-rock-5c.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL_MAX_SIZE=0x40000
+CONFIG_SPL_PAD_TO=0x7f8000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_ATF=y
+CONFIG_CMD_ADC=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+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_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_SYSCON=y
+CONFIG_SCSI_AHCI=y
+CONFIG_AHCI_PCI=y
+CONFIG_SPL_CLK=y
+CONFIG_ROCKCHIP_GPIO=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_REALTEK=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_ROCKCHIP=y
+CONFIG_RTL8169=y
+CONFIG_NVME_PCI=y
+CONFIG_PCIE_DW_ROCKCHIP=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
+CONFIG_PHY_ROCKCHIP_USBDP=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_SPL_RAM=y
+CONFIG_SCSI=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_ROCKCHIP_SPI=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_PSCI=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_ERRNO_STR=y

doc/board/rockchip/rockchip.rst

@@ -143,6 +143,7 @@ List of mainline supported Rockchip boards:
      - Radxa ROCK 5 ITX (rock-5-itx-rk3588)
      - Radxa ROCK 5A (rock5a-rk3588s)
      - Radxa ROCK 5B (rock5b-rk3588)
+     - Radxa ROCK 5C (rock-5c-rk3588s)
      - Rockchip Toybrick TB-RK3588X (toybrick-rk3588)
      - Theobroma Systems RK3588-SBC Jaguar (jaguar-rk3588)
      - Theobroma Systems SOM-RK3588-Q7 - Tiger (tiger-rk3588)

include/configs/rock-5c-rk3588s.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2024-2025 Radxa Computer (Shenzhen) Co., Ltd.
+ */
+
+#ifndef __ROCK_5C_RK3588S_H
+#define __ROCK_5C_RK3588S_H
+
+#define ROCKCHIP_DEVICE_SETTINGS \
+		"stdout=serial,vidconsole\0" \
+		"stderr=serial,vidconsole\0"
+
+#include <configs/rk3588_common.h>
+
+#endif /* __ROCK_5C_RK3588S_H */