board: rockchip: add Anbernic RG-DS

Add support for the Anbernic RG-DS dual-screen handheld gaming device.

Link: https://anbernic.com/products/rgds
Signed-off-by: Chris Morgan <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Kever Yang <[email protected]>
Link: https://patch.msgid.link/[email protected]
[conflict resolution in doc/board/rockchip/rockchip.rst due to commit
 b5deaa71fbe5 ("board: rockchip: Add support for 9Tripod X3568 v4")]
Signed-off-by: Quentin Schulz <[email protected]>

7 files changed, 153 insertions, 0 deletions

diff --git a/arch/arm/dts/rk3568-anbernic-rg-ds-u-boot.dtsi b/arch/arm/dts/rk3568-anbernic-rg-ds-u-boot.dtsi
new file mode 100644
index 00000000000..7944610827f
--- /dev/null
+++ b/arch/arm/dts/rk3568-anbernic-rg-ds-u-boot.dtsi
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "rk3568-u-boot.dtsi"
+
+&gpio0 {
+	bootph-pre-ram;
+};
+
+&i2c0 {
+	bootph-pre-ram;
+};
+
+&i2c0_xfer {
+	bootph-pre-ram;
+};
+
+&i2s1m0_mclk {
+	bootph-pre-ram;
+};
+
+&pmic_int_l {
+	bootph-pre-ram;
+};
+
+&rk817 {
+	regulators {
+		bootph-pre-ram;
+	};
+};
+
+&sdmmc_pwren_l {
+	bootph-pre-ram;
+};
+
+&vcc3v3_sd {
+	bootph-pre-ram;
+};
+
+&vccio_sd {
+	bootph-pre-ram;
+};
diff --git a/arch/arm/mach-rockchip/rk3568/Kconfig b/arch/arm/mach-rockchip/rk3568/Kconfig
index 2730220a18e..ec22898137e 100644
--- a/arch/arm/mach-rockchip/rk3568/Kconfig
+++ b/arch/arm/mach-rockchip/rk3568/Kconfig
@@ -8,6 +8,12 @@ config TARGET_EVB_RK3568
 	help
 	  RK3568 EVB is a evaluation board for Rockchp RK3568.
 
+config TARGET_ANBERNIC_RG_DS_RK3568
+	bool "Anbernic RG DS"
+	help
+	  Anbernic RG DS gaming device with Rockchip RK3568 and dual
+	  displays.
+
 config TARGET_ANBERNIC_RGXX3_RK3566
 	bool "Anbernic RGXX3"
 	help
@@ -71,6 +77,7 @@ config SYS_SOC
 	default "rk3568"
 
 source "board/rockchip/evb_rk3568/Kconfig"
+source "board/anbernic/rg-ds_rk3568/Kconfig"
 source "board/anbernic/rgxx3_rk3566/Kconfig"
 source "board/hardkernel/odroid_m1/Kconfig"
 source "board/hardkernel/odroid_m1s/Kconfig"
diff --git a/board/anbernic/rg-ds_rk3568/Kconfig b/board/anbernic/rg-ds_rk3568/Kconfig
new file mode 100644
index 00000000000..8676940651a
--- /dev/null
+++ b/board/anbernic/rg-ds_rk3568/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_RG_DS_RK3568
+
+config SYS_BOARD
+	default "rg-ds_rk3568"
+
+config SYS_VENDOR
+	default "anbernic"
+
+config SYS_CONFIG_NAME
+	default "anbernic-rg-ds-rk3568"
+
+endif
diff --git a/board/anbernic/rg-ds_rk3568/MAINTAINERS b/board/anbernic/rg-ds_rk3568/MAINTAINERS
new file mode 100644
index 00000000000..7b9b546f7bc
--- /dev/null
+++ b/board/anbernic/rg-ds_rk3568/MAINTAINERS
@@ -0,0 +1,7 @@
+ANBERNIC-RG-DS-RK3568
+M:	Chris Morgan <[email protected]>
+S:	Maintained
+F:	arch/arm/dts/rk3568-anbernic-rg-ds-u-boot.dtsi
+F:	board/anbernic/rg-ds_rk3568
+F:	configs/anbernic-rg-ds-rk3568_defconfig
+F:	include/configs/anbernic-rg-ds-rk3568.h
diff --git a/configs/anbernic-rg-ds-rk3568_defconfig b/configs/anbernic-rg-ds-rk3568_defconfig
new file mode 100644
index 00000000000..399a216a7c9
--- /dev/null
+++ b/configs/anbernic-rg-ds-rk3568_defconfig
@@ -0,0 +1,73 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SPL_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3568-anbernic-rg-ds"
+CONFIG_ROCKCHIP_RK3568=y
+CONFIG_ROCKCHIP_RK8XX_DISABLE_BOOT_ON_POWERON=y
+CONFIG_SPL_SERIAL=y
+CONFIG_TARGET_ANBERNIC_RG_DS_RK3568=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_OF_STDOUT_VIA_ALIAS=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3568-anbernic-rg-ds.dtb"
+# CONFIG_CONSOLE_MUX is not set
+CONFIG_BOARD_TYPES=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_BOARD_RNG_SEED=y
+CONFIG_SPL_MAX_SIZE=0x40000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_POWER=y
+CONFIG_SPL_ATF=y
+CONFIG_CMD_PWM=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_CLS is not set
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_OF_LIST="rockchip/rk3568-anbernic-rg-ds"
+CONFIG_OF_SPL_REMOVE_PROPS="interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+# CONFIG_NET is not set
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_SYSCON=y
+CONFIG_SPL_ADC=y
+CONFIG_SPL_CLK=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=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_SPL_PINCTRL=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_FAN53555=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_REGULATOR_RK8XX=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_SPL_RAM=y
+# CONFIG_RAM_ROCKCHIP_DEBUG is not set
+CONFIG_BAUDRATE=1500000
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_SYSRESET=y
+CONFIG_REGEX=y
+# CONFIG_RSA is not set
+CONFIG_ERRNO_STR=y
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index f77f1e78f38..0c0cde7ec38 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -127,6 +127,7 @@ List of mainline supported Rockchip boards:
 
 * rk3568
      - 9Tripod X3568 v4 (9tripod-x3568-v4-rk3568)
+     - Anbernic RG-DS (anbernic-rg-ds-rk3568)
      - Rockchip Evb-RK3568 (evb-rk3568)
      - Banana Pi BPI-R2 Pro (bpi-r2-pro-rk3568)
      - EmbedFire LubanCat 2 (lubancat-2-rk3568)
diff --git a/include/configs/anbernic-rg-ds-rk3568.h b/include/configs/anbernic-rg-ds-rk3568.h
new file mode 100644
index 00000000000..3c5bed952ef
--- /dev/null
+++ b/include/configs/anbernic-rg-ds-rk3568.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __ANBERNIC_RG_DS_RK3568_H
+#define __ANBERNIC_RG_DS_RK3568_H
+
+#define ROCKCHIP_DEVICE_SETTINGS \
+			"stdout=serial,vidconsole\0" \
+			"stderr=serial,vidconsole\0"
+
+#include <configs/rk3568_common.h>
+
+#endif