mibox3: add support

arch/arm/dts/meson-gxbb-mibox3.dts

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Guoxin "7Ji" Pu 
+ */
+
+/dts-v1/;
+
+#include "meson-gxbb-p20x.dtsi"
+
+/ {
+	compatible = "xiaomi,mdz-16-aa", "xiaomi,mibox3/3c","amlogic,p201", "amlogic,meson-gxbb";
+	model = "Xiaomi MiBox 3/3C (CN ver. MDZ-16-AA)";
+};
+
+/* Wireless SDIO Module, not needed during early boot */
+&sd_emmc_a {
+	status = "disabled";
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "disabled";
+};
+
+/* Only USB0 is wired out, USB1 is not wired at all */
+&usb1_phy {
+	status = "disabled";
+};
+
+&usb1 {
+	status = "disabled";
+};

configs/mibox3_defconfig

@@ -0,0 +1,49 @@
+CONFIG_ARM=y
+CONFIG_SYS_BOARD="p201"
+CONFIG_ARCH_MESON=y
+CONFIG_TEXT_BASE=0x01000000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x2000
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-mibox3"
+CONFIG_DEBUG_UART_BASE=0xc81004c0
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_IDENT_STRING=" mibox3"
+CONFIG_SYS_LOAD_ADDR=0x1000000
+CONFIG_DEBUG_UART=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20000000
+CONFIG_REMAKE_ELF=y
+CONFIG_OF_BOARD_SETUP=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_MISC_INIT_R=y
+CONFIG_SYS_MAXARGS=32
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
+CONFIG_OF_CONTROL=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MESON=y
+CONFIG_MMC_MESON_GX=y
+CONFIG_PHY=y
+CONFIG_MESON_GXBB_USB_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_MESON_GXBB=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RESET=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_MESON_SERIAL=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_DWC2=y
+CONFIG_OF_LIBFDT_OVERLAY=y