diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts
index b6f2567bd65a..e387a7b5de9b 100644
--- a/arch/arm/boot/dts/am335x-nano.dts
+++ b/arch/arm/boot/dts/am335x-nano.dts
@@ -102,8 +102,8 @@ AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT, MUX_MODE0)
 
 	uart1_pins: uart1_pins {
 		pinctrl-single,pins = <
-			AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_OUTPUT, MUX_MODE7)
-			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT, MUX_MODE7)
+			AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_OUTPUT, MUX_MODE7)		/* uart1_ctsn.gpio0[12] */
+			AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT, MUX_MODE7)		/* uart1_rtsn.gpio0[13] */
 			AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
 			AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_OUTPUT, MUX_MODE0)
 		>;
@@ -120,17 +120,17 @@ AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_OUTPUT, MUX_MODE1)		/* spi0_d0.uart2_txd
 
 	uart3_pins: uart3_pins {
 		pinctrl-single,pins = <
-			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_INPUT_PULLUP, MUX_MODE6)	/* lcd_data10.uart3_ctsn */
-			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE6)		/* lcd_data11.uart3_rtsn */
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_INPUT_PULLUP, MUX_MODE7)	/* lcd_data10.gpio2[16] */
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE7)		/* lcd_data11.gpio2[17] */
 			AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE1)		/* spi0_cs1.uart3_rxd */
-			AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_OUTPUT, MUX_MODE1)		/* ecap0_in_pwm0_out.uart3_txd */
+			AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_OUTPUT, MUX_MODE1)	/* ecap0_in_pwm0_out.uart3_txd */
 		>;
 	};
 
 	uart4_pins: uart4_pins {
 		pinctrl-single,pins = <
-			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT_PULLUP, MUX_MODE6)	/* lcd_data12.uart4_ctsn */
-			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE6)		/* lcd_data13.uart4_rtsn */
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT_PULLUP, MUX_MODE7)	/* lcd_data12.gpio0[8] */
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE7)		/* lcd_data13.gpio0[9] */
 			AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT, MUX_MODE1)		/* uart0_ctsn.uart4_rxd */
 			AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_OUTPUT, MUX_MODE1)		/* uart0_rtsn.uart4_txd */
 		>;
@@ -149,9 +149,9 @@ AM33XX_PADCONF(AM335X_PIN_MMC0_DAT3, PIN_INPUT_PULLUP, MUX_MODE0)
 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT2, PIN_INPUT_PULLUP, MUX_MODE0)
 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT1, PIN_INPUT_PULLUP, MUX_MODE0)
 			AM33XX_PADCONF(AM335X_PIN_MMC0_DAT0, PIN_INPUT_PULLUP, MUX_MODE0)
-			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)	/* mmc0_clk.mmc0_clk */
-			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)	/* mmc0_cmd.mmc0_cmd */
-			AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_INPUT_PULLUP, MUX_MODE7)	/* emu1.gpio3[8] */
+			AM33XX_PADCONF(AM335X_PIN_MMC0_CLK, PIN_INPUT_PULLUP, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_MMC0_CMD, PIN_INPUT_PULLUP, MUX_MODE0)
+			AM33XX_PADCONF(AM335X_PIN_EMU1, PIN_INPUT_PULLUP, MUX_MODE7)		/* emu1.gpio3[8] */
 			AM33XX_PADCONF(AM335X_PIN_MCASP0_ACLKR, PIN_INPUT_PULLUP, MUX_MODE7)	/* mcasp0_aclkr.gpio3[18] */
 		>;
 	};
@@ -188,12 +188,22 @@ &uart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart3_pins>;
 	status = "okay";
+	rts-gpio = <&gpio2 17 GPIO_ACTIVE_HIGH>;
+	rs485-rts-active-high;
+	rs485-rx-during-tx;
+	rs485-rts-delay = <1 1>;
+	linux,rs485-enabled-at-boot-time;
 };
 
 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart4_pins>;
 	status = "okay";
+	rts-gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+	rs485-rts-active-high;
+	rs485-rx-during-tx;
+	rs485-rts-delay = <1 1>;
+	linux,rs485-enabled-at-boot-time;
 };
 
 &uart5 {
@@ -220,6 +230,12 @@ tps: tps@24 {
 		reg = <0x24>;
 	};
 
+	lm75@48 {
+		compatible = "lm75";
+		reg = <0x48>;
+		status = "okay";
+	};
+
 	eeprom@53 {
 		compatible = "microchip,24c02", "atmel,24c02";
 		reg = <0x53>;
@@ -403,8 +419,26 @@ &mmc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins>;
 	bus-width = <4>;
-	cd-gpios = <&gpio3 8 0>;
-	wp-gpios = <&gpio3 18 0>;
+	cd-debounce-delay-ms = <5>;
+	cd-gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
+	wp-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
+};
+
+&usb {
+	status = "okay";
+};
+
+&usb_ctrl_mod {
+	status = "okay";
+};
+
+&usb0_phy {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "host";
 };
 
 #include "tps65217.dtsi"
diff --git a/arch/arm/configs/nanobone_defconfig b/arch/arm/configs/nanobone_defconfig
new file mode 100644
index 000000000000..236ce7210013
--- /dev/null
+++ b/arch/arm/configs/nanobone_defconfig
@@ -0,0 +1,222 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_USELIB=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_NAMESPACES=y
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
+# CONFIG_RD_ZSTD is not set
+CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
+CONFIG_ARCH_OMAP3=y
+CONFIG_SOC_AM33XX=y
+# CONFIG_SOC_OMAP3430 is not set
+CONFIG_ARM_THUMBEE=y
+CONFIG_PL310_ERRATA_588369=y
+CONFIG_PL310_ERRATA_727915=y
+CONFIG_ARM_ERRATA_720789=y
+CONFIG_ARM_ERRATA_814220=y
+CONFIG_HAVE_ARM_ARCH_TIMER=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_CPU_SW_DOMAIN_PAN is not set
+CONFIG_ARM_APPENDED_DTB=y
+CONFIG_ARM_ATAG_DTB_COMPAT=y
+CONFIG_CMDLINE="root=/dev/mmcblk0p2 rootwait console=ttyO2,115200"
+CONFIG_KEXEC=y
+CONFIG_CPU_FREQ=y
+CONFIG_FPE_NWFPE=y
+# CONFIG_STACKPROTECTOR is not set
+# CONFIG_BLK_DEBUG_FS is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_MQ_IOSCHED_KYBER is not set
+CONFIG_BINFMT_MISC=y
+CONFIG_SLAB=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_NET_KEY=y
+CONFIG_NET_KEY_MIGRATE=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_INET_DIAG is not set
+# CONFIG_IPV6 is not set
+CONFIG_NET_SWITCHDEV=y
+# CONFIG_WIRELESS is not set
+# CONFIG_ETHTOOL_NETLINK is not set
+CONFIG_UEVENT_HELPER=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+# CONFIG_FW_CACHE is not set
+CONFIG_CONNECTOR=y
+CONFIG_MTD=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_PLATRAM=y
+CONFIG_MTD_BLOCK2MTD=y
+CONFIG_MTD_UBI=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=16384
+CONFIG_EEPROM_AT24=y
+CONFIG_NETDEVICES=y
+# CONFIG_NET_VENDOR_ALACRITECH is not set
+# CONFIG_NET_VENDOR_AMAZON is not set
+# CONFIG_NET_VENDOR_AQUANTIA is not set
+# CONFIG_NET_VENDOR_ARC is not set
+# CONFIG_NET_VENDOR_ASIX is not set
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_CADENCE is not set
+# CONFIG_NET_VENDOR_CAVIUM is not set
+# CONFIG_NET_VENDOR_CIRRUS is not set
+# CONFIG_NET_VENDOR_CORTINA is not set
+# CONFIG_NET_VENDOR_DAVICOM is not set
+# CONFIG_NET_VENDOR_ENGLEDER is not set
+# CONFIG_NET_VENDOR_EZCHIP is not set
+# CONFIG_NET_VENDOR_FARADAY is not set
+# CONFIG_NET_VENDOR_FUNGIBLE is not set
+# CONFIG_NET_VENDOR_GOOGLE is not set
+# CONFIG_NET_VENDOR_HISILICON is not set
+# CONFIG_NET_VENDOR_HUAWEI is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_WANGXUN is not set
+# CONFIG_NET_VENDOR_LITEX is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MELLANOX is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MICROCHIP is not set
+# CONFIG_NET_VENDOR_MICROSEMI is not set
+# CONFIG_NET_VENDOR_MICROSOFT is not set
+# CONFIG_NET_VENDOR_NI is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_NETRONOME is not set
+# CONFIG_NET_VENDOR_PENSANDO is not set
+# CONFIG_NET_VENDOR_QUALCOMM is not set
+# CONFIG_NET_VENDOR_RENESAS is not set
+# CONFIG_NET_VENDOR_ROCKER is not set
+# CONFIG_NET_VENDOR_SAMSUNG is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SOLARFLARE is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+# CONFIG_NET_VENDOR_SOCIONEXT is not set
+# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
+CONFIG_TI_CPSW=y
+CONFIG_TI_CPSW_SWITCHDEV=y
+# CONFIG_NET_VENDOR_VERTEXCOM is not set
+# CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_NET_VENDOR_XILINX is not set
+CONFIG_SMSC_PHY=y
+# CONFIG_USB_NET_DRIVERS is not set
+# CONFIG_WLAN is not set
+# CONFIG_INPUT_LEDS is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+CONFIG_VT_HW_CONSOLE_BINDING=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_LDISC_AUTOLOAD is not set
+CONFIG_SERIAL_OMAP=y
+CONFIG_SERIAL_OMAP_CONSOLE=y
+# CONFIG_HW_RANDOM_OMAP3_ROM is not set
+CONFIG_I2C_CHARDEV=y
+# CONFIG_PTP_1588_CLOCK is not set
+CONFIG_PINCTRL_MCP23S08=y
+CONFIG_PINCTRL_SINGLE=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_SUPPLY=y
+CONFIG_SENSORS_LM75=y
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED is not set
+CONFIG_OMAP_WATCHDOG=y
+CONFIG_TWL4030_WATCHDOG=y
+CONFIG_MFD_TPS65217=y
+CONFIG_REGULATOR_TPS65217=y
+CONFIG_USB=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_MON=y
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_OMAP2PLUS=y
+CONFIG_USB_MUSB_DSPS=y
+CONFIG_USB_TI_CPPI41_DMA=y
+CONFIG_NOP_USB_XCEIV=y
+CONFIG_AM335X_PHY_USB=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_SDIO_UART=y
+CONFIG_MMC_DEBUG=y
+CONFIG_MMC_OMAP_HS=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_NVMEM is not set
+CONFIG_RTC_DRV_DS1307=y
+CONFIG_DMADEVICES=y
+# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
+# CONFIG_COMMON_CLK_TI_ADPLL is not set
+CONFIG_HWSPINLOCK=y
+CONFIG_HWSPINLOCK_OMAP=y
+# CONFIG_ARM_ARCH_TIMER_EVTSTREAM is not set
+# CONFIG_ARM_PMU is not set
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_EXFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_JFFS2_FS=y
+# CONFIG_JFFS2_FS_WRITEBUFFER is not set
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_LZO=y
+CONFIG_JFFS2_RUBIN=y
+CONFIG_JFFS2_CMODE_NONE=y
+CONFIG_UBIFS_FS=y
+CONFIG_UBIFS_FS_ADVANCED_COMPR=y
+# CONFIG_UBIFS_FS_ZLIB is not set
+# CONFIG_UBIFS_FS_ZSTD is not set
+# CONFIG_UBIFS_FS_XATTR is not set
+CONFIG_NFS_FS=y
+CONFIG_ROOT_NFS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_KEYS=y
+CONFIG_SECURITY=y
+# CONFIG_INTEGRITY is not set
+CONFIG_LSM="yama,loadpin,safesetid,integrity"
+# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
+CONFIG_CRYPTO_DEV_OMAP=y
+CONFIG_CRYPTO_DEV_OMAP_SHAM=y
+CONFIG_CRYPTO_DEV_OMAP_AES=y
+CONFIG_CRYPTO_DEV_OMAP_DES=y
+CONFIG_CRC_CCITT=y
+CONFIG_CRC_T10DIF=y
+CONFIG_CRC_ITU_T=y
+CONFIG_CRC7=y
+CONFIG_LIBCRC32C=y
+CONFIG_PRINTK_TIME=y
+# CONFIG_SYMBOLIC_ERRNAME is not set
+CONFIG_DEBUG_FS=y
+CONFIG_STACKTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_RUNTIME_TESTING_MENU is not set
