[PATCH 8/8] rockchip: rk3528-radxa-e20c: Enable USB gadget Kconfig options

Jonas Karlman jonas at kwiboo.se
Thu Jul 31 01:52:49 CEST 2025


Radxa E20C has a USB OTG Type-C port for Debug and Data.

Add required Kconfig options to use USB gadget features once pending
USB nodes finally lands in dts/upstream by a future sync.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
USB nodes for RK3528 has not yet landed in linux-rockchip maintainer
tree, however USB features have been verified working in U-Boot using
current pending DT patches.
---
 configs/radxa-e20c-rk3528_defconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/configs/radxa-e20c-rk3528_defconfig b/configs/radxa-e20c-rk3528_defconfig
index f5e097f3edf8..0941d1b9be81 100644
--- a/configs/radxa-e20c-rk3528_defconfig
+++ b/configs/radxa-e20c-rk3528_defconfig
@@ -20,6 +20,8 @@ CONFIG_CMD_GPT=y
 CONFIG_CMD_MISC=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_RNG=y
 CONFIG_CMD_REGULATOR=y
@@ -28,6 +30,7 @@ CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigne
 CONFIG_BUTTON=y
 CONFIG_BUTTON_ADC=y
 CONFIG_BUTTON_GPIO=y
+# CONFIG_USB_FUNCTION_FASTBOOT is not set
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_LED=y
 CONFIG_LED_GPIO=y
@@ -43,6 +46,7 @@ CONFIG_DM_MDIO=y
 CONFIG_DWC_ETH_QOS=y
 CONFIG_DWC_ETH_QOS_ROCKCHIP=y
 CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_PWM_ROCKCHIP=y
@@ -50,6 +54,12 @@ CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550_MEM32=y
 CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=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
-- 
2.50.1



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