On 2025/7/31 07:52, Jonas Karlman wrote:
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 <jo...@kwiboo.se>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>

Thanks,
- Kever
---
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

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