[PATCH 7/7] rockchip: rk3528-generic: Add support for USB OTG

[Jonas Karlman]

Add support for USB OTG, RockUSB and UMS to the generic RK3528 target.

USB OTG tested on following boards:
- ArmSoM Sige1
- FriendlyElec NanoPi Zero2
- Radxa E20C
- Radxa ROCK 2F

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
 arch/arm/dts/rk3528-generic.dts  | 18 +++++++++++++++++-
 configs/generic-rk3528_defconfig | 10 ++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/rk3528-generic.dts b/arch/arm/dts/rk3528-generic.dts
index 637ca03325ed..34d614452ece 100644
--- a/arch/arm/dts/rk3528-generic.dts
+++ b/arch/arm/dts/rk3528-generic.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * Minimal generic DT for RK3528 with eMMC and SD-card enabled
+ * Minimal generic DT for RK3528 with eMMC, SD-card and USB OTG enabled
  */
 
 /dts-v1/;
@@ -45,3 +45,19 @@
 	pinctrl-0 = <&uart0m0_xfer>;
 	status = "okay";
 };
+
+&usb_host0_xhci {
+	dr_mode = "peripheral";
+	maximum-speed = "high-speed";
+	phys = <&usb2phy_otg>;
+	phy-names = "usb2-phy";
+	status = "okay";
+};
+
+&usb2phy {
+	status = "okay";
+};
+
+&usb2phy_otg {
+	status = "okay";
+};
diff --git a/configs/generic-rk3528_defconfig b/configs/generic-rk3528_defconfig
index c989263e014a..130aa124298a 100644
--- a/configs/generic-rk3528_defconfig
+++ b/configs/generic-rk3528_defconfig
@@ -19,6 +19,8 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_MISC=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_ROCKUSB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_RNG=y
 # CONFIG_SPL_DOS_PARTITION is not set
@@ -26,6 +28,7 @@ CONFIG_CMD_RNG=y
 CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_NO_NET=y
 # CONFIG_ADC is not set
+# CONFIG_USB_FUNCTION_FASTBOOT is not set
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_SUPPORT_EMMC_RPMB=y
 CONFIG_MMC_DW=y
@@ -33,7 +36,14 @@ CONFIG_MMC_DW_ROCKCHIP=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550_MEM32=y
+CONFIG_USB=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
-- 
2.54.0