Allwinner H6 SoC features USB3 functionality, with a DWC3 controller and
a custom PHY.
Add device tree nodes for them.
Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
---
No changes in v4.
Changes in v3:
- Changed the dwc3 clock according to the user manual.
- Added Chen-Yu's Review tag.
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 32 ++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 3d60af6cb3ae..0a8b4845c0df 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -313,6 +313,38 @@
status = "disabled";
};
+ dwc3: dwc3@5200000 {
+ compatible = "snps,dwc3";
+ reg = <0x05200000 0x10000>;
+ interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_XHCI>,
+ <&ccu CLK_BUS_XHCI>,
+ <&osc32k>;
+ clock-names = "ref", "bus_early", "suspend";
+ resets = <&ccu RST_BUS_XHCI>;
+ /*
+ * The datasheet of the chip doesn't declare the
+ * peripheral function, and there's no boards known
+ * to have a USB Type-B port routed to the port.
+ * In addition, no one has tested the peripheral
+ * function yet.
+ * So set the dr_mode to "host" in the DTSI file.
+ */
+ dr_mode = "host";
+ phys = <&usb3phy>;
+ phy-names = "usb3-phy";
+ status = "disabled";
+ };
+
+ usb3phy: phy@5210000 {
+ compatible = "allwinner,sun50i-h6-usb3-phy";
+ reg = <0x5210000 0x10000>;
+ clocks = <&ccu CLK_USB_PHY1>;
+ resets = <&ccu RST_USB_PHY1>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
ehci3: usb@5311000 {
compatible = "allwinner,sun50i-h6-ehci", "generic-ehci";
reg = <0x05311000 0x100>;
--
2.18.0
