arm64: dts: allwinner: h6: add USB3 device nodes

Allwinner H6 SoC features USB3 functionality, with a DWC3 controller and
a custom PHY.

Add device tree nodes for them.

Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index 4abfed2..8f3f817 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -570,6 +570,38 @@
                        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>,
+                                <&rtc 0>;
+                       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>;