Hello!
On 5/7/2018 6:18 PM, Icenowy Zheng wrote:
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>
---
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 38 ++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index c72da8cd9ef5..9564c938717c 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -174,6 +174,44 @@
status = "disabled";
};
+ usb3: usb@5200000 {
I don't think <unit-address> is allowed for a node having no "reg" prop...
+ compatible = "allwinner,sun50i-h6-dwc3";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clocks = <&ccu CLK_BUS_XHCI>;
+ clock-names = "bus";
+ resets = <&ccu RST_BUS_XHCI>;
+ reset-names = "bus";
+ status = "disabled";
+
+ dwc3: dwc3 {
Contrariwise, need <unit-address> here...
+ compatible = "snps,dwc3";
+ reg = <0x5200000 0x10000>;
+ interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+ /*
+ * According to Wink from Allwinner, the
+ * USB3 port on H6 is not capable of OTG;
+ * the datasheet doesn't mention OTG at all
+ * either, so the dr_mode is default to
+ * "host" here.
+ */
+ dr_mode = "host";
+ phys = <&usb3phy>;
+ phy-names = "usb3-phy";
+ status = "disabled";
+ };
+ };
[...]
MBR, Sergei
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