Add a device node for the xhci controller on the Renesas
RZ/G1N (r8a7744) SoC.
Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7744.dtsi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7744.dtsi b/arch/arm/boot/dts/r8a7744.dtsi
index c9e9678..9c9508e 100644
--- a/arch/arm/boot/dts/r8a7744.dtsi
+++ b/arch/arm/boot/dts/r8a7744.dtsi
@@ -1267,6 +1267,26 @@
dma-channels = <13>;
};
+ /*
+ * pci1 and xhci share the same phy, therefore only one of them
+ * can be active at any one time. If both of them are enabled,
+ * a race condition will determine who'll control the phy.
+ * A firmware file is needed by the xhci driver in order for
+ * USB 3.0 to work properly.
+ */
+ xhci: usb@ee000000 {
+ compatible = "renesas,xhci-r8a7744",
+ "renesas,rcar-gen2-xhci";
+ reg = <0 0xee000000 0 0xc00>;
+ interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 328>;
+ power-domains = <&sysc R8A7744_PD_ALWAYS_ON>;
+ resets = <&cpg 328>;
+ phys = <&usb2 1>;
+ phy-names = "usb";
+ status = "disabled";
+ };
+
pci0: pci@ee090000 {
compatible = "renesas,pci-r8a7744",
"renesas,pci-rcar-gen2";
--
2.7.4
