ARC: [plat-hsdk]: Add reset controller handle to manage USB reset

DW USB controller on HSDK hangs sometimes after SW reset, so
add reset handle to make possible to reset DW USB controller HW.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 6c23fa063cedc3c47555aae5fde62d27e7593d47..b62088bf03a83ace9fc8b871c5865b7314ef9392 100644 (file)
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -200,6 +200,7 @@ ohci@60000 {
                        compatible = "snps,hsdk-v1.0-ohci", "generic-ohci";
                        reg = <0x60000 0x100>;
                        interrupts = <15>;
+                       resets = <&cgu_rst HSDK_USB_RESET>;
                        dma-coherent;
                };
 
@@ -207,6 +208,7 @@ ehci@40000 {
                        compatible = "snps,hsdk-v1.0-ehci", "generic-ehci";
                        reg = <0x40000 0x100>;
                        interrupts = <15>;
+                       resets = <&cgu_rst HSDK_USB_RESET>;
                        dma-coherent;
                };