From bed6481940b1b9a2f3b48afeeced550dd84e2932 Mon Sep 17 00:00:00 2001
From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Date: Wed, 13 May 2020 18:18:09 +0300
Subject: [PATCH] ARC: HSDK: add reset for EHCI
Add reset phandle to EHCI device tree node to make on-chip reset
controller usable with EHCI.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
arch/arc/dts/hsdk-common.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arc/dts/hsdk-common.dtsi b/arch/arc/dts/hsdk-common.dtsi
index 3b2ae8635d..9aa10e4b25 100644
--- a/arch/arc/dts/hsdk-common.dtsi
+++ b/arch/arc/dts/hsdk-common.dtsi
@@ -87,6 +87,13 @@
ehci@f0040000 {
compatible = "generic-ehci";
reg = <0xf0040000 0x100>;
+
+ /*
+ * OHCI and EHCI have reset line shared so we don't add
+ * reset property to OHCI node as it is probed later and
+ * it will reset sucessfuly probed and configured EHCI HW.
+ */
+ resets = <&cgu_rst HSDK_USB_RESET>;
};
ohci@f0060000 {
--
2.39.5