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path: root/target/linux/mediatek/patches-4.14/0189-dt-bindings-usb-mtu3-update-USB-wakeup-properties.patch
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From 067ad5fd18e2e7e38b77ca94eebaaf8d9a35d842 Mon Sep 17 00:00:00 2001
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Wed, 3 Jan 2018 16:53:19 +0800
Subject: [PATCH 189/224] dt-bindings: usb: mtu3: update USB wakeup properties

Add two arguments in "mediatek,syscon-wakeup" to support multi
wakeup glue layer between SSUSB and SPM, and use standard property
"wakeup-source" to replace the private "mediatek,enable-wakeup"

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 Documentation/devicetree/bindings/usb/mediatek,mtu3.txt | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
index b2271d8e6b50..d589a1ef96a1 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.txt
@@ -42,9 +42,14 @@ Optional properties:
  - enable-manual-drd : supports manual dual-role switch via debugfs; usually
 	used when receptacle is TYPE-A and also wants to support dual-role
 	mode.
- - mediatek,enable-wakeup : supports ip sleep wakeup used by host mode
- - mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup
-	control register, it depends on "mediatek,enable-wakeup".
+ - wakeup-source: enable USB remote wakeup of host mode.
+ - mediatek,syscon-wakeup : phandle to syscon used to access the register
+	of the USB wakeup glue layer between SSUSB and SPM; it depends on
+	"wakeup-source", and has two arguments:
+	- the first one : register base address of the glue layer in syscon;
+	- the second one : hardware version of the glue layer
+		- 1 : used by mt8173 etc
+		- 2 : used by mt2712 etc
  - mediatek,u3p-dis-msk : mask to disable u3ports, bit0 for u3port0,
 	bit1 for u3port1, ... etc;
 
@@ -71,8 +76,8 @@ ssusb: usb@11271000 {
 	vbus-supply = <&usb_p0_vbus>;
 	extcon = <&extcon_usb>;
 	dr_mode = "otg";
-	mediatek,enable-wakeup;
-	mediatek,syscon-wakeup = <&pericfg>;
+	wakeup-source;
+	mediatek,syscon-wakeup = <&pericfg 0x400 1>;
 	#address-cells = <2>;
 	#size-cells = <2>;
 	ranges;
-- 
2.11.0