From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: Thu, 15 Jul 2021 09:07:49 +0000 (+0800)
Subject: dt-bindings: usb: mtu3: add wakeup interrupt
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=72c1b91f5de3cedfefa1921bc3987eced2868bd7;p=linux.git

dt-bindings: usb: mtu3: add wakeup interrupt

Add an dedicated interrupt which is usually EINT to support runtime PM,
meanwhile add "interrupt-names" property, for backward compatibility,
it's optional and used when wakeup interrupt exists

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1626340078-29111-5-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index 104f1f7edaf0f..77db1233516e2 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
@@ -38,7 +38,18 @@ properties:
       - const: ippc
 
   interrupts:
-    maxItems: 1
+    description:
+      use "interrupts-extended" when the interrupts are connected to the
+      separate interrupt controllers
+    minItems: 1
+    items:
+      - description: SSUSB device controller interrupt
+      - description: optional, wakeup interrupt used to support runtime PM
+
+  interrupt-names:
+    items:
+      - const: device
+      - const: wakeup
 
   power-domains:
     description: A phandle to USB power domain node to control USB's MTCMOS