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[v3,04/13] dt-bindings: usb: mtu3: add wakeup interrupt

Message ID 1626340078-29111-5-git-send-email-chunfeng.yun@mediatek.com
State New
Headers show
Series [v3,01/13] dt-bindings: usb: mtu3: remove support VBUS detection of extcon | expand

Commit Message

Chunfeng Yun (云春峰) July 15, 2021, 9:07 a.m. UTC 
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>
---
v3: add Acked-by Rob
v2: no changes
---
 .../devicetree/bindings/usb/mediatek,mtu3.yaml      | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml
index 104f1f7edaf0..77db1233516e 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