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Message-ID: <1623139069-8173-5-git-send-email-chunfeng.yun@mediatek.com>
Date: Tue, 8 Jun 2021 15:57:30 +0800
From: Chunfeng Yun <chunfeng.yun@...iatek.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh+dt@...nel.org>,
Felipe Balbi <balbi@...nel.org>
CC: Chunfeng Yun <chunfeng.yun@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
<linux-usb@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Yuwen Ng <yuwen.ng@...iatek.com>,
Eddie Hung <eddie.hung@...iatek.com>
Subject: [PATCH 04/23] 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
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
.../devicetree/bindings/usb/mediatek,mtu3.yaml | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
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
--
2.18.0
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