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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Mathias Nyman <mathias.nyman@intel.com>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
	<linux-usb@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-pm@vger.kernel.org>, Tony Lindgren <tony@atomide.com>,
	Tianping Fang <tianping.fang@mediatek.com>,
	Eddie Hung <eddie.hung@mediatek.com>,
	Ikjoon Jang <ikjn@chromium.org>,
	Nicolas Boichat <drinkcat@chromium.org>
Subject: [PATCH v2 2/5] dt-bindings: usb: mtk-xhci: add wakeup interrupt
Date: Sat, 10 Apr 2021 13:10:03 +0800
Message-ID: <1618031406-15347-2-git-send-email-chunfeng.yun@mediatek.com> (raw)
In-Reply-To: <1618031406-15347-1-git-send-email-chunfeng.yun@mediatek.com>

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

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
v2: add Reviewed-by Rob
---
 .../devicetree/bindings/usb/mediatek,mtk-xhci.yaml  | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
index 45bf4ea00c9e..4fe8a301d03f 100644
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -46,7 +46,18 @@ properties:
       - const: ippc  # optional, only needed for case 1.
 
   interrupts:
-    maxItems: 1
+    description:
+      use "interrupts-extended" when the interrupts are connected to the
+      separate interrupt controllers
+    minItems: 1
+    items:
+      - description: xHCI host controller interrupt
+      - description: optional, wakeup interrupt used to support runtime PM
+
+  interrupt-names:
+    items:
+      - const: host
+      - const: wakeup
 
   power-domains:
     description: A phandle to USB power domain node to control USB's MTCMOS
-- 
2.18.0


  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-10  5:10 [PATCH v2 1/5] usb: xhci-mtk: check return value in suspend/resume hooks Chunfeng Yun
2021-04-10  5:10 ` Chunfeng Yun [this message]
2021-04-10  5:10 ` [PATCH v2 3/5] usb: xhci-mtk: add support runtime PM Chunfeng Yun
2021-04-10  5:10 ` [PATCH v2 4/5] usb: xhci-mtk: use clock bulk to get clocks Chunfeng Yun
2021-04-10  5:10 ` [PATCH v2 5/5] usb: xhci-mtk: remove unused members Chunfeng Yun

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