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From: Peter Chen <peter.chen@nxp.com>
To: robh+dt@kernel.org
Cc: devicetree@vger.kernel.org, linux-imx@nxp.com,
	linux-usb@vger.kernel.org, pawell@cadence.com, rogerq@ti.com,
	jun.li@nxp.com, Peter Chen <peter.chen@nxp.com>
Subject: [PATCH v3 1/1] doc: dt-binding: cdns,usb3: add wakeup-irq
Date: Wed,  4 Nov 2020 16:05:24 +0800	[thread overview]
Message-ID: <20201104080524.1821-1-peter.chen@nxp.com> (raw)

To support low power mode for controller, the driver needs wakeup-irq
to reflect the signal changing after controller is stopped, and waking
the controller up accordingly.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
---
Changes for v3:
- Fix the dt_binding_check error

Changes for v2:
- Add "minItems: 3" to make wakeup irq optional

 Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
index ac20b98e9910..b32c877dc2a8 100644
--- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
+++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
@@ -26,16 +26,21 @@ properties:
       - const: dev
 
   interrupts:
+    minItems: 3
     items:
       - description: OTG/DRD controller interrupt
       - description: XHCI host controller interrupt
       - description: Device controller interrupt
+      - description: interrupt used to wake up core, e.g when usbcmd.rs is
+                     cleared by xhci core, this interrupt is optional
 
   interrupt-names:
+    minItems: 3
     items:
       - const: host
       - const: peripheral
       - const: otg
+      - const: wakeup
 
   dr_mode:
     enum: [host, otg, peripheral]
-- 
2.17.1


             reply	other threads:[~2020-11-04  8:06 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-04  8:05 Peter Chen [this message]
2020-11-05 22:37 ` [PATCH v3 1/1] doc: dt-binding: cdns,usb3: add wakeup-irq Rob Herring

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