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authorPeter Chen <peter.chen@nxp.com>2020-10-20 05:44:06 +0300
committerPeter Chen <peter.chen@nxp.com>2020-12-10 03:45:26 +0300
commit1bc514dfd12678e4efac5b8c5c32f91b244e0317 (patch)
tree6c1dcc410671ca5ff2b24e89c5cc4eb265cf79ab /Documentation
parent4006239098b23d8d89633dca4f13c2485afc1e08 (diff)
downloadlinux-1bc514dfd12678e4efac5b8c5c32f91b244e0317.tar.xz
doc: dt-binding: cdns,usb3: add wakeup-irq
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. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/usb/cdns,usb3.yaml5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
index d6af2794d444..a407e1143cf4 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]