Commit db04f0d4 authored by Chris Morgan's avatar Chris Morgan Committed by Heiko Stuebner
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dt-bindings: display: rockchip: Add no-hpd for dw-hdmi-qp controller 



Add an attribute of "no-hpd" for the Rockchip dw-hdmi-qp controller.
This is used to describe implementations where the HPD pin is not
connected or used for other purposes, such as in the RK3588S based
Gameforce Ace which repurposed the GPIO for an additional face
button.

The "no-hpd" option was chosen to be consistent with other devices
which already define this parameter for broken or missing hpd
functionality.

Acked-by: default avatarConor Dooley <conor.dooley@microchip.com>
Signed-off-by: default avatarChris Morgan <macromorgan@hotmail.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20251119225526.70588-2-macroalpha82@gmail.com
parent ab8559d4

Documentation/devicetree/bindings/display/rockchip/rockchip,rk3588-dw-hdmi-qp.yaml

+6 −0
Original line number Diff line number Diff line
@@ -69,6 +69,12 @@ properties: 
      - const: main

      - const: hpd



  no-hpd:

    type: boolean

    description:

      The HPD pin is not present or used for another purpose, and the EDID

      must be polled instead to determine if a device is attached.



  phys:

    maxItems: 1

    description: The HDMI/eDP PHY