The firmware can free all the resources it was using to run the display engine that won't be needed once the kernel has taken over.
Thus, we need a phandle to the firmware DT node to be able to send that message when relevant.
Signed-off-by: Maxime Ripard maxime@cerno.tech --- .../devicetree/bindings/display/brcm,bcm2835-vc4.yaml | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-vc4.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-vc4.yaml index 49a5e041aa49..18de6912b833 100644 --- a/Documentation/devicetree/bindings/display/brcm,bcm2835-vc4.yaml +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-vc4.yaml @@ -21,6 +21,11 @@ properties: - brcm,bcm2835-vc4 - brcm,cygnus-vc4
+ raspberrypi,firmware: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: > + Phandle to the firmware node + required: - compatible