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openmptcprouter/root/target/linux/bcm27xx/patches-5.14/0424-dt-bindings-display-vc4-Add-phandle-to-the-firmware.patch
Ycarus (Yannick Chabanois) 5c593832cc Add 5.14 patches for RPI
2021-10-01 16:58:58 +02:00

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From 0397d5e4938b626fb081f4f2bf3d0ee408103ff9 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Wed, 23 Jun 2021 11:48:35 +0200
Subject: [PATCH 424/552] dt-bindings: display: vc4: Add phandle to the
firmware
The vc4 driver will need to tell the firmware that it takes over the
display for the firmware to free its resources (lower the clock, free
some memory, etc.)
Let's add an optional phandle to our firmware node.
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..eac739a812f5 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 mailbox node to communicate with the firmware.
+
required:
- compatible
--
2.33.0