tn3399_openwrt/target/linux/bcm27xx/patches-5.15/950-0416-dt-bindings-display-vc4-Add-phandle-to-the-firmware.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

32 lines
1015 B
Diff

From 895b50c0855bf5c19525249c388a4b72bf7b0302 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Wed, 23 Jun 2021 11:48:35 +0200
Subject: [PATCH] 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(+)
--- 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