linux-kernel - [PATCH 03/12] dt-bindings: display: st,stm32mp25-lvds: add access-controllers property

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Message-ID: <20250725-drm-misc-next-v1-3-a59848e62cf9@foss.st.com>
Date: Fri, 25 Jul 2025 12:03:55 +0200
From: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
To: Yannick Fertre <yannick.fertre@...s.st.com>,
        Philippe Cornu
	<philippe.cornu@...s.st.com>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime
 Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Christophe Roullier
	<christophe.roullier@...s.st.com>
CC: <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 03/12] dt-bindings: display: st,stm32mp25-lvds: add
 access-controllers property

access-controllers is an optional property that allows a peripheral to
refer to one or more domain access controller(s).

This property is added when the peripheral is under the STM32 firewall
controller.  It allows an accurate representation of the hardware, where
the peripheral is connected to a firewall bus.  The firewall can then
check the peripheral accesses before allowing its device to probe.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
---
 Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml b/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml
index 6736f93256b5cebb558cda5250369ec4b1b3033c..e046c0a4fdb7f13ca5a31b14ae0ab19f2bc486fa 100644
--- a/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml
+++ b/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml
@@ -54,6 +54,9 @@ properties:
   resets:
     maxItems: 1
 
+  access-controllers:
+    maxItems: 1
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 

-- 
2.25.1