linux-kernel - [PATCH v2 04/13] dt-bindings: display: st,stm32mp25-lvds: add access-controllers property

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Message-ID: <20250812-drm-misc-next-v2-4-132fd84463d7@foss.st.com>
Date: Tue, 12 Aug 2025 15:49:01 +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 v2 04/13] 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.

Acked-by: Rob Herring (Arm) <robh@...nel.org>
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 b777c55626e4b322d77ef411ad9e4a3afb6c9131..96fa0cb5cb86c41d978c4093448afa3bb2a946fa 100644
--- a/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml
+++ b/Documentation/devicetree/bindings/display/st,stm32mp25-lvds.yaml
@@ -60,6 +60,9 @@ properties:
   resets:
     maxItems: 1
 
+  access-controllers:
+    maxItems: 1
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 

-- 
2.25.1