linux-kernel - [RFC PATCH 3/5] dt-bindings: gpu: Add protected heap name to Mali Valhall CSF binding

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Message-ID: <36b57dcf20860398ba83985e1c5b6f6958d08ba7.1738228114.git.florent.tomasin@arm.com>
Date: Thu, 30 Jan 2025 13:08:59 +0000
From: Florent Tomasin <florent.tomasin@....com>
To: Vinod Koul <vkoul@...nel.org>, Rob Herring <robh@...nel.org>, "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, "Boris
 Brezillon" <boris.brezillon@...labora.com>, Steven Price
	<steven.price@....com>, Liviu Dudau <liviu.dudau@....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>, Sumit Semwal <sumit.semwal@...aro.org>,
	Benjamin Gaignard <benjamin.gaignard@...labora.com>, Brian Starkey
	<Brian.Starkey@....com>, John Stultz <jstultz@...gle.com>, "T . J . Mercier"
	<tjmercier@...gle.com>, Christian König
	<christian.koenig@....com>, Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Yong Wu
	<yong.wu@...iatek.com>
CC: <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-media@...r.kernel.org>, <linaro-mm-sig@...ts.linaro.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>,
	<nd@....com>, Akash Goel <akash.goel@....com>, Florent Tomasin
	<florent.tomasin@....com>
Subject: [RFC PATCH 3/5] dt-bindings: gpu: Add protected heap name to Mali Valhall CSF binding

Allow mali-valhall-csf driver to retrieve a protected
heap at probe time by passing the name of the heap
as attribute to the device tree GPU node.

Signed-off-by: Florent Tomasin <florent.tomasin@....com>
---
 .../devicetree/bindings/gpu/arm,mali-valhall-csf.yaml       | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml
index a5b4e0021758..dc633b037ede 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml
@@ -85,6 +85,12 @@ properties:
 
   dma-coherent: true
 
+  protected-heap-name:
+    $ref: /schemas/types.yaml#/definitions/string
+    description:
+      Specifies the name of the protected Heap from
+      which the GPU driver allocates protected memory.
+
 required:
   - compatible
   - reg
-- 
2.34.1