linux-hardening - [PATCH RFC 03/10] dt-bindings: sram: Add compatible for mediatek,mt8196-gpufreq-sram

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Message-Id: <20250905-mt8196-gpufreq-v1-3-7b6c2d6be221@collabora.com>
Date: Fri, 05 Sep 2025 12:22:59 +0200
From: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 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>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 MyungJoo Ham <myungjoo.ham@...sung.com>, 
 Kyungmin Park <kyungmin.park@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Jassi Brar <jassisinghbrar@...il.com>, 
 Kees Cook <kees@...nel.org>, "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Chia-I Wu <olvaffe@...il.com>, Chen-Yu Tsai <wenst@...omium.org>, 
 kernel@...labora.com, dri-devel@...ts.freedesktop.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 linux-pm@...r.kernel.org, linux-hardening@...r.kernel.org, 
 Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Subject: [PATCH RFC 03/10] dt-bindings: sram: Add compatible for
 mediatek,mt8196-gpufreq-sram

This compatible is used for an SRAM section that's shared between the
MT8196's application processor cores and the embedded GPUEB MCU that
controls the GPU frequency.

Through this SRAM section, things about the GPU frequency controller
like the OPP table can be read.

Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
---
 Documentation/devicetree/bindings/sram/sram.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml
index 7c1337e159f2371401ae99313375656fff014ed4..6ba0dd6a66def11f56a1d5276d7397b655bff11e 100644
--- a/Documentation/devicetree/bindings/sram/sram.yaml
+++ b/Documentation/devicetree/bindings/sram/sram.yaml
@@ -89,6 +89,7 @@ patternProperties:
             - arm,juno-scp-shmem
             - arm,scmi-shmem
             - arm,scp-shmem
+            - mediatek,mt8196-gpufreq-sram
             - renesas,smp-sram
             - rockchip,rk3066-smp-sram
             - samsung,exynos4210-sysram

-- 
2.51.0