linux-kernel - [PATCH 2/4] media: dt-bindings: cedrus: Make allwinner,sram optional

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Date:   Sat, 31 Dec 2022 10:46:25 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Maxime Ripard <mripard@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-staging@...ts.linux.dev,
        linux-sunxi@...ts.linux.dev
Subject: [PATCH 2/4] media: dt-bindings: cedrus: Make allwinner,sram optional

Allwinner SoCs can remap some bits of peripheral SRAM to a contiguous
range of addresses for use by early boot software. Usually the video
engine's SRAM is used for this purpose, so its mapping must be switched
back before the hardware can be used.

However, the D1 and related SoCs use the DSP SRAM for this purpose. As a
result, the video engine SRAM is not switchable, and there is no need
for an allwinner,sram reference in the devicetree.

Signed-off-by: Samuel Holland <samuel@...lland.org>
---

 .../bindings/media/allwinner,sun4i-a10-video-engine.yaml         | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
index d5be7f604e8c..74363b242fff 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
@@ -73,7 +73,6 @@ required:
   - clocks
   - clock-names
   - resets
-  - allwinner,sram
 
 additionalProperties: false
 
-- 
2.37.4