linux-kernel - [PATCH v1 RESEND 1/2] dt-bindings: gpu: mali-bifrost: Document nvmem for speedbin support

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Message-Id: <20230323090822.61766-2-angelogioacchino.delregno@collabora.com>
Date:   Thu, 23 Mar 2023 10:08:21 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     airlied@...il.com
Cc:     daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, wenst@...omium.org,
        steven.price@....com, alyssa.rosenzweig@...labora.com,
        robh@...nel.org, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v1 RESEND 1/2] dt-bindings: gpu: mali-bifrost: Document nvmem for speedbin support

Some SoCs implementing ARM Mali GPUs may be subject to speed binning
and the usable bin is read from nvmem: document the addition of nvmem
and nvmem-cells for 'speed-bin'.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../devicetree/bindings/gpu/arm,mali-bifrost.yaml          | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
index 8a0083800810..1eecb014016c 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
@@ -104,6 +104,13 @@ properties:
 
   dma-coherent: true
 
+  nvmem-cell-names:
+    items:
+      - const: speed-bin
+
+  nvmem-cells:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.40.0