linux-kernel - [PATCH 1/2] dt-bindings: remoteproc: mediatek: Fix optional reg-names for mtk,scp

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Date:   Fri, 29 Apr 2022 17:11:09 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, kernel@...labora.com,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Tinghan Shen <tinghan.shen@...iatek.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-remoteproc@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: remoteproc: mediatek: Fix optional reg-names for mtk,scp

The SCP has three memory regions: sram, l1tcm and cfg. Only sram is
required, the other two are optional. Fix the dt-binding so that the
optional regions can be omitted and passed in any order.

Also add the missing minItems to the reg property and update the
description.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

---

 .../devicetree/bindings/remoteproc/mtk,scp.yaml      | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
index 823a236242de..ec9ddeb6ca2c 100644
--- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
@@ -24,14 +24,20 @@ properties:
   reg:
     description:
       Should contain the address ranges for memory regions SRAM, CFG, and
-      L1TCM.
+      L1TCM. Only SRAM is required, while CFG and L1TCM are optional.
+    minItems: 1
     maxItems: 3
 
   reg-names:
+    minItems: 1
     items:
       - const: sram
-      - const: cfg
-      - const: l1tcm
+      - enum:
+          - l1tcm
+          - cfg
+      - enum:
+          - l1tcm
+          - cfg
 
   clocks:
     description:
-- 
2.36.0