linux-kernel - [PATCH v4 2/3] dt-bindings: nvmem: mediatek: document deprecated efuse property

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Date:   Tue, 10 May 2022 21:26:36 +0800
From:   Allen-KH Cheng <allen-kh.cheng@...iatek.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski@...onical.com>
CC:     Lala Lin <lala.lin@...iatek.com>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        "Chen-Yu Tsai" <wenst@...omium.org>,
        Allen-kh Cheng <allen-kh.cheng@...iatek.corp-partner.google.com>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Subject: [PATCH v4 2/3] dt-bindings: nvmem: mediatek: document deprecated efuse property

From: Allen-kh Cheng <allen-kh.cheng@...iatek.corp-partner.google.com>

We mark mediatek,mt8173-efuse and mediatek,efuse as deprecated to
prevent them from being the single compatible in the future.

The mediatek,efuse compatible should be used as generic fallback for
all MediaTek chipsets.

Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
---
 .../devicetree/bindings/nvmem/mediatek,efuse.yaml | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
index 529f5888d93f..04ecf5980b2e 100644
--- a/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
+++ b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
@@ -16,16 +16,18 @@ allOf:
 properties:
   compatible:
     oneOf:
-      - enum:
-          - mediatek,mt8173-efuse
-          - mediatek,efuse
+      - const: mediatek,mt8173-efuse # Don't use this in new dts files
+        deprecated: true
+      - const: mediatek,efuse
+        deprecated: true
         description:
-          Only mt8173 SoC-specific compatible with generic fallback should be
-          used
+          Please use mediatek,efuse as generic fallback to enable the MediaTek
+          eFuse support.
       - items:
           - enum:
               - mediatek,mt7622-efuse
               - mediatek,mt7623-efuse
+              - mediatek,mt8173-efuse
               - mediatek,mt8183-efuse
               - mediatek,mt8192-efuse
               - mediatek,mt8195-efuse
@@ -44,7 +46,8 @@ unevaluatedProperties: false
 examples:
   - |
     efuse: efuse@...06000 {
-            compatible = "mediatek,mt8173-efuse";
+            compatible = "mediatek,mt8173-efuse",
+                         "mediatek,efuse";
             reg = <0x10206000 0x1000>;
             #address-cells = <1>;
             #size-cells = <1>;
-- 
2.18.0