linux-kernel - [PATCH 1/2] dt-bindings: phy: mediatek: tphy: add a property for force-mode switch

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Date:   Sat, 25 Nov 2023 09:23:02 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>
CC:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Macpaul Lin <macpaul.lin@...iatek.com>
Subject: [PATCH 1/2] dt-bindings: phy: mediatek: tphy: add a property for force-mode switch

Due to some old SoCs with shared t-phy only support force-mode switch, and
can't use compatible to distinguish between shared and non-shared t-phy,
add a property to supported it.
But now prefer to use "mediatek,syscon-type" on new SoC as far as possible.

Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
 Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index 2bb91542e984..eedba5b7025e 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -235,6 +235,12 @@ patternProperties:
           Specify the flag to enable BC1.2 if support it
         type: boolean
 
+      mediatek,force-mode:
+        description:
+          Use force mode to switch shared phy mode, perfer to use the bellow
+          property "mediatek,syscon-type" if the hardware support it.
+        type: boolean
+
       mediatek,syscon-type:
         $ref: /schemas/types.yaml#/definitions/phandle-array
         maxItems: 1
-- 
2.18.0