linux-kernel - [PATCH v4 1/4] dt-bindings: mediatek: watchdog: Fix compatible fallbacks and example

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Message-ID: <20220721014845.19044-2-allen-kh.cheng@mediatek.com>
Date:   Thu, 21 Jul 2022 09:48:42 +0800
From:   Allen-KH Cheng <allen-kh.cheng@...iatek.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        "Matthias Brugger" <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>, <nfraprado@...labora.com>
CC:     <angelogioacchino.delregno@...labora.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>,
        Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Subject: [PATCH v4 1/4] dt-bindings: mediatek: watchdog: Fix compatible fallbacks and example

The watchdog timer of mt8186. mt8195 and mt7986 have their DT data.
We should not use 'mediatek,mt6589-wdt' as fallback.

For mediatek,wdt example of mt8183, We remove mediatek,mt6589-wdt fallback.

Fixes:a45b408a020b("dt-bindings: watchdog: Add compatible for MediaTek MT8186")
Fixes:b326f2c85f3d("dt-bindings: watchdog: Add compatible for Mediatek MT8195")
Fixes:41e73feb1024("dt-bindings: watchdog: Add compatible for Mediatek MT7986")
Fixes:f43f97a0fc0e("dt-bindings: mediatek: mt8183: Add #reset-cells")
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 Documentation/devicetree/bindings/watchdog/mtk-wdt.txt | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
index 762c62e428ef..67ef991ec4cf 100644
--- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
@@ -14,12 +14,12 @@ Required properties:
 	"mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622
 	"mediatek,mt7623-wdt", "mediatek,mt6589-wdt": for MT7623
 	"mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
-	"mediatek,mt7986-wdt", "mediatek,mt6589-wdt": for MT7986
+	"mediatek,mt7986-wdt": for MT7986
 	"mediatek,mt8183-wdt": for MT8183
-	"mediatek,mt8186-wdt", "mediatek,mt6589-wdt": for MT8186
+	"mediatek,mt8186-wdt": for MT8186
 	"mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
 	"mediatek,mt8192-wdt": for MT8192
-	"mediatek,mt8195-wdt", "mediatek,mt6589-wdt": for MT8195
+	"mediatek,mt8195-wdt": for MT8195
 
 - reg : Specifies base physical address and size of the registers.
 
@@ -32,8 +32,7 @@ Optional properties:
 Example:
 
 watchdog: watchdog@...07000 {
-	compatible = "mediatek,mt8183-wdt",
-		     "mediatek,mt6589-wdt";
+	compatible = "mediatek,mt8183-wdt";
 	mediatek,disable-extrst;
 	reg = <0 0x10007000 0 0x100>;
 	interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>;
-- 
2.18.0