linux-kernel - [PATCH 2/3] mips: dts: ralink: mt7621: add phandle to system controller node for watchdog

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Message-Id: <20230210065621.598120-3-sergio.paracuellos@gmail.com>
Date:   Fri, 10 Feb 2023 07:56:20 +0100
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     linux-watchdog@...r.kernel.org
Cc:     wim@...ux-watchdog.org, linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        arinc.unal@...nc9.com, tsbogend@...ha.franken.de,
        p.zabel@...gutronix.de, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-mips@...r.kernel.org
Subject: [PATCH 2/3] mips: dts: ralink: mt7621: add phandle to system controller node for watchdog

To allow to access system controller registers from watchdog driver code
add a phandle in the watchdog 'wdt' node. This avoid using arch dependent
operations in driver code.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
 arch/mips/boot/dts/ralink/mt7621.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index 5ca40fd21..ebee23a2b 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -71,8 +71,9 @@ sysc: syscon@0 {
 		};
 
 		wdt: wdt@100 {
-			compatible = "mediatek,mt7621-wdt";
+			compatible = "mediatek,mt7621-wdt", "syscon";
 			reg = <0x100 0x100>;
+			ralink,sysctl = <&sysc>;
 		};
 
 		gpio: gpio@600 {
-- 
2.25.1