linux-kernel - [PATCH 2/2] ARM: dts: aspeed: bletchley: enable wdtrst1

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Date:   Mon, 26 Dec 2022 13:45:35 +0800
From:   Potin Lai <potin.lai.pt@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...id.au>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        Patrick Williams <patrick@...cx.xyz>,
        Potin Lai <potin.lai.pt@...il.com>
Subject: [PATCH 2/2] ARM: dts: aspeed: bletchley: enable wdtrst1

Enable WDTRST1 external signal to send a reset pluse to peripherals while
BMC reset.

Signed-off-by: Potin Lai <potin.lai.pt@...il.com>
---
 arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
index 791f83aaac50..050ed7e810fa 100644
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-bletchley.dts
@@ -1064,3 +1064,14 @@ pinctrl_gpiov2_unbiased_default: gpiov2 {
 		bias-disable;
 	};
 };
+
+&wdt1 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdtrst1_default>;
+	aspeed,reset-type = "soc";
+	aspeed,external-signal;
+	aspeed,ext-push-pull;
+	aspeed,ext-active-high;
+	aspeed,ext-pulse-duration = <256>;
+};
-- 
2.31.1