linux-kernel - [PATCH V3 4/4] ARM: dts: imx6sx-sabreauto: add wdog external reset support

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Message-Id: <1524627033-535-4-git-send-email-Anson.Huang@nxp.com>
Date:   Wed, 25 Apr 2018 11:30:33 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     shawnguo@...nel.org, kernel@...gutronix.de, fabio.estevam@....com,
        robh+dt@...nel.org, mark.rutland@....com
Cc:     Linux-imx@....com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V3 4/4] ARM: dts: imx6sx-sabreauto: add wdog external reset support

i.MX6SX Sabre Auto board has GPIO1_IO13 pin can be
MUXed as WDOG output to reset PMIC, add this function
support.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
no changes since V2.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index 812f40b..abe9054 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -161,6 +161,12 @@
 				MX6SX_PAD_KEY_COL1__GPIO2_IO_11		0x17059
 			>;
 		};
+
+		pinctrl_wdog: wdoggrp {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO13__WDOG1_WDOG_ANY 0x30b0
+			>;
+		};
 	};
 };
 
@@ -300,3 +306,9 @@
 		#gpio-cells = <2>;
 	};
 };
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+};
-- 
2.7.4