linux-kernel - [PATCH] ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset

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Date:   Mon, 11 Jan 2021 16:15:37 +0100
From:   Bruno Thomsen <bruno.thomsen@...il.com>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Bruno Thomsen <bruno.thomsen@...il.com>,
        Bruno Thomsen <bth@...strup.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH] ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset

RTC pcf2127 device driver has changed default behaviour of the watchdog
feature in v5.11-rc1. Now you need to explicitly enable it with a
device tree property, "reset-source", when used in the board design.

Fixes: 71ac13457d9d ("rtc: pcf2127: only use watchdog when explicitly available")

Signed-off-by: Bruno Thomsen <bruno.thomsen@...il.com>
Cc: Bruno Thomsen <bth@...strup.com>
Cc: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: Rasmus Villemoes <rasmus.villemoes@...vas.dk>
Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 arch/arm/boot/dts/imx7d-flex-concentrator.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/imx7d-flex-concentrator.dts b/arch/arm/boot/dts/imx7d-flex-concentrator.dts
index 84b095279e65..bd6b5285aa8d 100644
--- a/arch/arm/boot/dts/imx7d-flex-concentrator.dts
+++ b/arch/arm/boot/dts/imx7d-flex-concentrator.dts
@@ -115,6 +115,7 @@ pcf2127: rtc@0 {
 		compatible = "nxp,pcf2127";
 		reg = <0>;
 		spi-max-frequency = <2000000>;
+		reset-source;
 	};
 };
 

base-commit: 7c53f6b671f4aba70ff15e1b05148b10d58c2837
-- 
2.29.2