From 2a23ec9b6cf5e43969834df04a9a28170ade743f Mon Sep 17 00:00:00 2001 From: Primoz Fiser Date: Thu, 26 Jun 2025 09:16:29 +0200 Subject: [PATCH] arm64: dts: freescale: imx93-phycore-som: Add watchdog ext-reset-output pin On phyCORE-i.MX93 SoM, the SoC WDOG_ANY output line is connected to the external pca9451a PMIC WDOG_B input. Apply pinctrl and set the property "fsl,ext-reset-output" for watchdog to trigger board reset via PMIC on timeout/reset. Signed-off-by: Primoz Fiser Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi index 26bd801a49bb..c6f5aa38ebf9 100644 --- a/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi @@ -195,6 +195,9 @@ /* Watchdog */ &wdog3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_wdog>; + fsl,ext-reset-output; status = "okay"; }; @@ -283,4 +286,10 @@ MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x179e >; }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY 0x31e + >; + }; }; -- 2.47.2