linux-kernel - [PATCH V2 08/10] arm64: dts: imx8mm-beacon: Enable RTC interrupt and wakeup-source

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Message-ID: <20250416010141.1785841-8-aford173@gmail.com>
Date: Tue, 15 Apr 2025 20:01:34 -0500
From: Adam Ford <aford173@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: aford@...conembedded.com,
	Frank.li@....com,
	Adam Ford <aford173@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2 08/10] arm64: dts: imx8mm-beacon: Enable RTC interrupt and wakeup-source

Enable the interrupts and wakeup-source to allow the external RTC to be
used as an alarm.

Signed-off-by: Adam Ford <aford173@...il.com>
---
V2:  Update commit message. Re-order node

 arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
index ed7a1be4a1a6..c7a8f2a6fe90 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
@@ -236,7 +236,12 @@ eeprom@50 {
 	rtc: rtc@51 {
 		compatible = "nxp,pcf85263";
 		reg = <0x51>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_rtc>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
 		quartz-load-femtofarads = <12500>;
+		wakeup-source;
 	};
 };
 
@@ -354,6 +359,12 @@ MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x141
 		>;
 	};
 
+	pinctrl_rtc: rtcgrp {
+		fsl,pins = <
+			MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13	0x146
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX	0x140
-- 
2.48.1