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[75.72.162.184]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c7a895180esm9590685a.46.2025.04.09.17.59.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Apr 2025 17:59:40 -0700 (PDT) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Cc: aford@beaconembedded.com, Adam Ford , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 8/9] arm64: dts: imx8mm-beacon: Enable RTC interrupt and wakeup-source Date: Wed, 9 Apr 2025 19:59:02 -0500 Message-ID: <20250410005912.118732-8-aford173@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250410005912.118732-1-aford173@gmail.com> References: <20250410005912.118732-1-aford173@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The external RTC has the ability to be used as an alarm when interrupts are enabled and configured as a wakeup-source. Signed-off-by: Adam Ford --- 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..8d4d1c86ad71 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi @@ -235,8 +235,13 @@ eeprom@50 { rtc: rtc@51 { compatible = "nxp,pcf85263"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rtc>; reg = <0x51>; + 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