Re: [PATCH 8/9] arm64: dts: imx8mm-beacon: Enable RTC interrupt and wakeup-source
From: Frank Li
Date: Thu Apr 10 2025 - 12:14:54 EST
On Wed, Apr 09, 2025 at 07:59:02PM -0500, Adam Ford wrote:
> The external RTC has the ability to be used as an alarm when
> interrupts are enabled and configured as a wakeup-source.
configure it as a wakeup-source.
wrap at 75 char to max ulitize screen width.
>
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> ---
> 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>;
reg should be after compatible
so pinctrl-names should be after reg;
Frank
> + 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
>