| Message ID | 20250410005912.118732-8-aford173@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [1/9] arm64: dts: imx8mm-beacon: Fix RTC capacitive load | expand |
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@gmail.com> > --- > 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 >
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
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 <aford173@gmail.com> --- arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+)