From: Oleksij Rempel Date: Mon, 6 Jan 2025 16:06:43 +0000 (+0100) Subject: arm64: dts: imx8mp-skov: describe mains fail detection X-Git-Tag: v6.15-rc1~159^2~16^2~70 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc8efdf8fa4d100153cbeb2892af27442b288428;p=thirdparty%2Fkernel%2Flinux.git arm64: dts: imx8mp-skov: describe mains fail detection The main 24V regulator will toggle GPIO4_IO23 to signal imminent voltage loss. Reflect this in the DT, so the OS can take appropriate action when this happens. Signed-off-by: Oleksij Rempel Signed-off-by: Ahmad Fatoum Signed-off-by: Shawn Guo --- diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi index bce23d62cd277..80d212acc0c33 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi @@ -116,6 +116,11 @@ regulator-name = "24V"; regulator-min-microvolt = <24000000>; regulator-max-microvolt = <24000000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg24v>; + interrupts-extended = <&gpio4 23 IRQ_TYPE_EDGE_FALLING>; + system-critical-regulator; + regulator-uv-less-critical-window-ms = <50>; }; reg_can2rs: regulator-can2rs { @@ -591,6 +596,12 @@ >; }; + pinctrl_reg24v: reg24vgrp { + fsl,pins = < + MX8MP_IOMUXC_SAI2_RXD0__GPIO4_IO23 0x154 + >; + }; + pinctrl_reg_vsd_3v3: regvsd3v3grp { fsl,pins = < MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40