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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2025-01-06 17:06:43 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2025-02-25 08:32:57 +0800 |
| commit | fc8efdf8fa4d100153cbeb2892af27442b288428 (patch) | |
| tree | 667654dcfb69de5f69929aa55dde81cc5dca8a0c | |
| parent | 4252ede53d46e945b07ea370aca07e2b3e44726e (diff) | |
| download | linux-fc8efdf8fa4d100153cbeb2892af27442b288428.tar.gz linux-fc8efdf8fa4d100153cbeb2892af27442b288428.zip | |
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 <o.rempel@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi index bce23d62cd27..80d212acc0c3 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 |