From 473de5d3466f879b84a9d063fa34acdd9e895d76 Mon Sep 17 00:00:00 2001 From: Yegor Yefremov Date: Tue, 7 Oct 2025 10:50:37 +0200 Subject: [PATCH] ARM: dts: ti: omap: am335x-baltos: add a regulator for the mPCIe slot Baltos device provide a mPCIe slot that can be power cycled via a GPIO. Add a userspace consumer mpcie-power-switch that references a fixed regulator attached to the GPIO3_4. Signed-off-by: Yegor Yefremov Link: https://lore.kernel.org/r/20251007085037.3605676-1-yegorslists@googlemail.com Signed-off-by: Kevin Hilman --- arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi b/arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi index ea47f9960c356..afb38f023b837 100644 --- a/arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi +++ b/arch/arm/boot/dts/ti/omap/am335x-baltos.dtsi @@ -45,6 +45,23 @@ startup-delay-us = <70000>; enable-active-high; }; + + mpcie_regulator: mpcie-regulator { + compatible = "regulator-fixed"; + regulator-name = "mpcie-regulator"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio3 4 0>; + enable-active-high; + regulator-boot-on; + }; + + mpcie_power_switch: mpcie-power-switch { + compatible = "regulator-output"; + regulator-name = "mpcie-power-switch"; + regulator-supplies = "vcc"; + vout-supply = <&mpcie_regulator>; + }; }; &am33xx_pinmux { -- 2.47.3