/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */ /* * Copyright (c) 2020-2021, STMicroelectronics - All Rights Reserved * Copyright (C) 2020 Ahmad Fatoum, Pengutronix */ /dts-v1/; #include "stm32mp157.dtsi" #include "stm32mp15xc.dtsi" #include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi" #include "stm32mp15xx-osd32.dtsi" #include "stm32mp15xxac-pinctrl.dtsi" / { model = "Linux Automation MC-1 board"; compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp15xx-osd32", "st,stm32mp157"; aliases { mmc0 = &sdmmc1; mmc1 = &sdmmc2; serial0 = &uart4; }; chosen { stdout-path = &uart4; }; led-act { compatible = "gpio-leds"; led-green { label = "mc1:green:act"; gpios = <&gpioa 13 1>; linux,default-trigger = "heartbeat"; }; }; reg_3v3: regulator_3v3 { compatible = "regulator-fixed"; regulator-name = "3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; vin-supply = <&v3v3>; }; }; &sdmmc1 { pinctrl-names = "default"; pinctrl-0 = <&sdmmc1_b4_pins_a>; bus-width = <4>; cd-gpios = <&gpioh 3 1>; disable-wp; no-1-8-v; st,neg-edge; vmmc-supply = <®_3v3>; status = "okay"; }; &sdmmc1_b4_pins_a { /* * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to * work, thus enable internal pull-ups. */ pins1 { /delete-property/ bias-disable; bias-pull-up; }; pins2 { /delete-property/ bias-disable; bias-pull-up; }; }; &sdmmc2 { pinctrl-names = "default"; pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>; bus-width = <8>; no-1-8-v; no-sd; no-sdio; non-removable; st,neg-edge; vmmc-supply = <®_3v3>; status = "okay"; }; &uart4 { pinctrl-names = "default"; pinctrl-0 = <&uart4_pins_a>; status = "okay"; };