| /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */ |
| /* |
| * Copyright (C) 2020 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"; |
| }; |