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Diffstat (limited to '')
| -rw-r--r-- | fdts/stm32mp157c-lxa-mc1.dts | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/fdts/stm32mp157c-lxa-mc1.dts b/fdts/stm32mp157c-lxa-mc1.dts new file mode 100644 index 0000000..6f67712 --- /dev/null +++ b/fdts/stm32mp157c-lxa-mc1.dts @@ -0,0 +1,93 @@ +/* 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"; +}; |