You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 lines
2.1 KiB
107 lines
2.1 KiB
/* 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 &mc1_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";
|
|
};
|
|
|
|
&pinctrl {
|
|
mc1_sdmmc2_d47_pins_b: mc1-sdmmc2-d47-1 {
|
|
pins {
|
|
pinmux = <STM32_PINMUX('A', 8, AF9)>, /* SDMMC2_D4 */
|
|
<STM32_PINMUX('A', 9, AF10)>, /* SDMMC2_D5 */
|
|
<STM32_PINMUX('C', 6, AF10)>, /* SDMMC2_D6 */
|
|
<STM32_PINMUX('C', 7, AF10)>; /* SDMMC2_D7 */
|
|
slew-rate = <1>;
|
|
drive-push-pull;
|
|
bias-disable;
|
|
};
|
|
};
|
|
};
|
|
|