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b0283b5e3d
The blue led is used to indicate U-Boot entering / exit indication then Linux heartbeat. Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
63 lines
988 B
Text
63 lines
988 B
Text
// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause
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/*
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* Copyright : STMicroelectronics 2022
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*/
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#include <dt-bindings/input/linux-event-codes.h>
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#include "stm32mp15-scmi-u-boot.dtsi"
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/ {
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aliases {
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i2c3 = &i2c4;
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};
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config {
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u-boot,boot-led = "led-blue";
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u-boot,error-led = "led-red";
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u-boot,mmc-env-partition = "u-boot-env";
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};
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gpio-keys {
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compatible = "gpio-keys";
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button-user-1 {
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label = "User-1";
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linux,code = <BTN_1>;
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gpios = <&gpioa 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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};
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button-user-2 {
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label = "User-2";
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linux,code = <BTN_2>;
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gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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};
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};
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led {
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compatible = "gpio-leds";
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led-blue {
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gpios = <&gpiod 9 GPIO_ACTIVE_HIGH>;
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};
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led-red {
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gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&uart4 {
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bootph-all;
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};
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&uart4_pins_a {
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bootph-all;
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pins1 {
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bootph-all;
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};
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pins2 {
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bootph-all;
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/* pull-up on rx to avoid floating level */
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bias-pull-up;
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};
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};
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