@@ -28,6 +28,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
stm32746g-eval.dtb \
stm32h743i-eval.dtb \
stm32h743i-disco.dtb \
+ stm32h747i-disco.dtb \
stm32h750i-art-pi.dtb \
stm32mp133c-prihmb.dtb \
stm32mp135f-dhcor-dhsbc.dtb \
new file mode 100644
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2025 Amarula Solutions, Dario Binacchi <dario.binacchi@amarulasolutions.com>
+ */
+
+/dts-v1/;
+#include "stm32h743.dtsi"
+#include "stm32h7-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "STMicroelectronics STM32H747i-Discovery board";
+ compatible = "st,stm32h747i-disco", "st,stm32h747";
+
+ chosen {
+ bootargs = "root=/dev/ram";
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@d0000000 {
+ device_type = "memory";
+ reg = <0xd0000000 0x2000000>;
+ };
+
+ aliases {
+ serial0 = &usart1;
+ serial1 = &uart8;
+ };
+
+ v3v3: regulator-v3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "v3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-green {
+ gpios = <&gpioi 12 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "heartbeat";
+ };
+ led-orange {
+ gpios = <&gpioi 13 GPIO_ACTIVE_LOW>;
+ };
+ led-red {
+ gpios = <&gpioi 14 GPIO_ACTIVE_LOW>;
+ };
+ led-blue {
+ gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ autorepeat;
+ button-0 {
+ label = "User";
+ linux,code = <KEY_WAKEUP>;
+ gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
+ };
+ button-1 {
+ label = "JoySel";
+ linux,code = <KEY_ENTER>;
+ gpios = <&gpiok 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ };
+ button-2 {
+ label = "JoyDown";
+ linux,code = <KEY_DOWN>;
+ gpios = <&gpiok 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ };
+ button-3 {
+ label = "JoyUp";
+ linux,code = <KEY_UP>;
+ gpios = <&gpiok 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ };
+ button-4 {
+ label = "JoyLeft";
+ linux,code = <KEY_LEFT>;
+ gpios = <&gpiok 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ };
+ button-5 {
+ label = "JoyRight";
+ linux,code = <KEY_RIGHT>;
+ gpios = <&gpiok 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
+ };
+ };
+};
+
+&clk_hse {
+ clock-frequency = <25000000>;
+};
+
+&mac {
+ status = "disabled";
+ pinctrl-0 = <ðernet_rmii>;
+ pinctrl-names = "default";
+ phy-mode = "rmii";
+ phy-handle = <&phy0>;
+
+ mdio0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dwmac-mdio";
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+};
+
+&sdmmc1 {
+ pinctrl-names = "default", "opendrain", "sleep";
+ pinctrl-0 = <&sdmmc1_b4_pins_a>;
+ pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+ pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+ cd-gpios = <&gpioi 8 GPIO_ACTIVE_LOW>;
+ broken-cd;
+ st,neg-edge;
+ bus-width = <4>;
+ vmmc-supply = <&v3v3>;
+ status = "okay";
+};
+
+&usart1 {
+ pinctrl-0 = <&usart1_pins_b>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&uart8 {
+ pinctrl-0 = <&uart8_pins_a>;
+ pinctrl-names = "default";
+ status = "okay";
+};
The board includes an STM32H747XI SoC with the following resources: - 2 Mbytes Flash - 1 Mbyte SRAM - LCD-TFT controller - MIPI-DSI interface - FD-CAN - USB 2.0 high-speed/full-speed - Ethernet MAC - camera interface Detailed information can be found at: https://www.st.com/en/evaluation-tools/stm32h747i-disco.html Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> --- arch/arm/boot/dts/st/Makefile | 1 + arch/arm/boot/dts/st/stm32h747i-disco.dts | 136 ++++++++++++++++++++++ 2 files changed, 137 insertions(+) create mode 100644 arch/arm/boot/dts/st/stm32h747i-disco.dts