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- /*
- * Copyright 2021 - Dillon Min <[email protected]>
- *
- * This file is dual-licensed: you can use it either under the terms
- * of the GPL or the X11 license, at your option. Note that this dual
- * licensing only applies to this file, and not this project as a
- * whole.
- *
- * a) This file is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This file is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Or, alternatively,
- *
- * b) Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * For art-pi board resources, you can refer to link:
- * https://art-pi.gitee.io/website/
- */
- /dts-v1/;
- #include "stm32h750.dtsi"
- #include "stm32h7-pinctrl.dtsi"
- #include <dt-bindings/interrupt-controller/irq.h>
- #include <dt-bindings/gpio/gpio.h>
- / {
- model = "RT-Thread STM32H750i-ART-PI board";
- compatible = "st,stm32h750i-art-pi", "st,stm32h750";
- chosen {
- bootargs = "root=/dev/ram";
- stdout-path = "serial0:2000000n8";
- };
- memory@c0000000 {
- device_type = "memory";
- reg = <0xc0000000 0x2000000>;
- };
- reserved-memory {
- #address-cells = <1>;
- #size-cells = <1>;
- ranges;
- linux,cma {
- compatible = "shared-dma-pool";
- no-map;
- size = <0x100000>;
- linux,dma-default;
- };
- };
- aliases {
- serial0 = &uart4;
- serial1 = &usart3;
- };
- leds {
- compatible = "gpio-leds";
- led-red {
- gpios = <&gpioi 8 0>;
- };
- led-green {
- gpios = <&gpioc 15 0>;
- linux,default-trigger = "heartbeat";
- };
- };
- v3v3: regulator-v3v3 {
- compatible = "regulator-fixed";
- regulator-name = "v3v3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
- };
- wlan_pwr: regulator-wlan {
- compatible = "regulator-fixed";
- regulator-name = "wl-reg";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
- enable-active-high;
- };
- };
- &clk_hse {
- clock-frequency = <25000000>;
- };
- &dma1 {
- status = "okay";
- };
- &dma2 {
- status = "okay";
- };
- &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>;
- broken-cd;
- st,neg-edge;
- bus-width = <4>;
- vmmc-supply = <&v3v3>;
- status = "okay";
- };
- &sdmmc2 {
- pinctrl-names = "default", "opendrain", "sleep";
- pinctrl-0 = <&sdmmc2_b4_pins_a>;
- pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
- pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
- broken-cd;
- non-removable;
- st,neg-edge;
- bus-width = <4>;
- vmmc-supply = <&wlan_pwr>;
- status = "okay";
- #address-cells = <1>;
- #size-cells = <0>;
- brcmf: bcrmf@1 {
- reg = <1>;
- compatible = "brcm,bcm4329-fmac";
- };
- };
- &spi1 {
- status = "okay";
- pinctrl-0 = <&spi1_pins>;
- pinctrl-names = "default";
- cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
- dmas = <&dmamux1 37 0x400 0x05>,
- <&dmamux1 38 0x400 0x05>;
- dma-names = "rx", "tx";
- flash@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "winbond,w25q128", "jedec,spi-nor";
- reg = <0>;
- spi-max-frequency = <80000000>;
- partition@0 {
- label = "root filesystem";
- reg = <0 0x1000000>;
- };
- };
- };
- &usart2 {
- pinctrl-0 = <&usart2_pins>;
- pinctrl-names = "default";
- status = "disabled";
- };
- &usart3 {
- pinctrl-names = "default";
- pinctrl-0 = <&usart3_pins>;
- dmas = <&dmamux1 45 0x400 0x05>,
- <&dmamux1 46 0x400 0x05>;
- dma-names = "rx", "tx";
- st,hw-flow-ctrl;
- status = "okay";
- bluetooth {
- compatible = "brcm,bcm43438-bt";
- host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
- device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
- shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
- max-speed = <115200>;
- };
- };
- &uart4 {
- pinctrl-0 = <&uart4_pins>;
- pinctrl-names = "default";
- status = "okay";
- };
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