};
};
+ sdmmc2_b4_pins_a: sdmmc2-b4-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC1_D0 */
+ <STM32_PINMUX('B', 15, AF9)>, /* SDMMC1_D1 */
+ <STM32_PINMUX('B', 3, AF9)>, /* SDMMC1_D2 */
+ <STM32_PINMUX('B', 4, AF9)>, /* SDMMC1_D3 */
+ <STM32_PINMUX('D', 6, AF11)>, /* SDMMC1_CK */
+ <STM32_PINMUX('D', 7, AF11)>; /* SDMMC1_CMD */
+ slew-rate = <3>;
+ drive-push-pull;
+ bias-disable;
+ };
+ };
+
+ sdmmc2_b4_od_pins_a: sdmmc2-b4-od-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 14, AF9)>, /* SDMMC2_D0 */
+ <STM32_PINMUX('B', 15, AF9)>, /* SDMMC1_D1 */
+ <STM32_PINMUX('B', 3, AF9)>, /* SDMMC1_D2 */
+ <STM32_PINMUX('B', 4, AF9)>, /* SDMMC1_D3 */
+ <STM32_PINMUX('D', 6, AF11)>; /* SDMMC1_CK */
+ slew-rate = <3>;
+ drive-push-pull;
+ bias-disable;
+ };
+ pins2{
+ pinmux = <STM32_PINMUX('D', 7, AF11)>; /* SDMMC1_CMD */
+ slew-rate = <3>;
+ drive-open-drain;
+ bias-disable;
+ };
+ };
+
+ sdmmc2_b4_sleep_pins_a: sdmmc2-b4-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 14, ANALOG)>, /* SDMMC1_D0 */
+ <STM32_PINMUX('B', 15, ANALOG)>, /* SDMMC1_D1 */
+ <STM32_PINMUX('B', 3, ANALOG)>, /* SDMMC1_D2 */
+ <STM32_PINMUX('B', 4, ANALOG)>, /* SDMMC1_D3 */
+ <STM32_PINMUX('D', 6, ANALOG)>, /* SDMMC1_CK */
+ <STM32_PINMUX('D', 7, ANALOG)>; /* SDMMC1_CMD */
+ };
+ };
+
+ spi1_pins: spi1-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 5, AF5)>,
+ /* SPI1_CLK */
+ <STM32_PINMUX('B', 5, AF5)>;
+ /* SPI1_MOSI */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <2>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('G', 9, AF5)>;
+ /* SPI1_MISO */
+ bias-disable;
+ };
+ };
+
+ uart4_pins: uart4-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 0, AF8)>; /* UART4_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('I', 9, AF8)>; /* UART4_RX */
+ bias-disable;
+ };
+ };
+
usart1_pins: usart1-0 {
pins1 {
pinmux = <STM32_PINMUX('B', 14, AF4)>; /* USART1_TX */
};
};
+ usart3_pins: usart3-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
+ <STM32_PINMUX('D', 12, AF7)>; /* USART3_RTS_DE */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 11, AF7)>, /* USART3_RX */
+ <STM32_PINMUX('D', 11, AF7)>; /* USART3_CTS_NSS */
+ bias-disable;
+ };
+ };
+
usbotg_hs_pins_a: usbotg-hs-0 {
pins {
pinmux = <STM32_PINMUX('H', 4, AF10)>, /* ULPI_NXT */
--- /dev/null
+/*
+ * Copyright 2021 - Dillon Min <dillon.minfei@gmail.com>
+ *
+ * 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";
+};
+
+
projects / platform / kernel / linux-starfive.git / commitdiff