diff options
Diffstat (limited to 'arch/arm/boot/dts/stm32f746-disco.dts')
| -rw-r--r-- | arch/arm/boot/dts/stm32f746-disco.dts | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts new file mode 100644 index 000000000..c11616ed5 --- /dev/null +++ b/arch/arm/boot/dts/stm32f746-disco.dts @@ -0,0 +1,144 @@ +/* + * Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.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. + */ + +/dts-v1/; +#include "stm32f746.dtsi" +#include "stm32f746-pinctrl.dtsi" +#include <dt-bindings/input/input.h> +#include <dt-bindings/gpio/gpio.h> + +/ { + model = "STMicroelectronics STM32F746-DISCO board"; + compatible = "st,stm32f746-disco", "st,stm32f746"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory@c0000000 { + device_type = "memory"; + reg = <0xC0000000 0x800000>; + }; + + aliases { + serial0 = &usart1; + }; + + usbotg_hs_phy: usb-phy { + #phy-cells = <0>; + compatible = "usb-nop-xceiv"; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>; + clock-names = "main_clk"; + }; + + /* This turns on vbus for otg fs for host mode (dwc2) */ + vcc5v_otg_fs: vcc5v-otg-fs-regulator { + compatible = "regulator-fixed"; + gpio = <&gpiod 5 0>; + regulator-name = "vcc5_host1"; + regulator-always-on; + }; + + mmc_vcard: mmc_vcard { + compatible = "regulator-fixed"; + regulator-name = "mmc_vcard"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; +}; + +&clk_hse { + clock-frequency = <25000000>; +}; + +&i2c1 { + pinctrl-0 = <&i2c1_pins_b>; + pinctrl-names = "default"; + i2c-scl-rising-time-ns = <185>; + i2c-scl-falling-time-ns = <20>; + status = "okay"; +}; + +&sdio1 { + status = "okay"; + vmmc-supply = <&mmc_vcard>; + cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>; + pinctrl-names = "default", "opendrain"; + pinctrl-0 = <&sdio_pins_a>; + pinctrl-1 = <&sdio_pins_od_a>; + bus-width = <4>; +}; + +&timers5 { + /* Override timer5 to act as clockevent */ + compatible = "st,stm32-timer"; + interrupts = <50>; + status = "okay"; + /delete-property/#address-cells; + /delete-property/#size-cells; + /delete-property/clock-names; + /delete-node/pwm; + /delete-node/timer@4; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins_b>; + pinctrl-names = "default"; + status = "okay"; +}; + +&usbotg_fs { + dr_mode = "host"; + pinctrl-0 = <&usbotg_fs_pins_a>; + pinctrl-names = "default"; + status = "okay"; +}; + +&usbotg_hs { + dr_mode = "host"; + phys = <&usbotg_hs_phy>; + phy-names = "usb2-phy"; + pinctrl-0 = <&usbotg_hs_pins_b>; + pinctrl-names = "default"; + status = "okay"; +}; |