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1/*
2 * Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.com>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 * a) This file is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
13 *
14 * This file is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 * b) Permission is hereby granted, free of charge, to any person
22 * obtaining a copy of this software and associated documentation
23 * files (the "Software"), to deal in the Software without
24 * restriction, including without limitation the rights to use,
25 * copy, modify, merge, publish, distribute, sublicense, and/or
26 * sell copies of the Software, and to permit persons to whom the
27 * Software is furnished to do so, subject to the following
28 * conditions:
29 *
30 * The above copyright notice and this permission notice shall be
31 * included in all copies or substantial portions of the Software.
32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43/dts-v1/;
44#include "stm32f746.dtsi"
45#include "stm32f746-pinctrl.dtsi"
46#include <dt-bindings/input/input.h>
47#include <dt-bindings/gpio/gpio.h>
48
49/ {
50 model = "STMicroelectronics STM32F746-DISCO board";
51 compatible = "st,stm32f746-disco", "st,stm32f746";
52
53 chosen {
54 bootargs = "root=/dev/ram";
55 stdout-path = "serial0:115200n8";
56 };
57
58 memory@c0000000 {
59 device_type = "memory";
60 reg = <0xC0000000 0x800000>;
61 };
62
63 aliases {
64 serial0 = &usart1;
65 };
66
67 usbotg_hs_phy: usb-phy {
68 #phy-cells = <0>;
69 compatible = "usb-nop-xceiv";
70 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
71 clock-names = "main_clk";
72 };
73
74 /* This turns on vbus for otg fs for host mode (dwc2) */
75 vcc5v_otg_fs: vcc5v-otg-fs-regulator {
76 compatible = "regulator-fixed";
77 gpio = <&gpiod 5 0>;
78 regulator-name = "vcc5_host1";
79 regulator-always-on;
80 };
81
82 mmc_vcard: mmc_vcard {
83 compatible = "regulator-fixed";
84 regulator-name = "mmc_vcard";
85 regulator-min-microvolt = <3300000>;
86 regulator-max-microvolt = <3300000>;
87 };
88};
89
90&clk_hse {
91 clock-frequency = <25000000>;
92};
93
94&i2c1 {
95 pinctrl-0 = <&i2c1_pins_b>;
96 pinctrl-names = "default";
97 i2c-scl-rising-time-ns = <185>;
98 i2c-scl-falling-time-ns = <20>;
99 status = "okay";
100};
101
102&sdio1 {
103 status = "okay";
104 vmmc-supply = <&mmc_vcard>;
105 cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
106 pinctrl-names = "default", "opendrain";
107 pinctrl-0 = <&sdio_pins_a>;
108 pinctrl-1 = <&sdio_pins_od_a>;
109 bus-width = <4>;
110};
111
112&timers5 {
113 /* Override timer5 to act as clockevent */
114 compatible = "st,stm32-timer";
115 interrupts = <50>;
116 status = "okay";
117 /delete-property/#address-cells;
118 /delete-property/#size-cells;
119 /delete-property/clock-names;
120 /delete-node/pwm;
121 /delete-node/timer@4;
122};
123
124&usart1 {
125 pinctrl-0 = <&usart1_pins_b>;
126 pinctrl-names = "default";
127 status = "okay";
128};
129
130&usbotg_fs {
131 dr_mode = "host";
132 pinctrl-0 = <&usbotg_fs_pins_a>;
133 pinctrl-names = "default";
134 status = "okay";
135};
136
137&usbotg_hs {
138 dr_mode = "host";
139 phys = <&usbotg_hs_phy>;
140 phy-names = "usb2-phy";
141 pinctrl-0 = <&usbotg_hs_pins_b>;
142 pinctrl-names = "default";
143 status = "okay";
144};
1/*
2 * Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.com>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 * a) This file is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
13 *
14 * This file is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 * b) Permission is hereby granted, free of charge, to any person
22 * obtaining a copy of this software and associated documentation
23 * files (the "Software"), to deal in the Software without
24 * restriction, including without limitation the rights to use,
25 * copy, modify, merge, publish, distribute, sublicense, and/or
26 * sell copies of the Software, and to permit persons to whom the
27 * Software is furnished to do so, subject to the following
28 * conditions:
29 *
30 * The above copyright notice and this permission notice shall be
31 * included in all copies or substantial portions of the Software.
32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43/dts-v1/;
44#include "stm32f746.dtsi"
45#include "stm32f746-pinctrl.dtsi"
46#include <dt-bindings/input/input.h>
47#include <dt-bindings/gpio/gpio.h>
48
49/ {
50 model = "STMicroelectronics STM32F746-DISCO board";
51 compatible = "st,stm32f746-disco", "st,stm32f746";
52
53 chosen {
54 bootargs = "root=/dev/ram";
55 stdout-path = "serial0:115200n8";
56 };
57
58 memory {
59 device_type = "memory";
60 reg = <0xC0000000 0x800000>;
61 };
62
63 aliases {
64 serial0 = &usart1;
65 };
66
67 usbotg_hs_phy: usb-phy {
68 #phy-cells = <0>;
69 compatible = "usb-nop-xceiv";
70 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
71 clock-names = "main_clk";
72 };
73
74 /* This turns on vbus for otg fs for host mode (dwc2) */
75 vcc5v_otg_fs: vcc5v-otg-fs-regulator {
76 compatible = "regulator-fixed";
77 gpio = <&gpiod 5 0>;
78 regulator-name = "vcc5_host1";
79 regulator-always-on;
80 };
81
82 mmc_vcard: mmc_vcard {
83 compatible = "regulator-fixed";
84 regulator-name = "mmc_vcard";
85 regulator-min-microvolt = <3300000>;
86 regulator-max-microvolt = <3300000>;
87 };
88};
89
90&clk_hse {
91 clock-frequency = <25000000>;
92};
93
94&i2c1 {
95 pinctrl-0 = <&i2c1_pins_b>;
96 pinctrl-names = "default";
97 i2c-scl-rising-time-ns = <185>;
98 i2c-scl-falling-time-ns = <20>;
99 status = "okay";
100};
101
102&sdio1 {
103 status = "okay";
104 vmmc-supply = <&mmc_vcard>;
105 cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
106 pinctrl-names = "default", "opendrain";
107 pinctrl-0 = <&sdio_pins_a>;
108 pinctrl-1 = <&sdio_pins_od_a>;
109 bus-width = <4>;
110};
111
112&usart1 {
113 pinctrl-0 = <&usart1_pins_b>;
114 pinctrl-names = "default";
115 status = "okay";
116};
117
118&usbotg_fs {
119 dr_mode = "host";
120 pinctrl-0 = <&usbotg_fs_pins_a>;
121 pinctrl-names = "default";
122 status = "okay";
123};
124
125&usbotg_hs {
126 dr_mode = "host";
127 phys = <&usbotg_hs_phy>;
128 phy-names = "usb2-phy";
129 pinctrl-0 = <&usbotg_hs_pins_b>;
130 pinctrl-names = "default";
131 status = "okay";
132};