1 /* 1 /*
2 * Copyright 2017 - Vikas MANOCHA <vikas.manoch 2 * Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.com>
3 * 3 *
4 * This file is dual-licensed: you can use it 4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your opti 5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and no 6 * licensing only applies to this file, and not this project as a
7 * whole. 7 * whole.
8 * 8 *
9 * a) This file is free software; you can red 9 * a) This file is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Ge 10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundati 11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later 12 * License, or (at your option) any later version.
13 * 13 *
14 * This file is distributed in the hope th 14 * This file is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTIC 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more det 17 * GNU General Public License for more details.
18 * 18 *
19 * Or, alternatively, 19 * Or, alternatively,
20 * 20 *
21 * b) Permission is hereby granted, free of c 21 * b) Permission is hereby granted, free of charge, to any person
22 * obtaining a copy of this software and a 22 * obtaining a copy of this software and associated documentation
23 * files (the "Software"), to deal in the 23 * files (the "Software"), to deal in the Software without
24 * restriction, including without limitati 24 * restriction, including without limitation the rights to use,
25 * copy, modify, merge, publish, distribut 25 * copy, modify, merge, publish, distribute, sublicense, and/or
26 * sell copies of the Software, and to per 26 * sell copies of the Software, and to permit persons to whom the
27 * Software is furnished to do so, subject 27 * Software is furnished to do so, subject to the following
28 * conditions: 28 * conditions:
29 * 29 *
30 * The above copyright notice and this per 30 * The above copyright notice and this permission notice shall be
31 * included in all copies or substantial p 31 * included in all copies or substantial portions of the Software.
32 * 32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHO 33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT L 34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 * OF MERCHANTABILITY, FITNESS FOR A PARTI 35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE 36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGE 37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 * WHETHER IN AN ACTION OF CONTRACT, TORT 38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE 39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE. 40 * OTHER DEALINGS IN THE SOFTWARE.
41 */ 41 */
42 42
43 /dts-v1/; 43 /dts-v1/;
44 #include "stm32f746.dtsi" 44 #include "stm32f746.dtsi"
45 #include "stm32f746-pinctrl.dtsi" 45 #include "stm32f746-pinctrl.dtsi"
46 #include <dt-bindings/gpio/gpio.h> <<
47 #include <dt-bindings/input/input.h> 46 #include <dt-bindings/input/input.h>
48 #include <dt-bindings/interrupt-controller/irq !! 47 #include <dt-bindings/gpio/gpio.h>
49 48
50 / { 49 / {
51 model = "STMicroelectronics STM32F746- 50 model = "STMicroelectronics STM32F746-DISCO board";
52 compatible = "st,stm32f746-disco", "st 51 compatible = "st,stm32f746-disco", "st,stm32f746";
53 52
54 chosen { 53 chosen {
55 bootargs = "root=/dev/ram"; 54 bootargs = "root=/dev/ram";
56 stdout-path = "serial0:115200n 55 stdout-path = "serial0:115200n8";
57 }; 56 };
58 57
59 memory@c0000000 { 58 memory@c0000000 {
60 device_type = "memory"; 59 device_type = "memory";
61 reg = <0xC0000000 0x800000>; 60 reg = <0xC0000000 0x800000>;
62 }; 61 };
63 62
64 reserved-memory { <<
65 #address-cells = <1>; <<
66 #size-cells = <1>; <<
67 ranges; <<
68 <<
69 linux,cma { <<
70 compatible = "shared-d <<
71 no-map; <<
72 size = <0x80000>; <<
73 linux,dma-default; <<
74 }; <<
75 }; <<
76 <<
77 aliases { 63 aliases {
78 serial0 = &usart1; 64 serial0 = &usart1;
79 }; 65 };
80 66
81 usbotg_hs_phy: usb-phy { 67 usbotg_hs_phy: usb-phy {
82 #phy-cells = <0>; 68 #phy-cells = <0>;
83 compatible = "usb-nop-xceiv"; 69 compatible = "usb-nop-xceiv";
84 clocks = <&rcc 0 STM32F7_AHB1_ 70 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
85 clock-names = "main_clk"; 71 clock-names = "main_clk";
86 }; 72 };
87 73
88 /* This turns on vbus for otg fs for h 74 /* This turns on vbus for otg fs for host mode (dwc2) */
89 vcc5v_otg_fs: vcc5v-otg-fs-regulator { 75 vcc5v_otg_fs: vcc5v-otg-fs-regulator {
90 compatible = "regulator-fixed" 76 compatible = "regulator-fixed";
91 gpio = <&gpiod 5 0>; 77 gpio = <&gpiod 5 0>;
92 regulator-name = "vcc5_host1"; 78 regulator-name = "vcc5_host1";
93 regulator-always-on; 79 regulator-always-on;
94 }; 80 };
95 81
96 vcc_3v3: vcc-3v3 { !! 82 mmc_vcard: mmc_vcard {
97 compatible = "regulator-fixed" 83 compatible = "regulator-fixed";
98 regulator-name = "vcc_3v3"; !! 84 regulator-name = "mmc_vcard";
99 regulator-min-microvolt = <330 85 regulator-min-microvolt = <3300000>;
100 regulator-max-microvolt = <330 86 regulator-max-microvolt = <3300000>;
101 }; 87 };
102 <<
103 backlight: backlight { <<
104 compatible = "gpio-backlight"; <<
105 gpios = <&gpiok 3 GPIO_ACTIVE_ <<
106 status = "okay"; <<
107 }; <<
108 <<
109 panel_rgb: panel-rgb { <<
110 compatible = "rocktech,rk043fn <<
111 power-supply = <&vcc_3v3>; <<
112 backlight = <&backlight>; <<
113 enable-gpios = <&gpioi 12 GPIO <<
114 status = "okay"; <<
115 port { <<
116 panel_in_rgb: endpoint <<
117 remote-endpoin <<
118 }; <<
119 }; <<
120 }; <<
121 }; 88 };
122 89
123 &clk_hse { 90 &clk_hse {
124 clock-frequency = <25000000>; 91 clock-frequency = <25000000>;
125 }; 92 };
126 93
127 &i2c1 { 94 &i2c1 {
128 pinctrl-0 = <&i2c1_pins_b>; 95 pinctrl-0 = <&i2c1_pins_b>;
129 pinctrl-names = "default"; 96 pinctrl-names = "default";
130 i2c-scl-rising-time-ns = <185>; 97 i2c-scl-rising-time-ns = <185>;
131 i2c-scl-falling-time-ns = <20>; 98 i2c-scl-falling-time-ns = <20>;
132 status = "okay"; 99 status = "okay";
133 }; 100 };
134 101
135 &i2c3 { <<
136 pinctrl-0 = <&i2c3_pins_a>; <<
137 pinctrl-names = "default"; <<
138 clock-frequency = <400000>; <<
139 status = "okay"; <<
140 <<
141 touchscreen@38 { <<
142 compatible = "edt,edt-ft5306"; <<
143 reg = <0x38>; <<
144 interrupt-parent = <&gpioi>; <<
145 interrupts = <13 IRQ_TYPE_EDGE <<
146 touchscreen-size-x = <480>; <<
147 touchscreen-size-y = <272>; <<
148 }; <<
149 }; <<
150 <<
151 <dc { <<
152 pinctrl-0 = <<dc_pins_a>; <<
153 pinctrl-names = "default"; <<
154 status = "okay"; <<
155 <<
156 port { <<
157 ltdc_out_rgb: endpoint { <<
158 remote-endpoint = <&pa <<
159 }; <<
160 }; <<
161 }; <<
162 <<
163 &sdio1 { 102 &sdio1 {
164 status = "okay"; 103 status = "okay";
165 vmmc-supply = <&vcc_3v3>; !! 104 vmmc-supply = <&mmc_vcard>;
166 cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW> 105 cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
167 pinctrl-names = "default", "opendrain" !! 106 pinctrl-names = "default", "opendrain";
168 pinctrl-0 = <&sdio_pins_a>; 107 pinctrl-0 = <&sdio_pins_a>;
169 pinctrl-1 = <&sdio_pins_od_a>; 108 pinctrl-1 = <&sdio_pins_od_a>;
170 pinctrl-2 = <&sdio_pins_sleep_a>; <<
171 bus-width = <4>; 109 bus-width = <4>;
172 }; 110 };
173 111
174 &timers5 { 112 &timers5 {
175 /* Override timer5 to act as clockeven 113 /* Override timer5 to act as clockevent */
176 compatible = "st,stm32-timer"; 114 compatible = "st,stm32-timer";
177 interrupts = <50>; 115 interrupts = <50>;
178 status = "okay"; 116 status = "okay";
179 /delete-property/#address-cells; 117 /delete-property/#address-cells;
180 /delete-property/#size-cells; 118 /delete-property/#size-cells;
181 /delete-property/clock-names; 119 /delete-property/clock-names;
182 /delete-node/pwm; 120 /delete-node/pwm;
183 /delete-node/timer@4; 121 /delete-node/timer@4;
184 }; 122 };
185 123
186 &usart1 { 124 &usart1 {
187 pinctrl-0 = <&usart1_pins_b>; 125 pinctrl-0 = <&usart1_pins_b>;
188 pinctrl-names = "default"; 126 pinctrl-names = "default";
189 status = "okay"; 127 status = "okay";
190 }; 128 };
191 129
192 &usbotg_fs { 130 &usbotg_fs {
193 dr_mode = "host"; 131 dr_mode = "host";
194 pinctrl-0 = <&usbotg_fs_pins_a>; 132 pinctrl-0 = <&usbotg_fs_pins_a>;
195 pinctrl-names = "default"; 133 pinctrl-names = "default";
196 status = "okay"; 134 status = "okay";
197 }; 135 };
198 136
199 &usbotg_hs { 137 &usbotg_hs {
200 dr_mode = "host"; 138 dr_mode = "host";
201 phys = <&usbotg_hs_phy>; 139 phys = <&usbotg_hs_phy>;
202 phy-names = "usb2-phy"; 140 phy-names = "usb2-phy";
203 pinctrl-0 = <&usbotg_hs_pins_b>; 141 pinctrl-0 = <&usbotg_hs_pins_b>;
204 pinctrl-names = "default"; 142 pinctrl-names = "default";
205 status = "okay"; 143 status = "okay";
206 }; 144 };
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