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1/*
2 * Copyright 2016-2018 Toradex AG
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
11 * version 2 as published by the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * Or, alternatively
19 *
20 * b) Permission is hereby granted, free of charge, to any person
21 * obtaining a copy of this software and associated documentation
22 * files (the "Software"), to deal in the Software without
23 * restriction, including without limitation the rights to use
24 * copy, modify, merge, publish, distribute, sublicense, and/or
25 * sell copies of the Software, and to permit persons to whom the
26 * Software is furnished to do so, subject to the following
27 * conditions:
28 *
29 * The above copyright notice and this permission notice shall be
30 * included in all copies or substantial portions of the Software.
31 *
32 * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
33 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
34 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
35 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
36 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
37 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
38 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
39 * OTHER DEALINGS IN THE SOFTWARE.
40 */
41
42/dts-v1/;
43
44#include <dt-bindings/input/input.h>
45#include "tegra124-apalis.dtsi"
46
47/ {
48 model = "Toradex Apalis TK1 on Apalis Evaluation Board";
49 compatible = "toradex,apalis-tk1-eval", "toradex,apalis-tk1",
50 "nvidia,tegra124";
51
52 aliases {
53 rtc0 = "/i2c@7000c000/rtc@68";
54 rtc1 = "/i2c@7000d000/pmic@40";
55 rtc2 = "/rtc@7000e000";
56 serial0 = &uarta;
57 serial1 = &uartb;
58 serial2 = &uartc;
59 serial3 = &uartd;
60 };
61
62 chosen {
63 stdout-path = "serial0:115200n8";
64 };
65
66 pcie@1003000 {
67 pci@1,0 {
68 status = "okay";
69 };
70 };
71
72 host1x@50000000 {
73 hdmi@54280000 {
74 status = "okay";
75 };
76 };
77
78 /* Apalis UART1 */
79 serial@70006000 {
80 status = "okay";
81 };
82
83 /* Apalis UART2 */
84 serial@70006040 {
85 status = "okay";
86 };
87
88 /* Apalis UART3 */
89 serial@70006200 {
90 status = "okay";
91 };
92
93 /* Apalis UART4 */
94 serial@70006300 {
95 status = "okay";
96 };
97
98 pwm@7000a000 {
99 status = "okay";
100 };
101
102 /*
103 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
104 * board)
105 */
106 i2c@7000c000 {
107 status = "okay";
108 clock-frequency = <400000>;
109
110 pcie-switch@58 {
111 compatible = "plx,pex8605";
112 reg = <0x58>;
113 };
114
115 /* M41T0M6 real time clock on carrier board */
116 rtc@68 {
117 compatible = "st,m41t0";
118 reg = <0x68>;
119 };
120 };
121
122 /*
123 * GEN2_I2C: I2C2_SDA/SCL (DDC) on MXM3 pin 205/207 (e.g. display EDID)
124 */
125 hdmi_ddc: i2c@7000c400 {
126 status = "okay";
127 };
128
129 /*
130 * CAM_I2C: I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor
131 * on carrier board)
132 */
133 i2c@7000c500 {
134 status = "okay";
135 clock-frequency = <400000>;
136 };
137
138 /* I2C4 (DDC): unused */
139
140 /* SPI1: Apalis SPI1 */
141 spi@7000d400 {
142 status = "okay";
143 spi-max-frequency = <50000000>;
144
145 spidev0: spidev@0 {
146 compatible = "spidev";
147 reg = <0>;
148 spi-max-frequency = <50000000>;
149 };
150 };
151
152 /* SPI4: Apalis SPI2 */
153 spi@7000da00 {
154 status = "okay";
155 spi-max-frequency = <50000000>;
156
157 spidev1: spidev@0 {
158 compatible = "spidev";
159 reg = <0>;
160 spi-max-frequency = <50000000>;
161 };
162 };
163
164 /* Apalis Serial ATA */
165 sata@70020000 {
166 status = "okay";
167 };
168
169 hda@70030000 {
170 status = "okay";
171 };
172
173 usb@70090000 {
174 status = "okay";
175 };
176
177 /* Apalis MMC1 */
178 sdhci@700b0000 {
179 status = "okay";
180 /* MMC1_CD# */
181 cd-gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_LOW>;
182 bus-width = <4>;
183 vqmmc-supply = <&vddio_sdmmc1>;
184 };
185
186 /* Apalis SD1 */
187 sdhci@700b0400 {
188 status = "okay";
189 /* SD1_CD# */
190 cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
191 bus-width = <4>;
192 vqmmc-supply = <&vddio_sdmmc3>;
193 };
194
195 /* EHCI instance 0: USB1_DP/N -> USBO1_DP/N */
196 usb@7d000000 {
197 status = "okay";
198 dr_mode = "otg";
199 };
200
201 usb-phy@7d000000 {
202 status = "okay";
203 vbus-supply = <®_usbo1_vbus>;
204 };
205
206 /* EHCI instance 1: USB2_DP/N -> USBH2_DP/N */
207 usb@7d004000 {
208 status = "okay";
209 };
210
211 usb-phy@7d004000 {
212 status = "okay";
213 vbus-supply = <®_usbh_vbus>;
214 };
215
216 /* EHCI instance 2: USB3_DP/N -> USBH4_DP/N */
217 usb@7d008000 {
218 status = "okay";
219 };
220
221 usb-phy@7d008000 {
222 status = "okay";
223 vbus-supply = <®_usbh_vbus>;
224 };
225
226 backlight: backlight {
227 compatible = "pwm-backlight";
228 pwms = <&pwm 3 5000000>; /* BKL1_PWM */
229 brightness-levels = <255 231 223 207 191 159 127 0>;
230 default-brightness-level = <6>;
231 /* BKL1_ON */
232 enable-gpios = <&gpio TEGRA_GPIO(BB, 5) GPIO_ACTIVE_HIGH>;
233 };
234
235 gpio-keys {
236 compatible = "gpio-keys";
237
238 wakeup {
239 label = "WAKE1_MICO";
240 gpios = <&gpio TEGRA_GPIO(DD, 3) GPIO_ACTIVE_LOW>;
241 linux,code = <KEY_WAKEUP>;
242 debounce-interval = <10>;
243 wakeup-source;
244 };
245 };
246
247 reg_5v0: regulator-5v0 {
248 compatible = "regulator-fixed";
249 regulator-name = "5V_SW";
250 regulator-min-microvolt = <5000000>;
251 regulator-max-microvolt = <5000000>;
252 };
253
254 /* USBO1_EN */
255 reg_usbo1_vbus: regulator-usbo1-vbus {
256 compatible = "regulator-fixed";
257 regulator-name = "VCC_USBO1";
258 regulator-min-microvolt = <5000000>;
259 regulator-max-microvolt = <5000000>;
260 gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
261 enable-active-high;
262 vin-supply = <®_5v0>;
263 };
264
265 /* USBH_EN */
266 reg_usbh_vbus: regulator-usbh-vbus {
267 compatible = "regulator-fixed";
268 regulator-name = "VCC_USBH(2A|2C|2D|3|4)";
269 regulator-min-microvolt = <5000000>;
270 regulator-max-microvolt = <5000000>;
271 gpio = <&gpio TEGRA_GPIO(N, 5) GPIO_ACTIVE_HIGH>;
272 enable-active-high;
273 vin-supply = <®_5v0>;
274 };
275};
276
277&gpio {
278 /* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
279 pex_perst_n {
280 gpio-hog;
281 gpios = <TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
282 output-high;
283 line-name = "PEX_PERST_N";
284 };
285};