1 // SPDX-License-Identifier: GPL-2.0 OR X11
2 /*
3 * Copyright 2016-2019 Toradex AG
4 */
5
6 /dts-v1/;
7
8 #include <dt-bindings/input/input.h>
9 #include "tegra124-apalis.dtsi"
10
11 / {
12 model = "Toradex Apalis TK1 on Apalis Evaluation Board";
13 compatible = "toradex,apalis-tk1-eval", "toradex,apalis-tk1",
14 "nvidia,tegra124";
15
16 aliases {
17 rtc0 = "/i2c@7000c000/rtc@68";
18 rtc1 = "/i2c@7000d000/pmic@40";
19 rtc2 = "/rtc@7000e000";
20 serial0 = &uarta;
21 serial1 = &uartb;
22 serial2 = &uartc;
23 serial3 = &uartd;
24 };
25
26 chosen {
27 stdout-path = "serial0:115200n8";
28 };
29
30 pcie@1003000 {
31 pci@1,0 {
32 status = "okay";
33 };
34 };
35
36 host1x@50000000 {
37 hdmi@54280000 {
38 status = "okay";
39 hdmi-supply = <®_5v0>;
40 };
41 };
42
43 gpio: gpio@6000d000 {
44 /* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
45 pex-perst-n-hog {
46 gpio-hog;
47 gpios = <TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
48 output-high;
49 line-name = "PEX_PERST_N";
50 };
51 };
52
53 /* Apalis UART1 */
54 serial@70006000 {
55 /delete-property/ dmas;
56 /delete-property/ dma-names;
57 status = "okay";
58 };
59
60 /* Apalis UART2 */
61 serial@70006040 {
62 status = "okay";
63 };
64
65 /* Apalis UART3 */
66 serial@70006200 {
67 status = "okay";
68 };
69
70 /* Apalis UART4 */
71 serial@70006300 {
72 status = "okay";
73 };
74
75 pwm@7000a000 {
76 status = "okay";
77 };
78
79 /*
80 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
81 * board)
82 */
83 i2c@7000c000 {
84 status = "okay";
85 clock-frequency = <400000>;
86
87 pcie-switch@58 {
88 compatible = "plx,pex8605";
89 reg = <0x58>;
90 };
91
92 /* M41T0M6 real time clock on carrier board */
93 rtc@68 {
94 compatible = "st,m41t0";
95 reg = <0x68>;
96 };
97 };
98
99 /*
100 * GEN2_I2C: I2C2_SDA/SCL (DDC) on MXM3 pin 205/207 (e.g. display EDID)
101 */
102 i2c@7000c400 {
103 status = "okay";
104 };
105
106 /*
107 * CAM_I2C: I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor
108 * on carrier board)
109 */
110 i2c@7000c500 {
111 status = "okay";
112 clock-frequency = <400000>;
113 };
114
115 /* I2C4 (DDC): unused */
116
117 /* SPI1: Apalis SPI1 */
118 spi@7000d400 {
119 status = "okay";
120 spi-max-frequency = <50000000>;
121 };
122
123 /* SPI4: Apalis SPI2 */
124 spi@7000da00 {
125 status = "okay";
126 spi-max-frequency = <50000000>;
127 };
128
129 /* Apalis Serial ATA */
130 sata@70020000 {
131 status = "okay";
132 target-5v-supply = <®_5v0>;
133 target-12v-supply = <®_12v0>;
134 };
135
136 hda@70030000 {
137 status = "okay";
138 };
139
140 usb@70090000 {
141 status = "okay";
142 };
143
144 /* Apalis MMC1 */
145 mmc@700b0000 {
146 status = "okay";
147 bus-width = <4>;
148 /* MMC1_CD# */
149 cd-gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_LOW>;
150 vqmmc-supply = <&vddio_sdmmc1>;
151 };
152
153 /* Apalis SD1 */
154 mmc@700b0400 {
155 status = "okay";
156 bus-width = <4>;
157 /* SD1_CD# */
158 cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
159 vqmmc-supply = <&vddio_sdmmc3>;
160 };
161
162 /* EHCI instance 0: USB1_DP/N -> USBO1_DP/N */
163 usb@7d000000 {
164 status = "okay";
165 dr_mode = "otg";
166 };
167
168 usb-phy@7d000000 {
169 status = "okay";
170 vbus-supply = <®_usbo1_vbus>;
171 };
172
173 /* EHCI instance 1: USB2_DP/N -> USBH2_DP/N */
174 usb@7d004000 {
175 status = "okay";
176 };
177
178 usb-phy@7d004000 {
179 status = "okay";
180 vbus-supply = <®_usbh_vbus>;
181 };
182
183 /* EHCI instance 2: USB3_DP/N -> USBH4_DP/N */
184 usb@7d008000 {
185 status = "okay";
186 };
187
188 usb-phy@7d008000 {
189 status = "okay";
190 vbus-supply = <®_usbh_vbus>;
191 };
192
193 backlight: backlight {
194 compatible = "pwm-backlight";
195 brightness-levels = <255 231 223 207 191 159 127 0>;
196 default-brightness-level = <6>;
197 /* BKL1_ON */
198 enable-gpios = <&gpio TEGRA_GPIO(BB, 5) GPIO_ACTIVE_HIGH>;
199 power-supply = <®_3v3>;
200 pwms = <&pwm 3 5000000>; /* BKL1_PWM */
201 };
202
203 gpio-keys {
204 compatible = "gpio-keys";
205
206 key-wakeup {
207 label = "WAKE1_MICO";
208 gpios = <&gpio TEGRA_GPIO(DD, 3) GPIO_ACTIVE_LOW>;
209 linux,code = <KEY_WAKEUP>;
210 debounce-interval = <10>;
211 wakeup-source;
212 };
213 };
214
215 reg_3v3: regulator-3v3 {
216 compatible = "regulator-fixed";
217 regulator-name = "3.3V_SW";
218 regulator-min-microvolt = <3300000>;
219 regulator-max-microvolt = <3300000>;
220 };
221
222 reg_5v0: regulator-5v0 {
223 compatible = "regulator-fixed";
224 regulator-name = "5V_SW";
225 regulator-min-microvolt = <5000000>;
226 regulator-max-microvolt = <5000000>;
227 };
228
229 reg_12v0: regulator-12v0 {
230 compatible = "regulator-fixed";
231 regulator-name = "12V_SW";
232 regulator-min-microvolt = <12000000>;
233 regulator-max-microvolt = <12000000>;
234 };
235
236 /* USBO1_EN */
237 reg_usbo1_vbus: regulator-usbo1-vbus {
238 compatible = "regulator-fixed";
239 regulator-name = "VCC_USBO1";
240 regulator-min-microvolt = <5000000>;
241 regulator-max-microvolt = <5000000>;
242 gpio = <&gpio TEGRA_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
243 enable-active-high;
244 vin-supply = <®_5v0>;
245 };
246
247 /* USBH_EN */
248 reg_usbh_vbus: regulator-usbh-vbus {
249 compatible = "regulator-fixed";
250 regulator-name = "VCC_USBH(2A|2C|2D|3|4)";
251 regulator-min-microvolt = <5000000>;
252 regulator-max-microvolt = <5000000>;
253 gpio = <&gpio TEGRA_GPIO(N, 5) GPIO_ACTIVE_HIGH>;
254 enable-active-high;
255 vin-supply = <®_5v0>;
256 };
257 };
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