1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright 2023 Gateworks Corporation
4 */
5
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/phy/phy-imx8-pcie.h>
9
10 / {
11 led-controller {
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
15
16 led-0 {
17 function = LED_FUNCTION_STATUS;
18 color = <LED_COLOR_ID_GREEN>;
19 gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
20 default-state = "on";
21 linux,default-trigger = "heartbeat";
22 };
23
24 led-1 {
25 function = LED_FUNCTION_STATUS;
26 color = <LED_COLOR_ID_RED>;
27 gpios = <&gpio4 27 GPIO_ACTIVE_HIGH>;
28 default-state = "off";
29 };
30 };
31
32 pcie0_refclk: pcie0-refclk {
33 compatible = "fixed-clock";
34 #clock-cells = <0>;
35 clock-frequency = <100000000>;
36 };
37
38 pps {
39 compatible = "pps-gpio";
40 pinctrl-names = "default";
41 pinctrl-0 = <&pinctrl_pps>;
42 gpios = <&gpio4 21 GPIO_ACTIVE_HIGH>;
43 status = "okay";
44 };
45
46 reg_usb2_vbus: regulator-usb2-vbus {
47 pinctrl-names = "default";
48 pinctrl-0 = <&pinctrl_reg_usb2_en>;
49 compatible = "regulator-fixed";
50 regulator-name = "usb2_vbus";
51 gpio = <&gpio4 12 GPIO_ACTIVE_HIGH>;
52 enable-active-high;
53 regulator-min-microvolt = <5000000>;
54 regulator-max-microvolt = <5000000>;
55 };
56
57 reg_usdhc2_vmmc: regulator-usdhc2 {
58 pinctrl-names = "default";
59 pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
60 compatible = "regulator-fixed";
61 regulator-name = "SD2_3P3V";
62 regulator-min-microvolt = <3300000>;
63 regulator-max-microvolt = <3300000>;
64 gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
65 enable-active-high;
66 };
67 };
68
69 /* off-board header */
70 &ecspi2 {
71 pinctrl-names = "default";
72 pinctrl-0 = <&pinctrl_spi2>;
73 cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
74 status = "okay";
75 };
76
77 &gpio4 {
78 gpio-line-names =
79 "", "", "", "",
80 "", "", "", "",
81 "", "", "", "",
82 "", "gpioa", "", "",
83 "", "", "", "",
84 "", "", "", "",
85 "", "", "", "",
86 "", "", "", "";
87 };
88
89 &gpio4 {
90 gpio-line-names =
91 "", "gpiod", "", "",
92 "gpiob", "gpioc", "", "",
93 "", "", "", "",
94 "", "", "", "",
95 "", "", "", "",
96 "", "", "", "",
97 "", "", "pci_usb_sel", "",
98 "pci_wdis#", "", "", "";
99 };
100
101 &i2c2 {
102 clock-frequency = <400000>;
103 pinctrl-names = "default";
104 pinctrl-0 = <&pinctrl_i2c2>;
105 status = "okay";
106
107 eeprom@52 {
108 compatible = "atmel,24c32";
109 reg = <0x52>;
110 pagesize = <32>;
111 };
112 };
113
114 /* off-board header */
115 &i2c3 {
116 clock-frequency = <400000>;
117 pinctrl-names = "default";
118 pinctrl-0 = <&pinctrl_i2c3>;
119 status = "okay";
120 };
121
122 &pcie_phy {
123 fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
124 fsl,clkreq-unsupported;
125 clocks = <&pcie0_refclk>;
126 clock-names = "ref";
127 status = "okay";
128 };
129
130 &pcie {
131 pinctrl-names = "default";
132 pinctrl-0 = <&pinctrl_pcie0>;
133 reset-gpio = <&gpio4 29 GPIO_ACTIVE_LOW>;
134 status = "okay";
135 };
136
137 /* GPS */
138 &uart1 {
139 pinctrl-names = "default";
140 pinctrl-0 = <&pinctrl_uart1>;
141 status = "okay";
142 };
143
144 /* USB1 - Type C front panel SINK port J14 */
145 &usb3_0 {
146 status = "okay";
147 };
148
149 &usb3_phy0 {
150 status = "okay";
151 };
152
153 &usb_dwc3_0 {
154 dr_mode = "peripheral";
155 status = "okay";
156 };
157
158 /* USB2 4-port USB3.0 HUB:
159 * P1 - USBC connector (host only)
160 * P2 - USB2 test connector
161 * P3 - miniPCIe full card
162 * P4 - miniPCIe half card
163 */
164 &usb3_phy1 {
165 vbus-supply = <®_usb2_vbus>;
166 status = "okay";
167 };
168
169 &usb3_1 {
170 fsl,permanently-attached;
171 fsl,disable-port-power-control;
172 status = "okay";
173 };
174
175 &usb_dwc3_1 {
176 dr_mode = "host";
177 status = "okay";
178 };
179
180 /* microSD */
181 &usdhc2 {
182 pinctrl-names = "default", "state_100mhz", "state_200mhz";
183 pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
184 pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
185 pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
186 cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
187 vmmc-supply = <®_usdhc2_vmmc>;
188 bus-width = <4>;
189 status = "okay";
190 };
191
192 &iomuxc {
193 pinctrl-names = "default";
194 pinctrl-0 = <&pinctrl_hog>;
195
196 pinctrl_hog: hoggrp {
197 fsl,pins = <
198 MX8MP_IOMUXC_GPIO1_IO13__GPIO1_IO13 0x40000040 /* GPIOA */
199 MX8MP_IOMUXC_SAI1_RXC__GPIO4_IO01 0x40000040 /* GPIOD */
200 MX8MP_IOMUXC_SAI1_RXD2__GPIO4_IO04 0x40000040 /* GPIOB */
201 MX8MP_IOMUXC_SAI1_RXD3__GPIO4_IO05 0x40000040 /* GPIOC */
202 MX8MP_IOMUXC_SAI2_TXD0__GPIO4_IO26 0x40000106 /* PCI_USBSEL */
203 MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x40000106 /* PCI_WDIS# */
204 >;
205 };
206
207 pinctrl_gpio_leds: gpioledgrp {
208 fsl,pins = <
209 MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x6 /* LEDG */
210 MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27 0x6 /* LEDR */
211 >;
212 };
213
214 pinctrl_i2c2: i2c2grp {
215 fsl,pins = <
216 MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
217 MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2
218 >;
219 };
220
221 pinctrl_i2c3: i2c3grp {
222 fsl,pins = <
223 MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2
224 MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2
225 >;
226 };
227
228 pinctrl_pcie0: pciegrp {
229 fsl,pins = <
230 MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29 0x106
231 >;
232 };
233
234 pinctrl_pps: ppsgrp {
235 fsl,pins = <
236 MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21 0x106
237 >;
238 };
239
240 pinctrl_reg_usb2_en: regusb2grp {
241 fsl,pins = <
242 MX8MP_IOMUXC_SAI1_TXD0__GPIO4_IO12 0x6 /* USBHUB_RST# (ext p/u) */
243 >;
244 };
245
246 pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
247 fsl,pins = <
248 MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40
249 >;
250 };
251
252 pinctrl_spi2: spi2grp {
253 fsl,pins = <
254 MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK 0x140
255 MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI 0x140
256 MX8MP_IOMUXC_ECSPI2_MISO__ECSPI2_MISO 0x140
257 MX8MP_IOMUXC_ECSPI2_SS0__GPIO5_IO13 0x140
258 >;
259 };
260
261 pinctrl_uart1: uart1grp {
262 fsl,pins = <
263 MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140
264 MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x140
265 >;
266 };
267
268 pinctrl_usdhc2: usdhc2grp {
269 fsl,pins = <
270 MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x190
271 MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d0
272 MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d0
273 MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d0
274 MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d0
275 MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d0
276 MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc0
277 >;
278 };
279
280 pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
281 fsl,pins = <
282 MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x194
283 MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d4
284 MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d4
285 MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d4
286 MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d4
287 MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d4
288 MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc0
289 >;
290 };
291
292 pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
293 fsl,pins = <
294 MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK 0x196
295 MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD 0x1d6
296 MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0 0x1d6
297 MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1 0x1d6
298 MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2 0x1d6
299 MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x1d6
300 MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc0
301 >;
302 };
303
304 pinctrl_usdhc2_gpio: usdhc2gpiogrp {
305 fsl,pins = <
306 MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12 0x1c4
307 >;
308 };
309 };
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