1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright 2020 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	aliases {
12		usb0 = &usbotg1;
13		usb1 = &usbotg2;
14	};
15
16	led-controller {
17		compatible = "gpio-leds";
18		pinctrl-names = "default";
19		pinctrl-0 = <&pinctrl_gpio_leds>;
20
21		led-0 {
22			function = LED_FUNCTION_STATUS;
23			color = <LED_COLOR_ID_GREEN>;
24			gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
25			default-state = "on";
26			linux,default-trigger = "heartbeat";
27		};
28
29		led-1 {
30			function = LED_FUNCTION_STATUS;
31			color = <LED_COLOR_ID_RED>;
32			gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>;
33			default-state = "off";
34		};
35	};
36
37	pcie0_refclk: pcie0-refclk {
38		compatible = "fixed-clock";
39		#clock-cells = <0>;
40		clock-frequency = <100000000>;
41	};
42
43	pps {
44		compatible = "pps-gpio";
45		pinctrl-names = "default";
46		pinctrl-0 = <&pinctrl_pps>;
47		gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
48		status = "okay";
49	};
50};
51
52/* off-board header */
53&ecspi2 {
54	pinctrl-names = "default";
55	pinctrl-0 = <&pinctrl_spi2>;
56	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
57	status = "okay";
58};
59
60&gpio1 {
61	gpio-line-names = "", "", "", "", "", "", "pci_usb_sel", "dio0",
62		"", "dio1", "", "", "", "", "", "",
63		"", "", "", "", "", "", "", "",
64		"", "", "", "", "", "", "", "";
65};
66
67&gpio4 {
68	gpio-line-names = "", "", "", "dio2", "dio3", "", "", "pci_wdis#",
69		"", "", "", "", "", "", "", "",
70		"", "", "", "", "", "", "", "",
71		"", "", "", "", "", "", "", "";
72};
73
74&i2c2 {
75	clock-frequency = <400000>;
76	pinctrl-names = "default";
77	pinctrl-0 = <&pinctrl_i2c2>;
78	status = "okay";
79
80	accelerometer@19 {
81		pinctrl-names = "default";
82		pinctrl-0 = <&pinctrl_accel>;
83		compatible = "st,lis2de12";
84		reg = <0x19>;
85		st,drdy-int-pin = <1>;
86		interrupt-parent = <&gpio4>;
87		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
88		interrupt-names = "INT1";
89	};
90};
91
92/* off-board header */
93&i2c3 {
94	clock-frequency = <400000>;
95	pinctrl-names = "default";
96	pinctrl-0 = <&pinctrl_i2c3>;
97	status = "okay";
98};
99
100&pcie_phy {
101	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
102	fsl,clkreq-unsupported;
103	clocks = <&pcie0_refclk>;
104	clock-names = "ref";
105	status = "okay";
106};
107
108&pcie0 {
109	pinctrl-names = "default";
110	pinctrl-0 = <&pinctrl_pcie0>;
111	reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>;
112	clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,
113		 <&clk IMX8MM_CLK_PCIE1_AUX>;
114	assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
115			  <&clk IMX8MM_CLK_PCIE1_CTRL>;
116	assigned-clock-rates = <10000000>, <250000000>;
117	assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>,
118				 <&clk IMX8MM_SYS_PLL2_250M>;
119	status = "okay";
120};
121
122/* GPS */
123&uart1 {
124	pinctrl-names = "default";
125	pinctrl-0 = <&pinctrl_uart1>;
126	status = "okay";
127};
128
129/* off-board header */
130&uart3 {
131	pinctrl-names = "default";
132	pinctrl-0 = <&pinctrl_uart3>;
133	status = "okay";
134};
135
136&usbotg1 {
137	pinctrl-names = "default";
138	pinctrl-0 = <&pinctrl_usbotg1>;
139	dr_mode = "otg";
140	over-current-active-low;
141	status = "okay";
142};
143
144&usbotg2 {
145	dr_mode = "host";
146	disable-over-current;
147	status = "okay";
148};
149
150&iomuxc {
151	pinctrl-names = "default";
152	pinctrl-0 = <&pinctrl_hog>;
153
154	pinctrl_hog: hoggrp {
155		fsl,pins = <
156			MX8MM_IOMUXC_SPDIF_TX_GPIO5_IO3		0x40000041 /* PLUG_TEST */
157			MX8MM_IOMUXC_GPIO1_IO06_GPIO1_IO6	0x40000041 /* PCI_USBSEL */
158			MX8MM_IOMUXC_SAI1_RXD5_GPIO4_IO7	0x40000041 /* PCIE_WDIS# */
159			MX8MM_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x40000041 /* DIO0 */
160			MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9	0x40000041 /* DIO1 */
161			MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3	0x40000041 /* DIO2 */
162			MX8MM_IOMUXC_SAI1_RXD2_GPIO4_IO4	0x40000041 /* DIO2 */
163		>;
164	};
165
166	pinctrl_accel: accelgrp {
167		fsl,pins = <
168			MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5	0x159
169		>;
170	};
171
172	pinctrl_gpio_leds: gpioledgrp {
173		fsl,pins = <
174			MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5	0x19
175			MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x19
176		>;
177	};
178
179	pinctrl_i2c3: i2c3grp {
180		fsl,pins = <
181			MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL		0x400001c3
182			MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA		0x400001c3
183		>;
184	};
185
186	pinctrl_pcie0: pcie0grp {
187		fsl,pins = <
188			MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6	0x41
189		>;
190	};
191
192	pinctrl_pps: ppsgrp {
193		fsl,pins = <
194			MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x41
195		>;
196	};
197
198	pinctrl_spi2: spi2grp {
199		fsl,pins = <
200			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0xd6
201			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI	0xd6
202			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO	0xd6
203			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13	0xd6
204		>;
205	};
206
207	pinctrl_uart1: uart1grp {
208		fsl,pins = <
209			MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX	0x140
210			MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX	0x140
211		>;
212	};
213
214	pinctrl_uart3: uart3grp {
215		fsl,pins = <
216			MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX	0x140
217			MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX	0x140
218		>;
219	};
220
221	pinctrl_usbotg1: usbotg1grp {
222		fsl,pins = <
223			MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12	0x141
224			MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC	0x41
225		>;
226	};
227};
228