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	reg_usb_otg1_vbus: regulator-usb-otg1 {
52		pinctrl-names = "default";
53		pinctrl-0 = <&pinctrl_reg_usb1_en>;
54		compatible = "regulator-fixed";
55		regulator-name = "usb_otg1_vbus";
56		gpio = <&gpio1 10 GPIO_ACTIVE_HIGH>;
57		enable-active-high;
58		regulator-min-microvolt = <5000000>;
59		regulator-max-microvolt = <5000000>;
60	};
61};
62
63/* off-board header */
64&ecspi2 {
65	pinctrl-names = "default";
66	pinctrl-0 = <&pinctrl_spi2>;
67	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
68	status = "okay";
69};
70
71&gpio1 {
72	gpio-line-names = "", "", "", "", "", "", "pci_usb_sel", "dio0",
73		"", "dio1", "", "", "", "", "", "",
74		"", "", "", "", "", "", "", "",
75		"", "", "", "", "", "", "", "";
76};
77
78&gpio4 {
79	gpio-line-names = "", "", "", "dio2", "dio3", "", "", "pci_wdis#",
80		"", "", "", "", "", "", "", "",
81		"", "", "", "", "", "", "", "",
82		"", "", "", "", "", "", "", "";
83};
84
85&i2c2 {
86	clock-frequency = <400000>;
87	pinctrl-names = "default";
88	pinctrl-0 = <&pinctrl_i2c2>;
89	status = "okay";
90
91	accelerometer@19 {
92		pinctrl-names = "default";
93		pinctrl-0 = <&pinctrl_accel>;
94		compatible = "st,lis2de12";
95		reg = <0x19>;
96		st,drdy-int-pin = <1>;
97		interrupt-parent = <&gpio4>;
98		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
99		interrupt-names = "INT1";
100	};
101};
102
103/* off-board header */
104&i2c3 {
105	clock-frequency = <400000>;
106	pinctrl-names = "default";
107	pinctrl-0 = <&pinctrl_i2c3>;
108	status = "okay";
109};
110
111&pcie_phy {
112	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
113	fsl,clkreq-unsupported;
114	clocks = <&pcie0_refclk>;
115	clock-names = "ref";
116	status = "okay";
117};
118
119&pcie0 {
120	pinctrl-names = "default";
121	pinctrl-0 = <&pinctrl_pcie0>;
122	reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>;
123	clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,
124		 <&clk IMX8MM_CLK_PCIE1_AUX>;
125	assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
126			  <&clk IMX8MM_CLK_PCIE1_CTRL>;
127	assigned-clock-rates = <10000000>, <250000000>;
128	assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>,
129				 <&clk IMX8MM_SYS_PLL2_250M>;
130	status = "okay";
131};
132
133/* GPS */
134&uart1 {
135	pinctrl-names = "default";
136	pinctrl-0 = <&pinctrl_uart1>;
137	status = "okay";
138};
139
140/* off-board header */
141&uart3 {
142	pinctrl-names = "default";
143	pinctrl-0 = <&pinctrl_uart3>;
144	status = "okay";
145};
146
147&usbotg1 {
148	dr_mode = "otg";
149	over-current-active-low;
150	vbus-supply = <&reg_usb_otg1_vbus>;
151	status = "okay";
152};
153
154&usbotg2 {
155	dr_mode = "host";
156	disable-over-current;
157	status = "okay";
158};
159
160&iomuxc {
161	pinctrl-names = "default";
162	pinctrl-0 = <&pinctrl_hog>;
163
164	pinctrl_hog: hoggrp {
165		fsl,pins = <
166			MX8MM_IOMUXC_SPDIF_TX_GPIO5_IO3		0x40000041 /* PLUG_TEST */
167			MX8MM_IOMUXC_GPIO1_IO06_GPIO1_IO6	0x40000041 /* PCI_USBSEL */
168			MX8MM_IOMUXC_SAI1_RXD5_GPIO4_IO7	0x40000041 /* PCIE_WDIS# */
169			MX8MM_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x40000041 /* DIO0 */
170			MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9	0x40000041 /* DIO1 */
171			MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3	0x40000041 /* DIO2 */
172			MX8MM_IOMUXC_SAI1_RXD2_GPIO4_IO4	0x40000041 /* DIO2 */
173		>;
174	};
175
176	pinctrl_accel: accelgrp {
177		fsl,pins = <
178			MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5	0x159
179		>;
180	};
181
182	pinctrl_gpio_leds: gpioledgrp {
183		fsl,pins = <
184			MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5	0x19
185			MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4		0x19
186		>;
187	};
188
189	pinctrl_i2c3: i2c3grp {
190		fsl,pins = <
191			MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL		0x400001c3
192			MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA		0x400001c3
193		>;
194	};
195
196	pinctrl_pcie0: pcie0grp {
197		fsl,pins = <
198			MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6	0x41
199		>;
200	};
201
202	pinctrl_pps: ppsgrp {
203		fsl,pins = <
204			MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15	0x41
205		>;
206	};
207
208	pinctrl_reg_usb1_en: regusb1grp {
209		fsl,pins = <
210			MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x41
211			MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12	0x141
212			MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC	0x41
213		>;
214	};
215
216	pinctrl_spi2: spi2grp {
217		fsl,pins = <
218			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0xd6
219			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI	0xd6
220			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO	0xd6
221			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13	0xd6
222		>;
223	};
224
225	pinctrl_uart1: uart1grp {
226		fsl,pins = <
227			MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX	0x140
228			MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX	0x140
229		>;
230	};
231
232	pinctrl_uart3: uart3grp {
233		fsl,pins = <
234			MX8MM_IOMUXC_UART3_RXD_UART3_DCE_RX	0x140
235			MX8MM_IOMUXC_UART3_TXD_UART3_DCE_TX	0x140
236		>;
237	};
238};
239