1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright 2018 Boundary Devices
4 * Copyright 2021 Lucas Stach <dev@lynxeye.de>
5 */
6
7 #include "imx8mq.dtsi"
8
9 / {
10 model = "Boundary Devices i.MX8MQ Nitrogen8M";
11 compatible = "boundary,imx8mq-nitrogen8m-som", "fsl,imx8mq";
12
13 chosen {
14 stdout-path = &uart1;
15 };
16
17 reg_1p8v: regulator-fixed-1v8 {
18 compatible = "regulator-fixed";
19 regulator-name = "1P8V";
20 regulator-min-microvolt = <1800000>;
21 regulator-max-microvolt = <1800000>;
22 };
23
24 reg_snvs: regulator-fixed-snvs {
25 compatible = "regulator-fixed";
26 regulator-name = "VDD_SNVS";
27 regulator-min-microvolt = <3300000>;
28 regulator-max-microvolt = <3300000>;
29 };
30 };
31
32 &{/opp-table/opp-800000000} {
33 opp-microvolt = <1000000>;
34 };
35
36 &{/opp-table/opp-1000000000} {
37 opp-microvolt = <1000000>;
38 };
39
40 &A53_0 {
41 cpu-supply = <®_arm_dram>;
42 };
43
44 &A53_1 {
45 cpu-supply = <®_arm_dram>;
46 };
47
48 &A53_2 {
49 cpu-supply = <®_arm_dram>;
50 };
51
52 &A53_3 {
53 cpu-supply = <®_arm_dram>;
54 };
55
56 &fec1 {
57 pinctrl-names = "default";
58 pinctrl-0 = <&pinctrl_fec1>;
59 phy-mode = "rgmii-id";
60 phy-handle = <ðphy0>;
61 fsl,magic-packet;
62
63 mdio {
64 #address-cells = <1>;
65 #size-cells = <0>;
66
67 ethphy0: ethernet-phy@4 {
68 compatible = "ethernet-phy-ieee802.3-c22";
69 reg = <4>;
70 interrupt-parent = <&gpio1>;
71 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
72 reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
73 reset-assert-us = <10000>;
74 reset-deassert-us = <300>;
75 };
76 };
77 };
78
79 &i2c1 {
80 clock-frequency = <400000>;
81 pinctrl-names = "default";
82 pinctrl-0 = <&pinctrl_i2c1>;
83 status = "okay";
84
85 i2c-mux@70 {
86 compatible = "nxp,pca9546";
87 pinctrl-names = "default";
88 pinctrl-0 = <&pinctrl_i2c1_pca9546>;
89 reg = <0x70>;
90 reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
91 #address-cells = <1>;
92 #size-cells = <0>;
93
94 i2c1a: i2c@0 {
95 reg = <0>;
96 #address-cells = <1>;
97 #size-cells = <0>;
98
99 reg_arm_dram: regulator@60 {
100 compatible = "fcs,fan53555";
101 reg = <0x60>;
102 regulator-name = "VDD_ARM_DRAM_1V";
103 regulator-min-microvolt = <1000000>;
104 regulator-max-microvolt = <1000000>;
105 regulator-always-on;
106 };
107 };
108
109 i2c1b: i2c@1 {
110 reg = <1>;
111 #address-cells = <1>;
112 #size-cells = <0>;
113
114 reg_dram_1p1v: regulator@60 {
115 compatible = "fcs,fan53555";
116 reg = <0x60>;
117 regulator-name = "NVCC_DRAM_1P1V";
118 regulator-min-microvolt = <1100000>;
119 regulator-max-microvolt = <1100000>;
120 regulator-always-on;
121 };
122 };
123
124 i2c1c: i2c@2 {
125 reg = <2>;
126 #address-cells = <1>;
127 #size-cells = <0>;
128
129 reg_soc_gpu_vpu: regulator@60 {
130 compatible = "fcs,fan53555";
131 reg = <0x60>;
132 regulator-name = "VDD_SOC_GPU_VPU";
133 regulator-min-microvolt = <900000>;
134 regulator-max-microvolt = <900000>;
135 regulator-always-on;
136 };
137 };
138
139 i2c1d: i2c@3 {
140 reg = <3>;
141 #address-cells = <1>;
142 #size-cells = <0>;
143 };
144 };
145 };
146
147 &pgc_gpu {
148 power-supply = <®_soc_gpu_vpu>;
149 };
150
151 &pgc_vpu {
152 power-supply = <®_soc_gpu_vpu>;
153 };
154
155 &uart1 {
156 pinctrl-names = "default";
157 pinctrl-0 = <&pinctrl_uart1>;
158 status = "okay";
159 };
160
161 &usdhc1 {
162 assigned-clocks = <&clk IMX8MQ_CLK_USDHC1>;
163 assigned-clock-rates = <400000000>;
164 pinctrl-names = "default", "state_100mhz", "state_200mhz";
165 pinctrl-0 = <&pinctrl_usdhc1>;
166 pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
167 pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
168 vqmmc-supply = <®_1p8v>;
169 vmmc-supply = <®_snvs>;
170 bus-width = <8>;
171 non-removable;
172 no-mmc-hs400;
173 no-sdio;
174 no-sd;
175 status = "okay";
176 };
177
178 &wdog1 {
179 pinctrl-names = "default";
180 pinctrl-0 = <&pinctrl_wdog>;
181 fsl,ext-reset-output;
182 status = "okay";
183 };
184
185 &iomuxc {
186 pinctrl_fec1: fec1grp {
187 fsl,pins = <
188 MX8MQ_IOMUXC_ENET_MDC_ENET1_MDC 0x3
189 MX8MQ_IOMUXC_ENET_MDIO_ENET1_MDIO 0x23
190 MX8MQ_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
191 MX8MQ_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f
192 MX8MQ_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
193 MX8MQ_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
194 MX8MQ_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
195 MX8MQ_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
196 MX8MQ_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
197 MX8MQ_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0xd1
198 MX8MQ_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
199 MX8MQ_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
200 MX8MQ_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
201 MX8MQ_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0xd1
202 MX8MQ_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x1
203 MX8MQ_IOMUXC_GPIO1_IO11_GPIO1_IO11 0x41
204 >;
205 };
206
207 pinctrl_i2c1: i2c1grp {
208 fsl,pins = <
209 MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x40000022
210 MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA 0x40000022
211 >;
212 };
213
214 pinctrl_i2c1_pca9546: i2c1-pca9546grp {
215 fsl,pins = <
216 MX8MQ_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x49
217 >;
218 };
219
220 pinctrl_uart1: uart1grp {
221 fsl,pins = <
222 MX8MQ_IOMUXC_UART1_RXD_UART1_DCE_RX 0x45
223 MX8MQ_IOMUXC_UART1_TXD_UART1_DCE_TX 0x45
224 >;
225 };
226
227 pinctrl_usdhc1: usdhc1grp {
228 fsl,pins = <
229 MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x83
230 MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xc3
231 MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xc3
232 MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xc3
233 MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xc3
234 MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xc3
235 MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xc3
236 MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xc3
237 MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xc3
238 MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xc3
239 MX8MQ_IOMUXC_SD1_RESET_B_USDHC1_RESET_B 0xc1
240 >;
241 };
242
243 pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
244 fsl,pins = <
245 MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x8d
246 MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xcd
247 MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xcd
248 MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xcd
249 MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xcd
250 MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xcd
251 MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xcd
252 MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xcd
253 MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xcd
254 MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xcd
255 >;
256 };
257
258 pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
259 fsl,pins = <
260 MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK 0x9f
261 MX8MQ_IOMUXC_SD1_CMD_USDHC1_CMD 0xdf
262 MX8MQ_IOMUXC_SD1_DATA0_USDHC1_DATA0 0xdf
263 MX8MQ_IOMUXC_SD1_DATA1_USDHC1_DATA1 0xdf
264 MX8MQ_IOMUXC_SD1_DATA2_USDHC1_DATA2 0xdf
265 MX8MQ_IOMUXC_SD1_DATA3_USDHC1_DATA3 0xdf
266 MX8MQ_IOMUXC_SD1_DATA4_USDHC1_DATA4 0xdf
267 MX8MQ_IOMUXC_SD1_DATA5_USDHC1_DATA5 0xdf
268 MX8MQ_IOMUXC_SD1_DATA6_USDHC1_DATA6 0xdf
269 MX8MQ_IOMUXC_SD1_DATA7_USDHC1_DATA7 0xdf
270 >;
271 };
272
273 pinctrl_wdog: wdoggrp {
274 fsl,pins = <
275 MX8MQ_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
276 >;
277 };
278 };
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