1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (C) 2022 Marek Vasut <marex@denx.de>
4 *
5 * DHCOM iMX8MP variant:
6 * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
7 * DHCOM PCB number: 660-100 or newer
8 * PDK2 PCB number: 516-400 or newer
9 */
10
11 /dts-v1/;
12
13 #include <dt-bindings/leds/common.h>
14 #include <dt-bindings/phy/phy-imx8-pcie.h>
15 #include "imx8mp-dhcom-som.dtsi"
16
17 / {
18 model = "DH electronics i.MX8M Plus DHCOM Premium Developer Kit (2)";
19 compatible = "dh,imx8mp-dhcom-pdk2", "dh,imx8mp-dhcom-som",
20 "fsl,imx8mp";
21
22 chosen {
23 stdout-path = &uart1;
24 };
25
26 clk_ext_audio_codec: clock-codec {
27 compatible = "fixed-clock";
28 #clock-cells = <0>;
29 clock-frequency = <24000000>;
30 };
31
32 gpio-keys {
33 compatible = "gpio-keys";
34
35 button-0 {
36 gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; /* GPIO A */
37 label = "TA1-GPIO-A";
38 linux,code = <KEY_A>;
39 pinctrl-0 = <&pinctrl_dhcom_a>;
40 pinctrl-names = "default";
41 wakeup-source;
42 };
43
44 button-1 {
45 gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; /* GPIO B */
46 label = "TA2-GPIO-B";
47 linux,code = <KEY_B>;
48 pinctrl-0 = <&pinctrl_dhcom_b>;
49 pinctrl-names = "default";
50 wakeup-source;
51 };
52
53 button-2 {
54 gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; /* GPIO C */
55 label = "TA3-GPIO-C";
56 linux,code = <KEY_C>;
57 pinctrl-0 = <&pinctrl_dhcom_c>;
58 pinctrl-names = "default";
59 wakeup-source;
60 };
61
62 button-3 {
63 gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* GPIO D */
64 label = "TA4-GPIO-D";
65 linux,code = <KEY_D>;
66 pinctrl-0 = <&pinctrl_dhcom_d>;
67 pinctrl-names = "default";
68 wakeup-source;
69 };
70 };
71
72 hdmi-connector {
73 compatible = "hdmi-connector";
74 label = "X38";
75 type = "a";
76
77 port {
78 hdmi_connector_in: endpoint {
79 remote-endpoint = <&hdmi_tx_out>;
80 };
81 };
82 };
83
84 led {
85 compatible = "gpio-leds";
86
87 led-0 {
88 color = <LED_COLOR_ID_GREEN>;
89 default-state = "off";
90 function = LED_FUNCTION_INDICATOR;
91 gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>; /* GPIO E */
92 pinctrl-0 = <&pinctrl_dhcom_e>;
93 pinctrl-names = "default";
94 };
95
96 led-1 {
97 color = <LED_COLOR_ID_GREEN>;
98 default-state = "off";
99 function = LED_FUNCTION_INDICATOR;
100 gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>; /* GPIO F */
101 pinctrl-0 = <&pinctrl_dhcom_f>;
102 pinctrl-names = "default";
103 };
104
105 led-2 {
106 color = <LED_COLOR_ID_GREEN>;
107 default-state = "off";
108 function = LED_FUNCTION_INDICATOR;
109 gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>; /* GPIO H */
110 pinctrl-0 = <&pinctrl_dhcom_h>;
111 pinctrl-names = "default";
112 };
113
114 led-3 {
115 color = <LED_COLOR_ID_GREEN>;
116 default-state = "off";
117 function = LED_FUNCTION_INDICATOR;
118 gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>; /* GPIO I */
119 pinctrl-0 = <&pinctrl_dhcom_i>;
120 pinctrl-names = "default";
121 };
122 };
123
124 reg_3p3vdd: regulator-3p3vdd { /* 3.3VDD */
125 compatible = "regulator-fixed";
126 regulator-always-on;
127 regulator-min-microvolt = <3300000>;
128 regulator-max-microvolt = <3300000>;
129 regulator-name = "3P3VDD";
130 };
131
132 sound {
133 compatible = "simple-audio-card";
134 simple-audio-card,name = "SGTL5000-Card";
135 simple-audio-card,format = "i2s";
136 simple-audio-card,bitclock-master = <&codec_dai>;
137 simple-audio-card,frame-master = <&codec_dai>;
138 simple-audio-card,widgets = "Headphone", "Headphone Jack";
139 simple-audio-card,routing = "Headphone Jack", "HP_OUT";
140
141 cpu_dai: simple-audio-card,cpu {
142 sound-dai = <&sai3>;
143 };
144
145 codec_dai: simple-audio-card,codec {
146 sound-dai = <&sgtl5000>;
147 };
148 };
149 };
150
151 &i2c5 {
152 sgtl5000: codec@a {
153 compatible = "fsl,sgtl5000";
154 reg = <0x0a>;
155 #sound-dai-cells = <0>;
156 clocks = <&clk_ext_audio_codec>;
157 VDDA-supply = <®_3p3vdd>;
158 VDDIO-supply = <®_vdd_3p3v_awo>;
159 };
160 };
161
162 &fec { /* Second ethernet */
163 pinctrl-0 = <&pinctrl_fec_rgmii>;
164 phy-handle = <ðphypdk>;
165 phy-mode = "rgmii";
166
167 mdio {
168 ethphypdk: ethernet-phy@7 { /* KSZ 9021 */
169 compatible = "ethernet-phy-ieee802.3-c22";
170 pinctrl-0 = <&pinctrl_ethphy1>;
171 pinctrl-names = "default";
172 interrupt-parent = <&gpio4>;
173 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
174 max-speed = <100>;
175 reg = <7>;
176 reset-assert-us = <1000>;
177 reset-deassert-us = <1000>;
178 reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
179 rxc-skew-ps = <3000>;
180 rxd0-skew-ps = <0>;
181 rxd1-skew-ps = <0>;
182 rxd2-skew-ps = <0>;
183 rxd3-skew-ps = <0>;
184 rxdv-skew-ps = <0>;
185 txc-skew-ps = <3000>;
186 txd0-skew-ps = <0>;
187 txd1-skew-ps = <0>;
188 txd2-skew-ps = <0>;
189 txd3-skew-ps = <0>;
190 txen-skew-ps = <0>;
191 };
192 };
193 };
194
195 &flexcan1 {
196 status = "okay";
197 };
198
199 &hdmi_pvi {
200 status = "okay";
201 };
202
203 &hdmi_tx {
204 ddc-i2c-bus = <&i2c5>;
205 pinctrl-names = "default";
206 pinctrl-0 = <&pinctrl_hdmi>;
207 status = "okay";
208
209 ports {
210 port@1 {
211 hdmi_tx_out: endpoint {
212 remote-endpoint = <&hdmi_connector_in>;
213 };
214 };
215 };
216 };
217
218 &hdmi_tx_phy {
219 status = "okay";
220 };
221
222 &lcdif3 {
223 status = "okay";
224 };
225
226 &pcie_phy {
227 clock-names = "ref";
228 clocks = <&hsio_blk_ctrl>;
229 fsl,clkreq-unsupported;
230 fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_OUTPUT>;
231 status = "okay";
232 };
233
234 &pcie {
235 fsl,max-link-speed = <1>;
236 reset-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>; /* GPIO J */
237 status = "okay";
238 };
239
240 &sai3 {
241 #sound-dai-cells = <0>;
242 pinctrl-names = "default";
243 pinctrl-0 = <&pinctrl_sai3>;
244 assigned-clocks = <&clk IMX8MP_CLK_SAI3>;
245 assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
246 assigned-clock-rates = <12288000>;
247 fsl,sai-mclk-direction-output;
248 status = "okay";
249 };
250
251 &usb3_1 {
252 fsl,over-current-active-low;
253 };
254
255 &iomuxc {
256 /*
257 * GPIO_A,B,C,D are connected to buttons.
258 * GPIO_E,F,H,I are connected to LEDs.
259 * GPIO_M is connected to CLKOUT1.
260 */
261 pinctrl-0 = <&pinctrl_hog_base
262 &pinctrl_dhcom_g &pinctrl_dhcom_j
263 &pinctrl_dhcom_k &pinctrl_dhcom_l
264 &pinctrl_dhcom_int>;
265 };
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