1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3 * Copyright 2020 Compass Electronics Group, LLC
4 */
5
6 /dts-v1/;
7
8 #include "imx8mn.dtsi"
9 #include "imx8mn-beacon-som.dtsi"
10 #include "imx8mn-beacon-baseboard.dtsi"
11
12 / {
13 model = "Beacon EmbeddedWorks i.MX8M Nano Development Kit";
14 compatible = "beacon,imx8mn-beacon-kit", "fsl,imx8mn";
15
16 chosen {
17 stdout-path = &uart2;
18 };
19
20 connector {
21 compatible = "hdmi-connector";
22 type = "a";
23
24 port {
25 hdmi_connector_in: endpoint {
26 remote-endpoint = <&adv7535_out>;
27 };
28 };
29 };
30
31 reg_hdmi: regulator-hdmi-dvdd {
32 compatible = "regulator-fixed";
33 pinctrl-names = "default";
34 pinctrl-0 = <&pinctrl_reg_hdmi>;
35 regulator-name = "hdmi_pwr_en";
36 regulator-min-microvolt = <3300000>;
37 regulator-max-microvolt = <3300000>;
38 gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>;
39 enable-active-high;
40 startup-delay-us = <70000>;
41 regulator-always-on;
42 };
43
44 sound-hdmi {
45 compatible = "simple-audio-card";
46 simple-audio-card,name = "sound-hdmi";
47 simple-audio-card,format = "i2s";
48
49 simple-audio-card,cpu {
50 sound-dai = <&sai5>;
51 system-clock-direction-out;
52 };
53
54 simple-audio-card,codec {
55 sound-dai = <&adv_bridge>;
56 };
57 };
58 };
59
60 &i2c2 {
61 adv_bridge: hdmi@3d {
62 compatible = "adi,adv7535";
63 pinctrl-names = "default";
64 pinctrl-0 = <&pinctrl_hdmi_bridge>;
65 reg = <0x3d>, <0x3e>, <0x3c>, <0x3f>;
66 reg-names = "main", "edid", "cec", "packet";
67 adi,dsi-lanes = <4>;
68 avdd-supply = <®_hdmi>;
69 a2vdd-supply = <®_hdmi>;
70 dvdd-supply = <®_hdmi>;
71 pvdd-supply = <®_hdmi>;
72 v1p2-supply = <®_hdmi>;
73 v3p3-supply = <®_hdmi>;
74 interrupt-parent = <&gpio1>;
75 interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
76 #sound-dai-cells = <0>;
77
78 ports {
79 #address-cells = <1>;
80 #size-cells = <0>;
81
82 port@0 {
83 reg = <0>;
84
85 adv7535_in: endpoint {
86 remote-endpoint = <&dsi_out>;
87 };
88 };
89
90 port@1 {
91 reg = <1>;
92
93 adv7535_out: endpoint {
94 remote-endpoint = <&hdmi_connector_in>;
95 };
96 };
97 };
98 };
99 };
100
101 &lcdif {
102 status = "okay";
103 };
104
105 &mipi_dsi {
106 samsung,esc-clock-frequency = <20000000>;
107 status = "okay";
108
109 ports {
110 port@1 {
111 reg = <1>;
112
113 dsi_out: endpoint {
114 remote-endpoint = <&adv7535_in>;
115 };
116 };
117 };
118 };
119
120 &sai5 {
121 pinctrl-names = "default";
122 pinctrl-0 = <&pinctrl_sai5>;
123 assigned-clocks = <&clk IMX8MN_CLK_SAI5>;
124 assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
125 assigned-clock-rates = <24576000>;
126 #sound-dai-cells = <0>;
127 status = "okay";
128 };
129
130 &iomuxc {
131 pinctrl_hdmi_bridge: hdmibridgegrp {
132 fsl,pins = <
133 MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19
134 >;
135 };
136
137 pinctrl_reg_hdmi: reghdmigrp {
138 fsl,pins = <
139 MX8MN_IOMUXC_SD1_STROBE_GPIO2_IO11 0x16
140 >;
141 };
142
143 pinctrl_sai5: sai5grp {
144 fsl,pins = <
145 MX8MN_IOMUXC_SAI5_RXD3_SAI5_TX_DATA0 0xd6
146 MX8MN_IOMUXC_SAI5_RXD2_SAI5_TX_BCLK 0xd6
147 MX8MN_IOMUXC_SAI5_RXD1_SAI5_TX_SYNC 0xd6
148 >;
149 };
150 };
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