1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /* 2 /*
3 * Copyright 2022 DimOnOff 3 * Copyright 2022 DimOnOff
4 */ 4 */
5 5
6 /dts-v1/; 6 /dts-v1/;
7 7
8 #include <dt-bindings/usb/pd.h> 8 #include <dt-bindings/usb/pd.h>
9 #include "imx8mn-var-som-symphony.dts" 9 #include "imx8mn-var-som-symphony.dts"
10 10
11 / { 11 / {
12 model = "DimOnOff Gateway EVK board"; 12 model = "DimOnOff Gateway EVK board";
13 compatible = "dimonoff,gateway-evk", " 13 compatible = "dimonoff,gateway-evk", "variscite,var-som-mx8mn",
14 "fsl,imx8mn"; 14 "fsl,imx8mn";
15 15
16 /* 16 /*
17 * U30 FPF2193 regulator. 17 * U30 FPF2193 regulator.
18 * Source = BASE_PER_3V3 = SOM_3V3 (CO 18 * Source = BASE_PER_3V3 = SOM_3V3 (COM pin 49).
19 */ 19 */
20 reg_disp_3v3: regulator-disp-3v3 { 20 reg_disp_3v3: regulator-disp-3v3 {
21 compatible = "regulator-fixed" 21 compatible = "regulator-fixed";
22 regulator-name = "Display 3V3" 22 regulator-name = "Display 3V3";
23 regulator-min-microvolt = <330 23 regulator-min-microvolt = <3300000>;
24 regulator-max-microvolt = <330 24 regulator-max-microvolt = <3300000>;
25 regulator-always-on; 25 regulator-always-on;
26 regulator-boot-on; 26 regulator-boot-on;
27 }; 27 };
28 28
29 gpio-keys { 29 gpio-keys {
30 compatible = "gpio-keys"; 30 compatible = "gpio-keys";
31 pinctrl-names = "default"; 31 pinctrl-names = "default";
32 pinctrl-0 = <&pinctrl_gpio_key 32 pinctrl-0 = <&pinctrl_gpio_keys>;
33 33
34 key-enter { 34 key-enter {
35 label = "enter"; 35 label = "enter";
36 gpios = <&gpio1 8 GPIO 36 gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
37 linux,code = <KEY_ENTE 37 linux,code = <KEY_ENTER>;
38 wakeup-source; 38 wakeup-source;
39 }; 39 };
40 }; 40 };
41 41
42 /* Bourns PEC12R rotary encoder, 24 st 42 /* Bourns PEC12R rotary encoder, 24 steps. */
43 rotary: rotary-encoder { 43 rotary: rotary-encoder {
44 compatible = "rotary-encoder"; 44 compatible = "rotary-encoder";
45 pinctrl-names = "default"; 45 pinctrl-names = "default";
46 pinctrl-0 = <&pinctrl_rotary>; 46 pinctrl-0 = <&pinctrl_rotary>;
47 gpios = <&gpio5 12 GPIO_ACTIVE 47 gpios = <&gpio5 12 GPIO_ACTIVE_LOW>, /* A */
48 <&gpio5 13 GPIO_ACTIVE 48 <&gpio5 13 GPIO_ACTIVE_LOW>; /* B */
49 linux,axis = <0>; /* REL_X */ 49 linux,axis = <0>; /* REL_X */
50 rotary-encoder,encoding = "gra 50 rotary-encoder,encoding = "gray";
51 rotary-encoder,relative-axis; 51 rotary-encoder,relative-axis;
52 }; 52 };
53 }; 53 };
54 54
55 /* Disable Asynchronous Sample Rate Converter 55 /* Disable Asynchronous Sample Rate Converter (audio) */
56 &easrc { 56 &easrc {
57 status = "disabled"; 57 status = "disabled";
58 }; 58 };
59 59
60 &ecspi1 { 60 &ecspi1 {
61 /* Resistive touch controller */ 61 /* Resistive touch controller */
62 /delete-node/ touchscreen@0; 62 /delete-node/ touchscreen@0;
63 }; 63 };
64 64
65 &gpu { 65 &gpu {
66 status = "disabled"; 66 status = "disabled";
67 }; 67 };
68 68
69 &i2c2 { 69 &i2c2 {
70 adc@48 { 70 adc@48 {
71 compatible = "ti,ads7924"; 71 compatible = "ti,ads7924";
72 reg = <0x48>; 72 reg = <0x48>;
73 pinctrl-names = "default"; 73 pinctrl-names = "default";
74 pinctrl-0 = <&pinctrl_adc>; 74 pinctrl-0 = <&pinctrl_adc>;
75 vref-supply = <®_disp_3v3>; 75 vref-supply = <®_disp_3v3>;
76 reset-gpios = <&gpio5 5 GPIO_A 76 reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
77 #address-cells = <1>; 77 #address-cells = <1>;
78 #size-cells = <0>; 78 #size-cells = <0>;
79 79
80 channel@0 { 80 channel@0 {
81 reg = <0>; 81 reg = <0>;
82 label = "Pot0"; 82 label = "Pot0";
83 }; 83 };
84 channel@1 { 84 channel@1 {
85 reg = <1>; 85 reg = <1>;
86 label = "Pot1"; 86 label = "Pot1";
87 }; 87 };
88 channel@2 { 88 channel@2 {
89 reg = <2>; 89 reg = <2>;
90 label = "Pot2"; 90 label = "Pot2";
91 }; 91 };
92 channel@3 { 92 channel@3 {
93 reg = <3>; 93 reg = <3>;
94 label = "Pot3"; 94 label = "Pot3";
95 }; 95 };
96 }; 96 };
97 97
98 rtc@51 { 98 rtc@51 {
99 compatible = "nxp,pcf2129"; 99 compatible = "nxp,pcf2129";
100 reg = <0x51>; 100 reg = <0x51>;
101 reset-source; /* For watchdog. 101 reset-source; /* For watchdog. */
102 }; 102 };
103 103
104 rtc@53 { 104 rtc@53 {
105 compatible = "nxp,pcf2131"; 105 compatible = "nxp,pcf2131";
106 reg = <0x53>; 106 reg = <0x53>;
107 pinctrl-names = "default"; 107 pinctrl-names = "default";
108 pinctrl-0 = <&pinctrl_rtc>; 108 pinctrl-0 = <&pinctrl_rtc>;
109 reset-source; /* For watchdog. 109 reset-source; /* For watchdog. */
110 interrupt-parent = <&gpio5>; 110 interrupt-parent = <&gpio5>;
111 interrupts = <10 IRQ_TYPE_EDGE 111 interrupts = <10 IRQ_TYPE_EDGE_FALLING>; /* J17.6 on EVK */
112 }; 112 };
113 }; 113 };
114 114
115 &i2c3 { 115 &i2c3 {
116 touchscreen@38 { 116 touchscreen@38 {
117 status = "disabled"; 117 status = "disabled";
118 }; 118 };
119 119
120 codec@1a { 120 codec@1a {
121 status = "disabled"; 121 status = "disabled";
122 }; 122 };
123 123
124 /* DS1337 RTC module */ 124 /* DS1337 RTC module */
125 rtc@68 { 125 rtc@68 {
126 status = "disabled"; 126 status = "disabled";
127 }; 127 };
128 }; 128 };
129 129
130 &sai5 { 130 &sai5 {
131 status = "disabled"; 131 status = "disabled";
132 }; 132 };
133 133
134 &iomuxc { 134 &iomuxc {
135 pinctrl_gpio_keys: gpiokeysgrp { 135 pinctrl_gpio_keys: gpiokeysgrp {
136 fsl,pins = < 136 fsl,pins = <
137 MX8MN_IOMUXC_GPIO1_IO0 137 MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0xc6
138 >; 138 >;
139 }; 139 };
140 140
141 pinctrl_rotary: rotarygrp { 141 pinctrl_rotary: rotarygrp {
142 fsl,pins = < 142 fsl,pins = <
143 MX8MN_IOMUXC_ECSPI2_MI 143 MX8MN_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x00000156
144 MX8MN_IOMUXC_ECSPI2_SS 144 MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x00000156
145 >; 145 >;
146 }; 146 };
147 147
148 pinctrl_adc: adcgrp { 148 pinctrl_adc: adcgrp {
149 fsl,pins = < 149 fsl,pins = <
150 MX8MN_IOMUXC_SPDIF_EXT 150 MX8MN_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x00000156
151 >; 151 >;
152 }; 152 };
153 153
154 pinctrl_rtc: rtcgrp { 154 pinctrl_rtc: rtcgrp {
155 fsl,pins = < 155 fsl,pins = <
156 MX8MN_IOMUXC_ECSPI2_SC 156 MX8MN_IOMUXC_ECSPI2_SCLK_GPIO5_IO10 0x00000156
157 MX8MN_IOMUXC_ECSPI2_MO 157 MX8MN_IOMUXC_ECSPI2_MOSI_GPIO5_IO11 0x00000156
158 >; 158 >;
159 }; 159 };
160 }; 160 };
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