| Tom Rini | 93743d2 | 2024-04-01 09:08:13 -0400 | [diff] [blame^] | 1 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| 2 | /* |
| 3 | * Copyright 2022 DimOnOff |
| 4 | */ |
| 5 | |
| 6 | /dts-v1/; |
| 7 | |
| 8 | #include <dt-bindings/usb/pd.h> |
| 9 | #include "imx8mn-var-som-symphony.dts" |
| 10 | |
| 11 | / { |
| 12 | model = "DimOnOff Gateway EVK board"; |
| 13 | compatible = "dimonoff,gateway-evk", "variscite,var-som-mx8mn", |
| 14 | "fsl,imx8mn"; |
| 15 | |
| 16 | /* |
| 17 | * U30 FPF2193 regulator. |
| 18 | * Source = BASE_PER_3V3 = SOM_3V3 (COM pin 49). |
| 19 | */ |
| 20 | reg_disp_3v3: regulator-disp-3v3 { |
| 21 | compatible = "regulator-fixed"; |
| 22 | regulator-name = "Display 3V3"; |
| 23 | regulator-min-microvolt = <3300000>; |
| 24 | regulator-max-microvolt = <3300000>; |
| 25 | regulator-always-on; |
| 26 | regulator-boot-on; |
| 27 | }; |
| 28 | |
| 29 | gpio-keys { |
| 30 | compatible = "gpio-keys"; |
| 31 | pinctrl-names = "default"; |
| 32 | pinctrl-0 = <&pinctrl_gpio_keys>; |
| 33 | |
| 34 | key-enter { |
| 35 | label = "enter"; |
| 36 | gpios = <&gpio1 8 GPIO_ACTIVE_LOW>; |
| 37 | linux,code = <KEY_ENTER>; |
| 38 | wakeup-source; |
| 39 | }; |
| 40 | }; |
| 41 | |
| 42 | /* Bourns PEC12R rotary encoder, 24 steps. */ |
| 43 | rotary: rotary-encoder { |
| 44 | compatible = "rotary-encoder"; |
| 45 | pinctrl-names = "default"; |
| 46 | pinctrl-0 = <&pinctrl_rotary>; |
| 47 | gpios = <&gpio5 12 GPIO_ACTIVE_LOW>, /* A */ |
| 48 | <&gpio5 13 GPIO_ACTIVE_LOW>; /* B */ |
| 49 | linux,axis = <0>; /* REL_X */ |
| 50 | rotary-encoder,encoding = "gray"; |
| 51 | rotary-encoder,relative-axis; |
| 52 | }; |
| 53 | }; |
| 54 | |
| 55 | /* Disable Asynchronous Sample Rate Converter (audio) */ |
| 56 | &easrc { |
| 57 | status = "disabled"; |
| 58 | }; |
| 59 | |
| 60 | &ecspi1 { |
| 61 | /* Resistive touch controller */ |
| 62 | /delete-node/ touchscreen@0; |
| 63 | }; |
| 64 | |
| 65 | &gpu { |
| 66 | status = "disabled"; |
| 67 | }; |
| 68 | |
| 69 | &i2c2 { |
| 70 | adc@48 { |
| 71 | compatible = "ti,ads7924"; |
| 72 | reg = <0x48>; |
| 73 | pinctrl-names = "default"; |
| 74 | pinctrl-0 = <&pinctrl_adc>; |
| 75 | vref-supply = <®_disp_3v3>; |
| 76 | reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>; |
| 77 | #address-cells = <1>; |
| 78 | #size-cells = <0>; |
| 79 | |
| 80 | channel@0 { |
| 81 | reg = <0>; |
| 82 | label = "Pot0"; |
| 83 | }; |
| 84 | channel@1 { |
| 85 | reg = <1>; |
| 86 | label = "Pot1"; |
| 87 | }; |
| 88 | channel@2 { |
| 89 | reg = <2>; |
| 90 | label = "Pot2"; |
| 91 | }; |
| 92 | channel@3 { |
| 93 | reg = <3>; |
| 94 | label = "Pot3"; |
| 95 | }; |
| 96 | }; |
| 97 | |
| 98 | rtc@51 { |
| 99 | compatible = "nxp,pcf2129"; |
| 100 | reg = <0x51>; |
| 101 | reset-source; /* For watchdog. */ |
| 102 | }; |
| 103 | |
| 104 | rtc@53 { |
| 105 | compatible = "nxp,pcf2131"; |
| 106 | reg = <0x53>; |
| 107 | pinctrl-names = "default"; |
| 108 | pinctrl-0 = <&pinctrl_rtc>; |
| 109 | reset-source; /* For watchdog. */ |
| 110 | interrupt-parent = <&gpio5>; |
| 111 | interrupts = <10 IRQ_TYPE_EDGE_FALLING>; /* J17.6 on EVK */ |
| 112 | }; |
| 113 | }; |
| 114 | |
| 115 | &i2c3 { |
| 116 | touchscreen@38 { |
| 117 | status = "disabled"; |
| 118 | }; |
| 119 | |
| 120 | codec@1a { |
| 121 | status = "disabled"; |
| 122 | }; |
| 123 | |
| 124 | /* DS1337 RTC module */ |
| 125 | rtc@68 { |
| 126 | status = "disabled"; |
| 127 | }; |
| 128 | }; |
| 129 | |
| 130 | &sai5 { |
| 131 | status = "disabled"; |
| 132 | }; |
| 133 | |
| 134 | &iomuxc { |
| 135 | pinctrl_gpio_keys: gpiokeysgrp { |
| 136 | fsl,pins = < |
| 137 | MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0xc6 |
| 138 | >; |
| 139 | }; |
| 140 | |
| 141 | pinctrl_rotary: rotarygrp { |
| 142 | fsl,pins = < |
| 143 | MX8MN_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x00000156 |
| 144 | MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x00000156 |
| 145 | >; |
| 146 | }; |
| 147 | |
| 148 | pinctrl_adc: adcgrp { |
| 149 | fsl,pins = < |
| 150 | MX8MN_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x00000156 |
| 151 | >; |
| 152 | }; |
| 153 | |
| 154 | pinctrl_rtc: rtcgrp { |
| 155 | fsl,pins = < |
| 156 | MX8MN_IOMUXC_ECSPI2_SCLK_GPIO5_IO10 0x00000156 |
| 157 | MX8MN_IOMUXC_ECSPI2_MOSI_GPIO5_IO11 0x00000156 |
| 158 | >; |
| 159 | }; |
| 160 | }; |