1// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT) 2/* 3 * USB armory MkI device tree file 4 * https://inversepath.com/usbarmory 5 * 6 * Copyright (C) 2015, Inverse Path 7 * Andrej Rosano <andrej@inversepath.com> 8 */ 9 10/dts-v1/; 11#include "imx53.dtsi" 12 13/ { 14 model = "Inverse Path USB armory"; 15 compatible = "inversepath,imx53-usbarmory", "fsl,imx53"; 16}; 17 18/ { 19 chosen { 20 stdout-path = &uart1; 21 }; 22 23 memory@70000000 { 24 device_type = "memory"; 25 reg = <0x70000000 0x20000000>; 26 }; 27 28 leds { 29 compatible = "gpio-leds"; 30 pinctrl-names = "default"; 31 pinctrl-0 = <&pinctrl_led>; 32 33 led-user { 34 label = "LED"; 35 gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; 36 linux,default-trigger = "heartbeat"; 37 }; 38 }; 39}; 40 41/* 42 * Not every i.MX53 P/N supports clock > 800MHz. 43 * As USB armory does not mount a specific P/N set a safe clock upper limit. 44 */ 45&cpu0 { 46 operating-points = < 47 /* kHz */ 48 166666 850000 49 400000 900000 50 800000 1050000 51 >; 52}; 53 54&esdhc1 { 55 pinctrl-names = "default"; 56 pinctrl-0 = <&pinctrl_esdhc1>; 57 status = "okay"; 58}; 59 60&iomuxc { 61 pinctrl_esdhc1: esdhc1grp { 62 fsl,pins = < 63 MX53_PAD_SD1_DATA0__ESDHC1_DAT0 0x1d5 64 MX53_PAD_SD1_DATA1__ESDHC1_DAT1 0x1d5 65 MX53_PAD_SD1_DATA2__ESDHC1_DAT2 0x1d5 66 MX53_PAD_SD1_DATA3__ESDHC1_DAT3 0x1d5 67 MX53_PAD_SD1_CMD__ESDHC1_CMD 0x1d5 68 MX53_PAD_SD1_CLK__ESDHC1_CLK 0x1d5 69 >; 70 }; 71 72 pinctrl_i2c1_pmic: i2c1grp { 73 fsl,pins = < 74 MX53_PAD_EIM_D21__I2C1_SCL 0x80 75 MX53_PAD_EIM_D28__I2C1_SDA 0x80 76 >; 77 }; 78 79 pinctrl_led: ledgrp { 80 fsl,pins = < 81 MX53_PAD_DISP0_DAT6__GPIO4_27 0x1e4 82 >; 83 }; 84 85 /* 86 * UART mode pin header configuration 87 * 3 - GPIO5[26], pull-down 100K 88 * 4 - GPIO5[27], pull-down 100K 89 * 5 - TX, pull-up 100K 90 * 6 - RX, pull-up 100K 91 * 7 - GPIO5[30], pull-down 100K 92 */ 93 pinctrl_uart1: uart1grp { 94 fsl,pins = < 95 MX53_PAD_CSI0_DAT8__GPIO5_26 0xc0 96 MX53_PAD_CSI0_DAT9__GPIO5_27 0xc0 97 MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 0x1e4 98 MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 0x1e4 99 MX53_PAD_CSI0_DAT12__GPIO5_30 0xc0 100 >; 101 }; 102}; 103 104&i2c1 { 105 pinctrl-0 = <&pinctrl_i2c1_pmic>; 106 status = "okay"; 107 108 ltc3589: pmic@34 { 109 compatible = "lltc,ltc3589-2"; 110 reg = <0x34>; 111 112 regulators { 113 sw1_reg: sw1 { 114 regulator-min-microvolt = <591930>; 115 regulator-max-microvolt = <1224671>; 116 lltc,fb-voltage-divider = <100000 158000>; 117 regulator-ramp-delay = <7000>; 118 regulator-boot-on; 119 regulator-always-on; 120 }; 121 122 sw2_reg: sw2 { 123 regulator-min-microvolt = <704123>; 124 regulator-max-microvolt = <1456803>; 125 lltc,fb-voltage-divider = <180000 191000>; 126 regulator-ramp-delay = <7000>; 127 regulator-boot-on; 128 regulator-always-on; 129 }; 130 131 sw3_reg: sw3 { 132 regulator-min-microvolt = <1341250>; 133 regulator-max-microvolt = <2775000>; 134 lltc,fb-voltage-divider = <270000 100000>; 135 regulator-ramp-delay = <7000>; 136 regulator-boot-on; 137 regulator-always-on; 138 }; 139 140 bb_out_reg: bb-out { 141 regulator-min-microvolt = <3387341>; 142 regulator-max-microvolt = <3387341>; 143 lltc,fb-voltage-divider = <511000 158000>; 144 regulator-boot-on; 145 regulator-always-on; 146 }; 147 148 ldo1_reg: ldo1 { 149 regulator-min-microvolt = <1306329>; 150 regulator-max-microvolt = <1306329>; 151 lltc,fb-voltage-divider = <100000 158000>; 152 regulator-boot-on; 153 regulator-always-on; 154 }; 155 156 ldo2_reg: ldo2 { 157 regulator-min-microvolt = <704123>; 158 regulator-max-microvolt = <1456806>; 159 lltc,fb-voltage-divider = <180000 191000>; 160 regulator-ramp-delay = <7000>; 161 regulator-boot-on; 162 regulator-always-on; 163 }; 164 165 ldo3_reg: ldo3 { 166 regulator-min-microvolt = <2800000>; 167 regulator-max-microvolt = <2800000>; 168 regulator-boot-on; 169 }; 170 171 ldo4_reg: ldo4 { 172 regulator-min-microvolt = <1200000>; 173 regulator-max-microvolt = <3200000>; 174 }; 175 }; 176 }; 177}; 178 179&uart1 { 180 pinctrl-names = "default"; 181 pinctrl-0 = <&pinctrl_uart1>; 182 status = "okay"; 183}; 184 185&usbotg { 186 dr_mode = "peripheral"; 187 status = "okay"; 188}; 189