Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/imx7d-flex-concentrator.dts
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1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Device Tree Source for Kamstrup OMNIA Flex Concentrator. 4 * 5 * Copyright (C) 2020 Kamstrup A/S 6 * Author: Bruno Thomsen <bruno.thomsen@gmail.com> 7 */ 8 9 /dts-v1/; 10 11 #include "imx7d-tqma7.dtsi" 12 13 /* One I2C device on TQMa7 SoM is not mounted */ 14 /delete-node/ &ds1339; 15 16 / { 17 model = "Kamstrup OMNIA Flex Concentrator"; 18 compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d"; 19 20 memory@80000000 { 21 device_type = "memory"; 22 /* 1024 MB - TQMa7D board configuration */ 23 reg = <0x80000000 0x40000000>; 24 }; 25 26 reg_usb_otg2_vbus: regulator-usb-otg2-vbus { 27 compatible = "regulator-fixed"; 28 regulator-name = "VBUS_USBOTG2"; 29 regulator-min-microvolt = <5000000>; 30 regulator-max-microvolt = <5000000>; 31 gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>; 32 enable-active-high; 33 }; 34 35 reg_vref_1v8: regulator-vref-1v8 { 36 compatible = "regulator-fixed"; 37 regulator-name = "VCC1V8_REF"; 38 regulator-min-microvolt = <1800000>; 39 regulator-max-microvolt = <1800000>; 40 regulator-always-on; 41 vin-supply = <&sw2_reg>; 42 }; 43 44 /* 45 * Human Machine Interface consists of 4 dual red/green LEDs. 46 * hmi-a:green is controlled directly by the switch-mode power supply. 47 * hmi-a:red is not used. 48 */ 49 gpio-leds { 50 compatible = "gpio-leds"; 51 pinctrl-names = "default"; 52 pinctrl-0 = <&pinctrl_leds>; 53 54 led-0 { 55 label = "hmi-b:red:heartbeat-degraded"; 56 gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>; 57 }; 58 59 led-1 { 60 label = "hmi-b:green:heartbeat-running"; 61 gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>; 62 linux,default-trigger = "heartbeat"; 63 }; 64 65 led-2 { 66 label = "hmi-c:red:mesh-error"; 67 gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; 68 }; 69 70 led-3 { 71 label = "hmi-c:green:mesh-activity"; 72 gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>; 73 }; 74 75 led-4 { 76 label = "hmi-d:red:omnia-error"; 77 gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>; 78 }; 79 80 led-5 { 81 label = "hmi-d:green:omnia-activity"; 82 gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; 83 }; 84 }; 85 86 /* 87 * Errata e10574 board restart workaround. 88 */ 89 gpio-restart { 90 pinctrl-names = "default"; 91 pinctrl-0 = <&pinctrl_restart>; 92 compatible = "gpio-restart"; 93 gpios = <&gpio7 12 GPIO_ACTIVE_LOW>; 94 priority = <200>; 95 }; 96 }; 97 98 /* 99 * Analog signals 100 * ADC1_IN0: SMPS - 5V output monitor (voltage divider: 1/0.2806) 101 */ 102 &adc1 { 103 vref-supply = <®_vref_1v8>; 104 status = "okay"; 105 }; 106 107 &ecspi2 { 108 pinctrl-names = "default"; 109 pinctrl-0 = <&pinctrl_ecspi2>; 110 num-chipselects = <1>; 111 cs-gpios = <&gpio4 23 GPIO_ACTIVE_LOW>; 112 status = "okay"; 113 114 pcf2127: rtc@0 { 115 compatible = "nxp,pcf2127"; 116 reg = <0>; 117 spi-max-frequency = <2000000>; 118 reset-source; 119 }; 120 }; 121 122 &ecspi4 { 123 pinctrl-names = "default"; 124 pinctrl-0 = <&pinctrl_ecspi4>; 125 num-chipselects = <1>; 126 cs-gpios = <&gpio3 3 GPIO_ACTIVE_LOW>; 127 status = "okay"; 128 129 /* 130 * ST chip maximum SPI clock frequency is 33 MHz. 131 * 132 * TCG specification - Section 6.4.1 Clocking: 133 * TPM shall support a SPI clock frequency range of 10-24 MHz. 134 */ 135 st33htph: tpm-tis@0 { 136 compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi"; 137 reg = <0>; 138 spi-max-frequency = <24000000>; 139 }; 140 }; 141 142 &fec1 { 143 pinctrl-names = "default"; 144 pinctrl-0 = <&pinctrl_enet1>; 145 phy-mode = "rmii"; 146 phy-handle = <ðphy>; 147 status = "okay"; 148 149 /* 150 * MDIO bus reset is used to generate PHY device reset before 151 * Ethernet PHY type ID auto-detection. Otherwise this communication 152 * fails as device does not answer when recommended reset circuit 153 * is used. 154 */ 155 mdio { 156 #address-cells = <1>; 157 #size-cells = <0>; 158 159 reset-delay-us = <100000>; 160 reset-post-delay-us = <500000>; 161 reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>; 162 163 /* Microchip/Micrel KSZ8081RNB */ 164 ethphy: ethernet-phy@1 { 165 compatible = "ethernet-phy-ieee802.3-c22"; 166 interrupt-parent = <&gpio1>; 167 interrupts = <9 IRQ_TYPE_LEVEL_LOW>; 168 reg = <1>; 169 }; 170 }; 171 }; 172 173 /* 174 * Detection signals for internal USB modules. 175 * Used for robust USB plug and play handling such as USB downstream port 176 * power-cycle and USB hub reset in case of misbehaving or crashed modules. 177 * 178 * SMPS - AC input monitor based on zero crossing. 179 * Used for last gasp notification. 180 */ 181 &gpio3 { 182 gpio-line-names = "", "", "", "", "", "", "", "", 183 "", "", "", "", "smps-ac-monitor", "", "usb-hub-reset", "", 184 "", "", "", "", "", "", "", "", 185 "", "module-b-detection", "", "module-a-detection", "", "", "", ""; 186 }; 187 188 /* 189 * Tamper IRQ trigger timestamp reading. 190 * Used for sealed cover opened/closed notification. 191 */ 192 &gpio5 { 193 gpio-line-names = "", "", "", "", "", "", "", "", 194 "", "", "", "", "rtc-tamper-irq", "", "", "", 195 "", "", "", "", "", "", "", "", 196 "", "", "", "", "", "", "", ""; 197 }; 198 199 &iomuxc { 200 pinctrl-names = "default"; 201 pinctrl-0 = <&pinctrl_misc>; 202 203 pinctrl_ecspi2: ecspi2grp { 204 fsl,pins = < 205 MX7D_PAD_ECSPI2_MISO__ECSPI2_MISO 0x7c /* X2-15 */ 206 MX7D_PAD_ECSPI2_MOSI__ECSPI2_MOSI 0x74 /* X2-18 */ 207 MX7D_PAD_ECSPI2_SCLK__ECSPI2_SCLK 0x74 /* X2-13 */ 208 MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x74 /* X2-20 */ 209 /* RTC - Tamper IRQ */ 210 MX7D_PAD_SD2_CLK__GPIO5_IO12 0x3c /* X1-92 */ 211 >; 212 }; 213 214 pinctrl_ecspi4: ecspi4grp { 215 fsl,pins = < 216 MX7D_PAD_LCD_CLK__ECSPI4_MISO 0x7c /* X2-72 */ 217 MX7D_PAD_LCD_ENABLE__ECSPI4_MOSI 0x74 /* X2-68 */ 218 MX7D_PAD_LCD_HSYNC__ECSPI4_SCLK 0x74 /* X2-76 */ 219 MX7D_PAD_LCD_VSYNC__GPIO3_IO3 0x74 /* X2-78 */ 220 >; 221 }; 222 223 pinctrl_enet1: enet1grp { 224 fsl,pins = < 225 MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x03 /* X2-48 */ 226 MX7D_PAD_GPIO1_IO11__ENET1_MDC 0x03 /* X2-46 */ 227 MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x71 /* X2-53 */ 228 MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x71 /* X2-55 */ 229 MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x71 /* X2-61 */ 230 MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x79 /* X2-56 */ 231 MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x79 /* X2-58 */ 232 MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x79 /* X2-64 */ 233 MX7D_PAD_ENET1_RGMII_RXC__ENET1_RX_ER 0x73 /* X2-52 */ 234 /* PHY reset: SRE_FAST, DSE_X1 */ 235 MX7D_PAD_ENET1_COL__GPIO7_IO15 0x00 /* X1-96 */ 236 /* Clock from PHY to MAC: 100kPU */ 237 MX7D_PAD_GPIO1_IO12__CCM_ENET_REF_CLK1 0x70 /* X3-4 */ 238 /* PHY interrupt: 100kPU, HYS */ 239 MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x78 /* X1-80 */ 240 >; 241 }; 242 243 pinctrl_leds: ledsgrp { 244 fsl,pins = < 245 MX7D_PAD_LCD_DATA01__GPIO3_IO6 0x14 /* X2-82 */ 246 MX7D_PAD_EPDC_BDR0__GPIO2_IO28 0x14 /* X1-82 */ 247 MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x14 /* X1-84 */ 248 MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 0x14 /* X1-86 */ 249 MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 0x14 /* X1-88 */ 250 MX7D_PAD_UART2_TX_DATA__GPIO4_IO3 0x14 /* X1-90 */ 251 >; 252 }; 253 254 pinctrl_misc: miscgrp { 255 fsl,pins = < 256 /* Module A detection (low = present) */ 257 MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x7c /* X2-105 */ 258 /* Module B detection (low = present) */ 259 MX7D_PAD_LCD_DATA20__GPIO3_IO25 0x7c /* X2-103 */ 260 /* SMPS - AC input monitor (high = failure) */ 261 MX7D_PAD_LCD_DATA07__GPIO3_IO12 0x7c /* X2-88 */ 262 /* USB - Hub reset */ 263 MX7D_PAD_LCD_DATA09__GPIO3_IO14 0x74 /* X2-92 */ 264 >; 265 }; 266 267 pinctrl_restart: restartgrp { 268 fsl,pins = < 269 MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12 0x74 /* X1-94 */ 270 >; 271 }; 272 273 pinctrl_uart4: uart4grp { 274 fsl,pins = < 275 MX7D_PAD_SAI2_TX_SYNC__UART4_DCE_RX 0x7e /* X3-14 */ 276 MX7D_PAD_SAI2_TX_BCLK__UART4_DCE_TX 0x76 /* X3-16 */ 277 >; 278 }; 279 }; 280 281 &iomuxc_lpsr { 282 pinctrl_usbotg2: usbotg2grp { 283 fsl,pins = < 284 MX7D_PAD_LPSR_GPIO1_IO06__USB_OTG2_OC 0x5c /* X3-11 */ 285 MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x59 /* X3-9 */ 286 >; 287 }; 288 289 }; 290 291 &uart4 { 292 pinctrl-names = "default"; 293 pinctrl-0 = <&pinctrl_uart4>; 294 assigned-clocks = <&clks IMX7D_UART4_ROOT_SRC>; 295 assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>; 296 }; 297 298 &usbotg2 { 299 pinctrl-names = "default"; 300 pinctrl-0 = <&pinctrl_usbotg2>; 301 vbus-supply = <®_usb_otg2_vbus>; 302 srp-disable; 303 hnp-disable; 304 adp-disable; 305 over-current-active-low; 306 dr_mode = "host"; 307 status = "okay"; 308 }; 309 310 /* 311 * External watchdog feature provided by pcf2127. 312 */ 313 &wdog1 { 314 status = "disabled"; 315 };
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