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/stm32mp157a-stinger96.dtsi
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1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2 /* 3 * Copyright (C) 2020 Manivannan Sadhasivam 4 */ 5 6 /dts-v1/; 7 8 #include "stm32mp157.dtsi" 9 #include "stm32mp15-pinctrl.dtsi" 10 #include "stm32mp15xxac-pinctrl.dtsi" 11 #include <dt-bindings/gpio/gpio.h> 12 #include <dt-bindings/mfd/st,stpmic1.h> 13 14 / { 15 aliases { 16 mmc0 = &sdmmc1; 17 serial0 = &uart4; 18 serial1 = &uart7; 19 serial2 = &usart2; 20 spi0 = &spi4; 21 }; 22 23 chosen { 24 stdout-path = "serial1:115200n8"; 25 }; 26 27 memory@c0000000 { 28 device_type = "memory"; 29 reg = <0xc0000000 0x10000000>; 30 }; 31 32 led { 33 compatible = "gpio-leds"; 34 35 led1 { 36 label = "green:user1"; 37 gpios = <&gpioa 13 GPIO_ACTIVE_HIGH>; 38 linux,default-trigger = "heartbeat"; 39 default-state = "off"; 40 }; 41 42 led2 { 43 label = "green:user2"; 44 gpios = <&gpioh 3 GPIO_ACTIVE_HIGH>; 45 linux,default-trigger = "mmc0"; 46 default-state = "off"; 47 }; 48 49 led3 { 50 label = "green:user3"; 51 gpios = <&gpioh 2 GPIO_ACTIVE_HIGH>; 52 linux,default-trigger = "mmc1"; 53 default-state = "off"; 54 }; 55 56 led4 { 57 label = "green:user4"; 58 gpios = <&gpiof 12 GPIO_ACTIVE_HIGH>; 59 linux,default-trigger = "none"; 60 default-state = "off"; 61 panic-indicator; 62 }; 63 }; 64 65 sd_switch: regulator-sd_switch { 66 compatible = "regulator-gpio"; 67 regulator-name = "sd_switch"; 68 regulator-min-microvolt = <1800000>; 69 regulator-max-microvolt = <2900000>; 70 regulator-type = "voltage"; 71 regulator-always-on; 72 73 gpios = <&gpioa 8 GPIO_ACTIVE_HIGH>; 74 gpios-states = <0>; 75 states = <1800000 0x1>, 76 <2900000 0x0>; 77 }; 78 }; 79 80 /* Only headless mode is supported */ 81 &gpu { 82 status = "disabled"; 83 }; 84 85 /* LS-I2C0 */ 86 &i2c2 { 87 pinctrl-names = "default"; 88 pinctrl-0 = <&i2c2_pins_a>; 89 i2c-scl-rising-time-ns = <1000>; 90 i2c-scl-falling-time-ns = <300>; 91 status = "okay"; 92 /delete-property/dmas; 93 /delete-property/dma-names; 94 }; 95 96 &i2c4 { 97 pinctrl-names = "default"; 98 pinctrl-0 = <&i2c4_pins_a>; 99 i2c-scl-rising-time-ns = <185>; 100 i2c-scl-falling-time-ns = <20>; 101 status = "okay"; 102 /delete-property/dmas; 103 /delete-property/dma-names; 104 105 pmic: stpmic@33 { 106 compatible = "st,stpmic1"; 107 reg = <0x33>; 108 interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>; 109 interrupt-controller; 110 #interrupt-cells = <2>; 111 status = "okay"; 112 113 regulators { 114 compatible = "st,stpmic1-regulators"; 115 116 ldo1-supply = <&v3v3>; 117 ldo2-supply = <&v3v3>; 118 ldo3-supply = <&vdd_ddr>; 119 ldo5-supply = <&v3v3>; 120 ldo6-supply = <&v3v3>; 121 pwr_sw1-supply = <&bst_out>; 122 pwr_sw2-supply = <&bst_out>; 123 124 vddcore: buck1 { 125 regulator-name = "vddcore"; 126 regulator-min-microvolt = <1200000>; 127 regulator-max-microvolt = <1350000>; 128 regulator-always-on; 129 regulator-initial-mode = <0>; 130 regulator-over-current-protection; 131 }; 132 133 vdd_ddr: buck2 { 134 regulator-name = "vdd_ddr"; 135 regulator-min-microvolt = <1500000>; 136 regulator-max-microvolt = <1500000>; 137 regulator-always-on; 138 regulator-initial-mode = <0>; 139 regulator-over-current-protection; 140 }; 141 142 vdd: buck3 { 143 regulator-name = "vdd"; 144 regulator-min-microvolt = <1800000>; 145 regulator-max-microvolt = <1800000>; 146 regulator-always-on; 147 st,mask-reset; 148 regulator-initial-mode = <0>; 149 regulator-over-current-protection; 150 }; 151 152 v3v3: buck4 { 153 regulator-name = "v3v3"; 154 regulator-min-microvolt = <3300000>; 155 regulator-max-microvolt = <3300000>; 156 regulator-always-on; 157 regulator-over-current-protection; 158 regulator-initial-mode = <0>; 159 }; 160 161 vdda: ldo1 { 162 regulator-name = "vdda"; 163 regulator-min-microvolt = <1800000>; 164 regulator-max-microvolt = <1800000>; 165 regulator-always-on; 166 interrupts = <IT_CURLIM_LDO1 0>; 167 }; 168 169 v2v9: ldo2 { 170 regulator-name = "v2v9"; 171 regulator-min-microvolt = <2900000>; 172 regulator-max-microvolt = <2900000>; 173 regulator-always-on; 174 interrupts = <IT_CURLIM_LDO2 0>; 175 }; 176 177 vtt_ddr: ldo3 { 178 regulator-name = "vtt_ddr"; 179 regulator-min-microvolt = <500000>; 180 regulator-max-microvolt = <750000>; 181 regulator-always-on; 182 regulator-over-current-protection; 183 }; 184 185 vdd_usb: ldo4 { 186 regulator-name = "vdd_usb"; 187 interrupts = <IT_CURLIM_LDO4 0>; 188 }; 189 190 vdd_sd: ldo5 { 191 regulator-name = "vdd_sd"; 192 regulator-min-microvolt = <2900000>; 193 regulator-max-microvolt = <2900000>; 194 interrupts = <IT_CURLIM_LDO5 0>; 195 regulator-boot-on; 196 }; 197 198 v1v8: ldo6 { 199 regulator-name = "v1v8"; 200 regulator-min-microvolt = <1800000>; 201 regulator-max-microvolt = <1800000>; 202 regulator-always-on; 203 interrupts = <IT_CURLIM_LDO6 0>; 204 }; 205 206 vref_ddr: vref_ddr { 207 regulator-name = "vref_ddr"; 208 regulator-always-on; 209 }; 210 211 bst_out: boost { 212 regulator-name = "bst_out"; 213 interrupts = <IT_OCP_BOOST 0>; 214 }; 215 216 vbus_otg: pwr_sw1 { 217 regulator-name = "vbus_otg"; 218 interrupts = <IT_OCP_OTG 0>; 219 regulator-active-discharge = <1>; 220 }; 221 222 vbus_sw: pwr_sw2 { 223 regulator-name = "vbus_sw"; 224 interrupts = <IT_OCP_SWOUT 0>; 225 regulator-active-discharge = <1>; 226 }; 227 }; 228 229 onkey { 230 compatible = "st,stpmic1-onkey"; 231 interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>; 232 interrupt-names = "onkey-falling", "onkey-rising"; 233 status = "okay"; 234 }; 235 236 watchdog { 237 compatible = "st,stpmic1-wdt"; 238 status = "disabled"; 239 }; 240 }; 241 }; 242 243 &iwdg2 { 244 timeout-sec = <32>; 245 status = "okay"; 246 }; 247 248 &pwr_regulators { 249 vdd-supply = <&vdd>; 250 vdd_3v3_usbfs-supply = <&vdd_usb>; 251 }; 252 253 &rng1 { 254 status = "okay"; 255 }; 256 257 &rtc { 258 status = "okay"; 259 }; 260 261 &sdmmc1 { 262 pinctrl-names = "default", "opendrain", "sleep"; 263 pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_b>; 264 pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_b>; 265 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_b>; 266 broken-cd; 267 disable-wp; 268 st,sig-dir; 269 st,neg-edge; 270 st,use-ckin; 271 bus-width = <4>; 272 vmmc-supply = <&vdd_sd>; 273 vqmmc-supply = <&sd_switch>; 274 status = "okay"; 275 }; 276 277 /* LS-SPI0 */ 278 &spi4 { 279 pinctrl-names = "default"; 280 pinctrl-0 = <&spi4_pins_a>; 281 cs-gpios = <&gpioe 11 GPIO_ACTIVE_HIGH>; 282 status = "okay"; 283 }; 284 285 /* BG96 */ 286 &usart2 { 287 pinctrl-names = "default", "sleep"; 288 pinctrl-0 = <&usart2_pins_b>; 289 pinctrl-1 = <&usart2_sleep_pins_b>; 290 st,hw-flow-ctrl; 291 /delete-property/dmas; 292 /delete-property/dma-names; 293 status = "okay"; 294 }; 295 296 /* LS-UART0 */ 297 &uart4 { 298 pinctrl-names = "default"; 299 pinctrl-0 = <&uart4_pins_c>; 300 st,hw-flow-ctrl; 301 /delete-property/dmas; 302 /delete-property/dma-names; 303 status = "okay"; 304 }; 305 306 /* Debug console */ 307 &uart7 { 308 pinctrl-names = "default"; 309 pinctrl-0 = <&uart7_pins_b>; 310 /delete-property/dmas; 311 /delete-property/dma-names; 312 status = "okay"; 313 }; 314 315 &usbh_ehci { 316 phys = <&usbphyc_port0>; 317 phy-names = "usb"; 318 status = "okay"; 319 }; 320 321 &usbotg_hs { 322 dr_mode = "peripheral"; 323 pinctrl-0 = <&usbotg_hs_pins_a>; 324 pinctrl-names = "default"; 325 phy-names = "usb2-phy"; 326 phys = <&usbphyc_port1 0>; 327 vbus-supply = <&vbus_otg>; 328 status = "okay"; 329 }; 330 331 &usbphyc { 332 status = "okay"; 333 }; 334 335 &usbphyc_port0 { 336 phy-supply = <&vdd_usb>; 337 }; 338 339 &usbphyc_port1 { 340 phy-supply = <&vdd_usb>; 341 };
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