1// SPDX-License-Identifier: GPL-2.0 2/dts-v1/; 3#include "bcm2837-rpi-cm3.dtsi" 4#include "bcm283x-rpi-usb-host.dtsi" 5 6/ { 7 compatible = "raspberrypi,3-compute-module", "brcm,bcm2837"; 8 model = "Raspberry Pi Compute Module 3 IO board V3.0"; 9}; 10 11&gpio { 12 /* 13 * This is based on the official GPU firmware DT blob. 14 * 15 * Legend: 16 * "NC" = not connected (no rail from the SoC) 17 * "FOO" = GPIO line named "FOO" on the schematic 18 * "FOO_N" = GPIO line named "FOO" on schematic, active low 19 */ 20 gpio-line-names = "GPIO0", 21 "GPIO1", 22 "GPIO2", 23 "GPIO3", 24 "GPIO4", 25 "GPIO5", 26 "GPIO6", 27 "GPIO7", 28 "GPIO8", 29 "GPIO9", 30 "GPIO10", 31 "GPIO11", 32 "GPIO12", 33 "GPIO13", 34 "GPIO14", 35 "GPIO15", 36 "GPIO16", 37 "GPIO17", 38 "GPIO18", 39 "GPIO19", 40 "GPIO20", 41 "GPIO21", 42 "GPIO22", 43 "GPIO23", 44 "GPIO24", 45 "GPIO25", 46 "GPIO26", 47 "GPIO27", 48 "GPIO28", 49 "GPIO29", 50 "GPIO30", 51 "GPIO31", 52 "GPIO32", 53 "GPIO33", 54 "GPIO34", 55 "GPIO35", 56 "GPIO36", 57 "GPIO37", 58 "GPIO38", 59 "GPIO39", 60 "GPIO40", 61 "GPIO41", 62 "GPIO42", 63 "GPIO43", 64 "GPIO44", 65 "GPIO45", 66 "GPIO46", 67 "GPIO47", 68 /* Used by eMMC */ 69 "SD_CLK_R", 70 "SD_CMD_R", 71 "SD_DATA0_R", 72 "SD_DATA1_R", 73 "SD_DATA2_R", 74 "SD_DATA3_R"; 75 76 pinctrl-0 = <&gpioout &alt0>; 77}; 78 79&hdmi { 80 hpd-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; 81}; 82 83&uart0 { 84 pinctrl-names = "default"; 85 pinctrl-0 = <&uart0_gpio14>; 86 status = "okay"; 87}; 88