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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | // SPDX-License-Identifier: GPL-2.0 /dts-v1/; #include "bcm2837.dtsi" #include "bcm2836-rpi.dtsi" #include "bcm283x-rpi-lan7515.dtsi" #include "bcm283x-rpi-led-deprecated.dtsi" #include "bcm283x-rpi-usb-host.dtsi" #include "bcm283x-rpi-wifi-bt.dtsi" / { compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837"; model = "Raspberry Pi 3 Model B+"; chosen { /* 8250 auxiliary UART instead of pl011 */ stdout-path = "serial1:115200n8"; }; memory@0 { device_type = "memory"; reg = <0 0x40000000>; }; }; &bt { shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>; }; &firmware { expgpio: gpio { compatible = "raspberrypi,firmware-gpio"; gpio-controller; #gpio-cells = <2>; gpio-line-names = "BT_ON", "WL_ON", "PWR_LED_R", "LAN_RUN", "", "CAM_GPIO0", "CAM_GPIO1", ""; status = "okay"; }; }; &gpio { /* * Taken from rpi_SCH_3bplus_1p0_reduced.pdf and * the official GPU firmware DT blob. * * Legend: * "FOO" = GPIO line named "FOO" on the schematic * "FOO_N" = GPIO line named "FOO" on schematic, active low */ gpio-line-names = "ID_SDA", "ID_SCL", "SDA1", "SCL1", "GPIO_GCLK", "GPIO5", "GPIO6", "SPI_CE1_N", "SPI_CE0_N", "SPI_MISO", "SPI_MOSI", "SPI_SCLK", "GPIO12", "GPIO13", /* Serial port */ "TXD1", "RXD1", "GPIO16", "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", "GPIO27", "HDMI_HPD_N", "STATUS_LED_G", /* Used by BT module */ "CTS0", "RTS0", "TXD0", "RXD0", /* Used by Wifi */ "SD1_CLK", "SD1_CMD", "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3", "PWM0_OUT", "PWM1_OUT", "ETH_CLK", "WIFI_CLK", "SDA0", "SCL0", "SMPS_SCL", "SMPS_SDA", /* Used by SD Card */ "SD_CLK_R", "SD_CMD_R", "SD_DATA0_R", "SD_DATA1_R", "SD_DATA2_R", "SD_DATA3_R"; }; &hdmi { hpd-gpios = <&gpio 28 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; &led_act { gpios = <&gpio 29 GPIO_ACTIVE_HIGH>; }; &leds { led-pwr { label = "PWR"; gpios = <&expgpio 2 GPIO_ACTIVE_LOW>; default-state = "keep"; linux,default-trigger = "default-on"; }; }; &pwm { pinctrl-names = "default"; pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio41>; status = "okay"; }; /* SDHOST is used to drive the SD card */ &sdhost { pinctrl-names = "default"; pinctrl-0 = <&sdhost_gpio48>; status = "okay"; bus-width = <4>; }; /* uart0 communicates with the BT module */ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32 &gpclk2_gpio43>; }; /* uart1 is mapped to the pin header */ &uart1 { pinctrl-names = "default"; pinctrl-0 = <&uart1_gpio14>; status = "okay"; }; &wifi_pwrseq { reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; }; |