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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 | // SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com> */ /dts-v1/; #include "bcm2835.dtsi" #include "bcm2835-rpi.dtsi" #include "bcm283x-rpi-usb-otg.dtsi" / { compatible = "raspberrypi,model-zero-w", "brcm,bcm2835"; model = "Raspberry Pi Zero W"; memory@0 { device_type = "memory"; reg = <0 0x20000000>; }; chosen { /* 8250 auxiliary UART instead of pl011 */ stdout-path = "serial1:115200n8"; }; leds { act { gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; }; }; wifi_pwrseq: wifi-pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>; }; }; &gpio { /* * This is based on the official GPU firmware DT blob. * * Legend: * "NC" = not connected (no rail from the SoC) * "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 */ "TXD0", "RXD0", "GPIO16", "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", "GPIO27", "SDA0", "SCL0", "NC", /* GPIO30 */ "NC", /* GPIO31 */ "NC", /* GPIO32 */ "NC", /* GPIO33 */ "NC", /* GPIO34 */ "NC", /* GPIO35 */ "NC", /* GPIO36 */ "NC", /* GPIO37 */ "NC", /* GPIO38 */ "NC", /* GPIO39 */ "CAM_GPIO1", /* GPIO40 */ "WL_ON", /* GPIO41 */ "NC", /* GPIO42 */ "WIFI_CLK", /* GPIO43 */ "CAM_GPIO0", /* GPIO44 */ "BT_ON", /* GPIO45 */ "HDMI_HPD_N", "STATUS_LED_N", /* Used by SD Card */ "SD_CLK_R", "SD_CMD_R", "SD_DATA0_R", "SD_DATA1_R", "SD_DATA2_R", "SD_DATA3_R"; pinctrl-0 = <&gpioout &alt0>; }; &hdmi { hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; &sdhci { #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>; bus-width = <4>; mmc-pwrseq = <&wifi_pwrseq>; non-removable; status = "okay"; brcmf: wifi@1 { reg = <1>; compatible = "brcm,bcm4329-fmac"; }; }; &sdhost { pinctrl-names = "default"; pinctrl-0 = <&sdhost_gpio48>; bus-width = <4>; status = "okay"; }; &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>; status = "okay"; bluetooth { compatible = "brcm,bcm43438-bt"; max-speed = <2000000>; shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>; }; }; &uart1 { pinctrl-names = "default"; pinctrl-0 = <&uart1_gpio14>; status = "okay"; }; |