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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 | // SPDX-License-Identifier: GPL-2.0 /dts-v1/; #include "bcm2835.dtsi" #include "bcm2835-rpi.dtsi" #include "bcm2835-rpi-common.dtsi" #include "bcm283x-rpi-led-deprecated.dtsi" #include "bcm283x-rpi-smsc9514.dtsi" #include "bcm283x-rpi-usb-host.dtsi" / { compatible = "raspberrypi,model-b-plus", "brcm,bcm2835"; model = "Raspberry Pi Model B+"; memory@0 { device_type = "memory"; reg = <0 0x20000000>; }; }; &gpio { /* * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf * RPI-BPLUS sheet 1 * * 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 */ "TXD0", "RXD0", "GPIO16", "GPIO17", "GPIO18", "GPIO19", "GPIO20", "GPIO21", "GPIO22", "GPIO23", "GPIO24", "GPIO25", "GPIO26", "GPIO27", "SDA0", "SCL0", "", /* GPIO30 */ "LAN_RUN", /* GPIO31 */ "CAM_GPIO1", /* GPIO32 */ "", /* GPIO33 */ "", /* GPIO34 */ "PWR_LOW_N", /* GPIO35 */ "", /* GPIO36 */ "", /* GPIO37 */ "USB_LIMIT", /* GPIO38 */ "", /* GPIO39 */ "PWM0_OUT", /* GPIO40 */ "CAM_GPIO0", /* GPIO41 */ "", /* GPIO42 */ "", /* GPIO43 */ "ETH_CLK", /* GPIO44 */ "PWM1_OUT", /* GPIO45 */ "HDMI_HPD_N", "STATUS_LED", /* Used by SD Card */ "SD_CLK_R", "SD_CMD_R", "SD_DATA0_R", "SD_DATA1_R", "SD_DATA2_R", "SD_DATA3_R"; pinctrl-names = "default"; pinctrl-0 = <&gpioout &alt0 &i2s_alt0>; /* I2S interface */ i2s_alt0: i2s_alt0 { brcm,pins = <18 19 20 21>; brcm,function = <BCM2835_FSEL_ALT0>; }; }; &hdmi { hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; power-domains = <&power RPI_POWER_DOMAIN_HDMI>; status = "okay"; }; &led_act { gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; }; &leds { led-pwr { label = "PWR"; gpios = <&gpio 35 GPIO_ACTIVE_HIGH>; default-state = "keep"; linux,default-trigger = "default-on"; }; }; &pwm { pinctrl-names = "default"; pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; status = "okay"; }; &sdhost { pinctrl-names = "default"; pinctrl-0 = <&sdhost_gpio48>; bus-width = <4>; status = "okay"; }; &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_gpio14>; status = "okay"; }; |