bcm2835-rpi-b-plus.dts (2435B)
1// SPDX-License-Identifier: GPL-2.0 2/dts-v1/; 3#include "bcm2835.dtsi" 4#include "bcm2835-rpi.dtsi" 5#include "bcm283x-rpi-smsc9514.dtsi" 6#include "bcm283x-rpi-usb-host.dtsi" 7 8/ { 9 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835"; 10 model = "Raspberry Pi Model B+"; 11 12 memory@0 { 13 device_type = "memory"; 14 reg = <0 0x20000000>; 15 }; 16 17 leds { 18 led-act { 19 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; 20 }; 21 22 led-pwr { 23 label = "PWR"; 24 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>; 25 default-state = "keep"; 26 linux,default-trigger = "default-on"; 27 }; 28 }; 29}; 30 31&gpio { 32 /* 33 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf 34 * RPI-BPLUS sheet 1 35 * 36 * Legend: 37 * "FOO" = GPIO line named "FOO" on the schematic 38 * "FOO_N" = GPIO line named "FOO" on schematic, active low 39 */ 40 gpio-line-names = "ID_SDA", 41 "ID_SCL", 42 "SDA1", 43 "SCL1", 44 "GPIO_GCLK", 45 "GPIO5", 46 "GPIO6", 47 "SPI_CE1_N", 48 "SPI_CE0_N", 49 "SPI_MISO", 50 "SPI_MOSI", 51 "SPI_SCLK", 52 "GPIO12", 53 "GPIO13", 54 /* Serial port */ 55 "TXD0", 56 "RXD0", 57 "GPIO16", 58 "GPIO17", 59 "GPIO18", 60 "GPIO19", 61 "GPIO20", 62 "GPIO21", 63 "GPIO22", 64 "GPIO23", 65 "GPIO24", 66 "GPIO25", 67 "GPIO26", 68 "GPIO27", 69 "SDA0", 70 "SCL0", 71 "", /* GPIO30 */ 72 "LAN_RUN", /* GPIO31 */ 73 "CAM_GPIO1", /* GPIO32 */ 74 "", /* GPIO33 */ 75 "", /* GPIO34 */ 76 "PWR_LOW_N", /* GPIO35 */ 77 "", /* GPIO36 */ 78 "", /* GPIO37 */ 79 "USB_LIMIT", /* GPIO38 */ 80 "", /* GPIO39 */ 81 "PWM0_OUT", /* GPIO40 */ 82 "CAM_GPIO0", /* GPIO41 */ 83 "", /* GPIO42 */ 84 "", /* GPIO43 */ 85 "ETH_CLK", /* GPIO44 */ 86 "PWM1_OUT", /* GPIO45 */ 87 "HDMI_HPD_N", 88 "STATUS_LED", 89 /* Used by SD Card */ 90 "SD_CLK_R", 91 "SD_CMD_R", 92 "SD_DATA0_R", 93 "SD_DATA1_R", 94 "SD_DATA2_R", 95 "SD_DATA3_R"; 96 97 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>; 98 99 /* I2S interface */ 100 i2s_alt0: i2s_alt0 { 101 brcm,pins = <18 19 20 21>; 102 brcm,function = <BCM2835_FSEL_ALT0>; 103 }; 104}; 105 106&hdmi { 107 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>; 108 power-domains = <&power RPI_POWER_DOMAIN_HDMI>; 109 status = "okay"; 110}; 111 112&pwm { 113 pinctrl-names = "default"; 114 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>; 115 status = "okay"; 116}; 117 118&sdhost { 119 pinctrl-names = "default"; 120 pinctrl-0 = <&sdhost_gpio48>; 121 bus-width = <4>; 122 status = "okay"; 123}; 124 125&uart0 { 126 pinctrl-names = "default"; 127 pinctrl-0 = <&uart0_gpio14>; 128 status = "okay"; 129};