0001 // SPDX-License-Identifier: GPL-2.0
0002 /dts-v1/;
0003 #include "bcm2835.dtsi"
0004 #include "bcm2835-rpi.dtsi"
0005 #include "bcm283x-rpi-smsc9514.dtsi"
0006 #include "bcm283x-rpi-usb-host.dtsi"
0007
0008 / {
0009 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
0010 model = "Raspberry Pi Model B+";
0011
0012 memory@0 {
0013 device_type = "memory";
0014 reg = <0 0x20000000>;
0015 };
0016
0017 leds {
0018 led-act {
0019 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
0020 };
0021
0022 led-pwr {
0023 label = "PWR";
0024 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
0025 default-state = "keep";
0026 linux,default-trigger = "default-on";
0027 };
0028 };
0029 };
0030
0031 &gpio {
0032 /*
0033 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
0034 * RPI-BPLUS sheet 1
0035 *
0036 * Legend:
0037 * "FOO" = GPIO line named "FOO" on the schematic
0038 * "FOO_N" = GPIO line named "FOO" on schematic, active low
0039 */
0040 gpio-line-names = "ID_SDA",
0041 "ID_SCL",
0042 "SDA1",
0043 "SCL1",
0044 "GPIO_GCLK",
0045 "GPIO5",
0046 "GPIO6",
0047 "SPI_CE1_N",
0048 "SPI_CE0_N",
0049 "SPI_MISO",
0050 "SPI_MOSI",
0051 "SPI_SCLK",
0052 "GPIO12",
0053 "GPIO13",
0054 /* Serial port */
0055 "TXD0",
0056 "RXD0",
0057 "GPIO16",
0058 "GPIO17",
0059 "GPIO18",
0060 "GPIO19",
0061 "GPIO20",
0062 "GPIO21",
0063 "GPIO22",
0064 "GPIO23",
0065 "GPIO24",
0066 "GPIO25",
0067 "GPIO26",
0068 "GPIO27",
0069 "SDA0",
0070 "SCL0",
0071 "", /* GPIO30 */
0072 "LAN_RUN", /* GPIO31 */
0073 "CAM_GPIO1", /* GPIO32 */
0074 "", /* GPIO33 */
0075 "", /* GPIO34 */
0076 "PWR_LOW_N", /* GPIO35 */
0077 "", /* GPIO36 */
0078 "", /* GPIO37 */
0079 "USB_LIMIT", /* GPIO38 */
0080 "", /* GPIO39 */
0081 "PWM0_OUT", /* GPIO40 */
0082 "CAM_GPIO0", /* GPIO41 */
0083 "", /* GPIO42 */
0084 "", /* GPIO43 */
0085 "ETH_CLK", /* GPIO44 */
0086 "PWM1_OUT", /* GPIO45 */
0087 "HDMI_HPD_N",
0088 "STATUS_LED",
0089 /* Used by SD Card */
0090 "SD_CLK_R",
0091 "SD_CMD_R",
0092 "SD_DATA0_R",
0093 "SD_DATA1_R",
0094 "SD_DATA2_R",
0095 "SD_DATA3_R";
0096
0097 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
0098
0099 /* I2S interface */
0100 i2s_alt0: i2s_alt0 {
0101 brcm,pins = <18 19 20 21>;
0102 brcm,function = <BCM2835_FSEL_ALT0>;
0103 };
0104 };
0105
0106 &hdmi {
0107 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
0108 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
0109 status = "okay";
0110 };
0111
0112 &pwm {
0113 pinctrl-names = "default";
0114 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
0115 status = "okay";
0116 };
0117
0118 &sdhost {
0119 pinctrl-names = "default";
0120 pinctrl-0 = <&sdhost_gpio48>;
0121 bus-width = <4>;
0122 status = "okay";
0123 };
0124
0125 &uart0 {
0126 pinctrl-names = "default";
0127 pinctrl-0 = <&uart0_gpio14>;
0128 status = "okay";
0129 };
