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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 leds {
13 act {
14 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
15 };
16
17 pwr {
18 label = "PWR";
19 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
20 default-state = "keep";
21 linux,default-trigger = "default-on";
22 };
23 };
24};
25
26&gpio {
27 /*
28 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
29 * RPI-BPLUS sheet 1
30 *
31 * Legend:
32 * "NC" = not connected (no rail from the SoC)
33 * "FOO" = GPIO line named "FOO" on the schematic
34 * "FOO_N" = GPIO line named "FOO" on schematic, active low
35 */
36 gpio-line-names = "SDA0",
37 "SCL0",
38 "SDA1",
39 "SCL1",
40 "GPIO_GCLK",
41 "GPIO5",
42 "GPIO6",
43 "SPI_CE1_N",
44 "SPI_CE0_N",
45 "SPI_MISO",
46 "SPI_MOSI",
47 "SPI_SCLK",
48 "GPIO12",
49 "GPIO13",
50 /* Serial port */
51 "TXD0",
52 "RXD0",
53 "GPIO16",
54 "GPIO17",
55 "GPIO18",
56 "GPIO19",
57 "GPIO20",
58 "GPIO21",
59 "GPIO22",
60 "GPIO23",
61 "GPIO24",
62 "GPIO25",
63 "GPIO26",
64 "GPIO27",
65 "SDA0",
66 "SCL0",
67 "NC", /* GPIO30 */
68 "LAN_RUN", /* GPIO31 */
69 "CAM_GPIO1", /* GPIO32 */
70 "NC", /* GPIO33 */
71 "NC", /* GPIO34 */
72 "PWR_LOW_N", /* GPIO35 */
73 "NC", /* GPIO36 */
74 "NC", /* GPIO37 */
75 "USB_LIMIT", /* GPIO38 */
76 "NC", /* GPIO39 */
77 "PWM0_OUT", /* GPIO40 */
78 "CAM_GPIO0", /* GPIO41 */
79 "NC", /* GPIO42 */
80 "NC", /* GPIO43 */
81 "ETHCLK", /* GPIO44 */
82 "PWM1_OUT", /* GPIO45 */
83 "HDMI_HPD_N",
84 "STATUS_LED",
85 /* Used by SD Card */
86 "SD_CLK_R",
87 "SD_CMD_R",
88 "SD_DATA0_R",
89 "SD_DATA1_R",
90 "SD_DATA2_R",
91 "SD_DATA3_R";
92
93 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
94
95 /* I2S interface */
96 i2s_alt0: i2s_alt0 {
97 brcm,pins = <18 19 20 21>;
98 brcm,function = <BCM2835_FSEL_ALT0>;
99 };
100};
101
102&hdmi {
103 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
104};
105
106&uart0 {
107 pinctrl-names = "default";
108 pinctrl-0 = <&uart0_gpio14>;
109 status = "okay";
110};
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2835.dtsi"
4#include "bcm2835-rpi.dtsi"
5#include "bcm2835-rpi-common.dtsi"
6#include "bcm283x-rpi-led-deprecated.dtsi"
7#include "bcm283x-rpi-smsc9514.dtsi"
8#include "bcm283x-rpi-usb-host.dtsi"
9
10/ {
11 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
12 model = "Raspberry Pi Model B+";
13
14 memory@0 {
15 device_type = "memory";
16 reg = <0 0x20000000>;
17 };
18};
19
20&gpio {
21 /*
22 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
23 * RPI-BPLUS sheet 1
24 *
25 * Legend:
26 * "FOO" = GPIO line named "FOO" on the schematic
27 * "FOO_N" = GPIO line named "FOO" on schematic, active low
28 */
29 gpio-line-names = "ID_SDA",
30 "ID_SCL",
31 "SDA1",
32 "SCL1",
33 "GPIO_GCLK",
34 "GPIO5",
35 "GPIO6",
36 "SPI_CE1_N",
37 "SPI_CE0_N",
38 "SPI_MISO",
39 "SPI_MOSI",
40 "SPI_SCLK",
41 "GPIO12",
42 "GPIO13",
43 /* Serial port */
44 "TXD0",
45 "RXD0",
46 "GPIO16",
47 "GPIO17",
48 "GPIO18",
49 "GPIO19",
50 "GPIO20",
51 "GPIO21",
52 "GPIO22",
53 "GPIO23",
54 "GPIO24",
55 "GPIO25",
56 "GPIO26",
57 "GPIO27",
58 "SDA0",
59 "SCL0",
60 "", /* GPIO30 */
61 "LAN_RUN", /* GPIO31 */
62 "CAM_GPIO1", /* GPIO32 */
63 "", /* GPIO33 */
64 "", /* GPIO34 */
65 "PWR_LOW_N", /* GPIO35 */
66 "", /* GPIO36 */
67 "", /* GPIO37 */
68 "USB_LIMIT", /* GPIO38 */
69 "", /* GPIO39 */
70 "PWM0_OUT", /* GPIO40 */
71 "CAM_GPIO0", /* GPIO41 */
72 "", /* GPIO42 */
73 "", /* GPIO43 */
74 "ETH_CLK", /* GPIO44 */
75 "PWM1_OUT", /* GPIO45 */
76 "HDMI_HPD_N",
77 "STATUS_LED",
78 /* Used by SD Card */
79 "SD_CLK_R",
80 "SD_CMD_R",
81 "SD_DATA0_R",
82 "SD_DATA1_R",
83 "SD_DATA2_R",
84 "SD_DATA3_R";
85
86 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
87
88 /* I2S interface */
89 i2s_alt0: i2s_alt0 {
90 brcm,pins = <18 19 20 21>;
91 brcm,function = <BCM2835_FSEL_ALT0>;
92 };
93};
94
95&hdmi {
96 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
97 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
98 status = "okay";
99};
100
101&led_act {
102 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
103};
104
105&leds {
106 led-pwr {
107 label = "PWR";
108 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
109 default-state = "keep";
110 linux,default-trigger = "default-on";
111 };
112};
113
114&pwm {
115 pinctrl-names = "default";
116 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
117 status = "okay";
118};
119
120&sdhost {
121 pinctrl-names = "default";
122 pinctrl-0 = <&sdhost_gpio48>;
123 bus-width = <4>;
124 status = "okay";
125};
126
127&uart0 {
128 pinctrl-names = "default";
129 pinctrl-0 = <&uart0_gpio14>;
130 status = "okay";
131};