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1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2836.dtsi"
4#include "bcm2836-rpi.dtsi"
5#include "bcm283x-rpi-led-deprecated.dtsi"
6#include "bcm283x-rpi-smsc9514.dtsi"
7#include "bcm283x-rpi-usb-host.dtsi"
8
9/ {
10 compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
11 model = "Raspberry Pi 2 Model B";
12
13 memory@0 {
14 device_type = "memory";
15 reg = <0 0x40000000>;
16 };
17};
18
19&gpio {
20 /*
21 * Taken from rpi_SCH_2b_1p2_reduced.pdf and
22 * the official GPU firmware DT blob.
23 *
24 * Legend:
25 * "FOO" = GPIO line named "FOO" on the schematic
26 * "FOO_N" = GPIO line named "FOO" on schematic, active low
27 */
28 gpio-line-names = "ID_SDA",
29 "ID_SCL",
30 "SDA1",
31 "SCL1",
32 "GPIO_GCLK",
33 "GPIO5",
34 "GPIO6",
35 "SPI_CE1_N",
36 "SPI_CE0_N",
37 "SPI_MISO",
38 "SPI_MOSI",
39 "SPI_SCLK",
40 "GPIO12",
41 "GPIO13",
42 /* Serial port */
43 "TXD0",
44 "RXD0",
45 "GPIO16",
46 "GPIO17",
47 "GPIO18",
48 "GPIO19",
49 "GPIO20",
50 "GPIO21",
51 "GPIO22",
52 "GPIO23",
53 "GPIO24",
54 "GPIO25",
55 "GPIO26",
56 "GPIO27",
57 "SDA0",
58 "SCL0",
59 "", /* GPIO30 */
60 "LAN_RUN",
61 "CAM_GPIO1",
62 "", /* GPIO33 */
63 "", /* GPIO34 */
64 "PWR_LOW_N",
65 "", /* GPIO36 */
66 "", /* GPIO37 */
67 "USB_LIMIT",
68 "", /* GPIO39 */
69 "PWM0_OUT",
70 "CAM_GPIO0",
71 "SMPS_SCL",
72 "SMPS_SDA",
73 "ETH_CLK",
74 "PWM1_OUT",
75 "HDMI_HPD_N",
76 "STATUS_LED",
77 /* Used by SD Card */
78 "SD_CLK_R",
79 "SD_CMD_R",
80 "SD_DATA0_R",
81 "SD_DATA1_R",
82 "SD_DATA2_R",
83 "SD_DATA3_R";
84
85 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
86
87 /* I2S interface */
88 i2s_alt0: i2s_alt0 {
89 brcm,pins = <18 19 20 21>;
90 brcm,function = <BCM2835_FSEL_ALT0>;
91 };
92};
93
94&hdmi {
95 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
96 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
97 status = "okay";
98};
99
100&led_act {
101 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
102};
103
104&leds {
105 led-pwr {
106 label = "PWR";
107 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
108 default-state = "keep";
109 linux,default-trigger = "default-on";
110 };
111};
112
113&pwm {
114 pinctrl-names = "default";
115 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
116 status = "okay";
117};
118
119&sdhost {
120 pinctrl-names = "default";
121 pinctrl-0 = <&sdhost_gpio48>;
122 bus-width = <4>;
123 status = "okay";
124};
125
126&uart0 {
127 pinctrl-names = "default";
128 pinctrl-0 = <&uart0_gpio14>;
129 status = "okay";
130};
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3#include "bcm2836.dtsi"
4#include "bcm2836-rpi.dtsi"
5#include "bcm283x-rpi-smsc9514.dtsi"
6#include "bcm283x-rpi-usb-host.dtsi"
7
8/ {
9 compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
10 model = "Raspberry Pi 2 Model B";
11
12 memory@0 {
13 device_type = "memory";
14 reg = <0 0x40000000>;
15 };
16
17 leds {
18 act {
19 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
20 };
21
22 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 rpi_SCH_2b_1p2_reduced.pdf and
34 * the official GPU firmware DT blob.
35 *
36 * Legend:
37 * "NC" = not connected (no rail from the SoC)
38 * "FOO" = GPIO line named "FOO" on the schematic
39 * "FOO_N" = GPIO line named "FOO" on schematic, active low
40 */
41 gpio-line-names = "ID_SDA",
42 "ID_SCL",
43 "SDA1",
44 "SCL1",
45 "GPIO_GCLK",
46 "GPIO5",
47 "GPIO6",
48 "SPI_CE1_N",
49 "SPI_CE0_N",
50 "SPI_MISO",
51 "SPI_MOSI",
52 "SPI_SCLK",
53 "GPIO12",
54 "GPIO13",
55 /* Serial port */
56 "TXD0",
57 "RXD0",
58 "GPIO16",
59 "GPIO17",
60 "GPIO18",
61 "GPIO19",
62 "GPIO20",
63 "GPIO21",
64 "GPIO22",
65 "GPIO23",
66 "GPIO24",
67 "GPIO25",
68 "GPIO26",
69 "GPIO27",
70 "SDA0",
71 "SCL0",
72 "", /* GPIO30 */
73 "LAN_RUN",
74 "CAM_GPIO1",
75 "", /* GPIO33 */
76 "", /* GPIO34 */
77 "PWR_LOW_N",
78 "", /* GPIO36 */
79 "", /* GPIO37 */
80 "USB_LIMIT",
81 "", /* GPIO39 */
82 "PWM0_OUT",
83 "CAM_GPIO0",
84 "SMPS_SCL",
85 "SMPS_SDA",
86 "ETHCLK",
87 "PWM1_OUT",
88 "HDMI_HPD_N",
89 "STATUS_LED",
90 /* Used by SD Card */
91 "SD_CLK_R",
92 "SD_CMD_R",
93 "SD_DATA0_R",
94 "SD_DATA1_R",
95 "SD_DATA2_R",
96 "SD_DATA3_R";
97
98 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
99
100 /* I2S interface */
101 i2s_alt0: i2s_alt0 {
102 brcm,pins = <18 19 20 21>;
103 brcm,function = <BCM2835_FSEL_ALT0>;
104 };
105};
106
107&hdmi {
108 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
109 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
110 status = "okay";
111};
112
113&pwm {
114 pinctrl-names = "default";
115 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
116 status = "okay";
117};
118
119&sdhost {
120 pinctrl-names = "default";
121 pinctrl-0 = <&sdhost_gpio48>;
122 bus-width = <4>;
123 status = "okay";
124};
125
126&uart0 {
127 pinctrl-names = "default";
128 pinctrl-0 = <&uart0_gpio14>;
129 status = "okay";
130};