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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 6a2c7ea53fd538db14ca8669cb90aedc0c72cd45 / . / arch / arm / dts / bcm2835-rpi-b-plus.dts
blob: 1b435c64bd9c18f2a7e45e9d1a2fce61f158263a [file] [log] [blame]
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]1// SPDX-License-Identifier: GPL-2.0
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]2/dts-v1/;
3#include "bcm2835.dtsi"
4#include "bcm2835-rpi.dtsi"
5#include "bcm283x-rpi-smsc9514.dtsi"
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]6#include "bcm283x-rpi-usb-host.dtsi"
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]7
8/ {
9 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
10 model = "Raspberry Pi Model B+";
11
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]12 memory@0 {
13 device_type = "memory";
14 reg = <0 0x20000000>;
15 };
16
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]17 leds {
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]18 led-act {
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]19 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]20 };
21
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]22 led-pwr {
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]23 label = "PWR";
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]24 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]25 default-state = "keep";
26 linux,default-trigger = "default-on";
27 };
28 };
29};
30
31&gpio {
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]32 /*
33 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
34 * RPI-BPLUS sheet 1
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 */
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]41 gpio-line-names = "ID_SDA",
42 "ID_SCL",
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]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 "NC", /* GPIO30 */
73 "LAN_RUN", /* GPIO31 */
74 "CAM_GPIO1", /* GPIO32 */
75 "NC", /* GPIO33 */
76 "NC", /* GPIO34 */
77 "PWR_LOW_N", /* GPIO35 */
78 "NC", /* GPIO36 */
79 "NC", /* GPIO37 */
80 "USB_LIMIT", /* GPIO38 */
81 "NC", /* GPIO39 */
82 "PWM0_OUT", /* GPIO40 */
83 "CAM_GPIO0", /* GPIO41 */
84 "NC", /* GPIO42 */
85 "NC", /* GPIO43 */
86 "ETHCLK", /* GPIO44 */
87 "PWM1_OUT", /* GPIO45 */
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>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]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>;
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]109 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
110 status = "okay";
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]111};
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]112
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]113&pwm {
114 pinctrl-names = "default";
115 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
116 status = "okay";
117};
118
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]119&sdhost {
120 pinctrl-names = "default";
121 pinctrl-0 = <&sdhost_gpio48>;
122 bus-width = <4>;
123 status = "okay";
124};
125
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]126&uart0 {
127 pinctrl-names = "default";
128 pinctrl-0 = <&uart0_gpio14>;
129 status = "okay";
130};