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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / a5de86c1db4ae340dfbee817549925ecab04077a / . / arch / arm / dts / bcm2835-rpi-a-plus.dts
blob: db8a6017f220a2b737b5e0af002e9b1077572f03 [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"
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]5#include "bcm283x-rpi-usb-host.dtsi"
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]6
7/ {
8 compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
9 model = "Raspberry Pi Model A+";
10
11 leds {
12 act {
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]13 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]14 };
15
16 pwr {
17 label = "PWR";
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]18 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]19 default-state = "keep";
20 linux,default-trigger = "default-on";
21 };
22 };
23};
24
25&gpio {
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]26 /*
27 * This is based on the unreleased schematic for the Model A+.
28 *
29 * Legend:
30 * "NC" = not connected (no rail from the SoC)
31 * "FOO" = GPIO line named "FOO" on the schematic
32 * "FOO_N" = GPIO line named "FOO" on schematic, active low
33 */
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]34 gpio-line-names = "ID_SDA",
35 "ID_SCL",
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]36 "SDA1",
37 "SCL1",
38 "GPIO_GCLK",
39 "GPIO5",
40 "GPIO6",
41 "SPI_CE1_N",
42 "SPI_CE0_N",
43 "SPI_MISO",
44 "SPI_MOSI",
45 "SPI_SCLK",
46 "GPIO12",
47 "GPIO13",
48 /* Serial port */
49 "TXD0",
50 "RXD0",
51 "GPIO16",
52 "GPIO17",
53 "GPIO18",
54 "GPIO19",
55 "GPIO20",
56 "GPIO21",
57 "GPIO22",
58 "GPIO23",
59 "GPIO24",
60 "GPIO25",
61 "GPIO26",
62 "GPIO27",
63 "SDA0",
64 "SCL0",
65 "NC", /* GPIO30 */
66 "NC", /* GPIO31 */
67 "CAM_GPIO1", /* GPIO32 */
68 "NC", /* GPIO33 */
69 "NC", /* GPIO34 */
70 "PWR_LOW_N", /* GPIO35 */
71 "NC", /* GPIO36 */
72 "NC", /* GPIO37 */
73 "USB_LIMIT", /* GPIO38 */
74 "NC", /* GPIO39 */
75 "PWM0_OUT", /* GPIO40 */
76 "CAM_GPIO0", /* GPIO41 */
77 "NC", /* GPIO42 */
78 "NC", /* GPIO43 */
79 "NC", /* GPIO44 */
80 "PWM1_OUT", /* GPIO45 */
81 "HDMI_HPD_N",
82 "STATUS_LED",
83 /* Used by SD Card */
84 "SD_CLK_R",
85 "SD_CMD_R",
86 "SD_DATA0_R",
87 "SD_DATA1_R",
88 "SD_DATA2_R",
89 "SD_DATA3_R";
90
91 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]92
93 /* I2S interface */
94 i2s_alt0: i2s_alt0 {
95 brcm,pins = <18 19 20 21>;
96 brcm,function = <BCM2835_FSEL_ALT0>;
97 };
98};
99
100&hdmi {
101 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
102};
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]103
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]104&pwm {
105 pinctrl-names = "default";
106 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
107 status = "okay";
108};
109
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]110&uart0 {
111 pinctrl-names = "default";
112 pinctrl-0 = <&uart0_gpio14>;
113 status = "okay";
114};