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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 006ef34bd436fbd3ea42cdf7de66d1a665527a4b / . / arch / arm / dts / bcm2835-rpi-a-plus.dts
blob: 40b9405f1a8e439e7396bb728238eddea73d5602 [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
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]11 memory@0 {
12 device_type = "memory";
13 reg = <0 0x10000000>;
14 };
15
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]16 leds {
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]17 led-act {
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]18 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]19 };
20
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]21 led-pwr {
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]22 label = "PWR";
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]23 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]24 default-state = "keep";
25 linux,default-trigger = "default-on";
26 };
27 };
28};
29
30&gpio {
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]31 /*
32 * This is based on the unreleased schematic for the Model A+.
33 *
34 * Legend:
35 * "NC" = not connected (no rail from the SoC)
36 * "FOO" = GPIO line named "FOO" on the schematic
37 * "FOO_N" = GPIO line named "FOO" on schematic, active low
38 */
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]39 gpio-line-names = "ID_SDA",
40 "ID_SCL",
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]41 "SDA1",
42 "SCL1",
43 "GPIO_GCLK",
44 "GPIO5",
45 "GPIO6",
46 "SPI_CE1_N",
47 "SPI_CE0_N",
48 "SPI_MISO",
49 "SPI_MOSI",
50 "SPI_SCLK",
51 "GPIO12",
52 "GPIO13",
53 /* Serial port */
54 "TXD0",
55 "RXD0",
56 "GPIO16",
57 "GPIO17",
58 "GPIO18",
59 "GPIO19",
60 "GPIO20",
61 "GPIO21",
62 "GPIO22",
63 "GPIO23",
64 "GPIO24",
65 "GPIO25",
66 "GPIO26",
67 "GPIO27",
68 "SDA0",
69 "SCL0",
70 "NC", /* GPIO30 */
71 "NC", /* GPIO31 */
72 "CAM_GPIO1", /* GPIO32 */
73 "NC", /* GPIO33 */
74 "NC", /* GPIO34 */
75 "PWR_LOW_N", /* GPIO35 */
76 "NC", /* GPIO36 */
77 "NC", /* GPIO37 */
78 "USB_LIMIT", /* GPIO38 */
79 "NC", /* GPIO39 */
80 "PWM0_OUT", /* GPIO40 */
81 "CAM_GPIO0", /* GPIO41 */
82 "NC", /* GPIO42 */
83 "NC", /* GPIO43 */
84 "NC", /* GPIO44 */
85 "PWM1_OUT", /* GPIO45 */
86 "HDMI_HPD_N",
87 "STATUS_LED",
88 /* Used by SD Card */
89 "SD_CLK_R",
90 "SD_CMD_R",
91 "SD_DATA0_R",
92 "SD_DATA1_R",
93 "SD_DATA2_R",
94 "SD_DATA3_R";
95
96 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]97
98 /* I2S interface */
99 i2s_alt0: i2s_alt0 {
100 brcm,pins = <18 19 20 21>;
101 brcm,function = <BCM2835_FSEL_ALT0>;
102 };
103};
104
105&hdmi {
106 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]107 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
108 status = "okay";
Fabian Vogt46025582016-09-26 14:26:47 +0200[diff] [blame]109};
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]110
Heinrich Schuchardt143256b2019-04-28 06:46:57 +0200[diff] [blame]111&pwm {
112 pinctrl-names = "default";
113 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
114 status = "okay";
115};
116
Simon Glass9ae600e2021-12-16 20:59:13 -0700[diff] [blame]117&sdhost {
118 pinctrl-names = "default";
119 pinctrl-0 = <&sdhost_gpio48>;
120 bus-width = <4>;
121 status = "okay";
122};
123
Alexander Graf409f05f2017-10-04 14:39:16 +0200[diff] [blame]124&uart0 {
125 pinctrl-names = "default";
126 pinctrl-0 = <&uart0_gpio14>;
127 status = "okay";
128};