GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / boot / dts / bcm2835-rpi-a-plus.dts
1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi"
5 #include "bcm283x-rpi-usb-host.dtsi"
6
7 / {
8         compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
9         model = "Raspberry Pi Model A+";
10
11         leds {
12                 act {
13                         gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
14                 };
15
16                 pwr {
17                         label = "PWR";
18                         gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
19                         default-state = "keep";
20                         linux,default-trigger = "default-on";
21                 };
22         };
23 };
24
25 &gpio {
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          */
34         gpio-line-names = "SDA0",
35                           "SCL0",
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>;
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 };
103
104 &pwm {
105         pinctrl-names = "default";
106         pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
107         status = "okay";
108 };
109
110 &uart0 {
111         pinctrl-names = "default";
112         pinctrl-0 = <&uart0_gpio14>;
113         status = "okay";
114 };