1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/; 2 /dts-v1/;
3 #include "bcm2835.dtsi" 3 #include "bcm2835.dtsi"
4 #include "bcm2835-rpi.dtsi" 4 #include "bcm2835-rpi.dtsi"
5 #include "bcm2835-rpi-common.dtsi" 5 #include "bcm2835-rpi-common.dtsi"
6 #include "bcm283x-rpi-led-deprecated.dtsi" 6 #include "bcm283x-rpi-led-deprecated.dtsi"
7 #include "bcm283x-rpi-smsc9514.dtsi" 7 #include "bcm283x-rpi-smsc9514.dtsi"
8 #include "bcm283x-rpi-usb-host.dtsi" 8 #include "bcm283x-rpi-usb-host.dtsi"
9 9
10 / { 10 / {
11 compatible = "raspberrypi,model-b-plus 11 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
12 model = "Raspberry Pi Model B+"; 12 model = "Raspberry Pi Model B+";
13 13
14 memory@0 { 14 memory@0 {
15 device_type = "memory"; 15 device_type = "memory";
16 reg = <0 0x20000000>; 16 reg = <0 0x20000000>;
17 }; 17 };
18 }; 18 };
19 19
20 &gpio { 20 &gpio {
21 /* 21 /*
22 * Taken from Raspberry-Pi-B-Plus-V1.2 22 * Taken from Raspberry-Pi-B-Plus-V1.2-Schematics.pdf
23 * RPI-BPLUS sheet 1 23 * RPI-BPLUS sheet 1
24 * 24 *
25 * Legend: 25 * Legend:
26 * "FOO" = GPIO line named "FOO" on th 26 * "FOO" = GPIO line named "FOO" on the schematic
27 * "FOO_N" = GPIO line named "FOO" on 27 * "FOO_N" = GPIO line named "FOO" on schematic, active low
28 */ 28 */
29 gpio-line-names = "ID_SDA", 29 gpio-line-names = "ID_SDA",
30 "ID_SCL", 30 "ID_SCL",
31 "SDA1", 31 "SDA1",
32 "SCL1", 32 "SCL1",
33 "GPIO_GCLK", 33 "GPIO_GCLK",
34 "GPIO5", 34 "GPIO5",
35 "GPIO6", 35 "GPIO6",
36 "SPI_CE1_N", 36 "SPI_CE1_N",
37 "SPI_CE0_N", 37 "SPI_CE0_N",
38 "SPI_MISO", 38 "SPI_MISO",
39 "SPI_MOSI", 39 "SPI_MOSI",
40 "SPI_SCLK", 40 "SPI_SCLK",
41 "GPIO12", 41 "GPIO12",
42 "GPIO13", 42 "GPIO13",
43 /* Serial port */ 43 /* Serial port */
44 "TXD0", 44 "TXD0",
45 "RXD0", 45 "RXD0",
46 "GPIO16", 46 "GPIO16",
47 "GPIO17", 47 "GPIO17",
48 "GPIO18", 48 "GPIO18",
49 "GPIO19", 49 "GPIO19",
50 "GPIO20", 50 "GPIO20",
51 "GPIO21", 51 "GPIO21",
52 "GPIO22", 52 "GPIO22",
53 "GPIO23", 53 "GPIO23",
54 "GPIO24", 54 "GPIO24",
55 "GPIO25", 55 "GPIO25",
56 "GPIO26", 56 "GPIO26",
57 "GPIO27", 57 "GPIO27",
58 "SDA0", 58 "SDA0",
59 "SCL0", 59 "SCL0",
60 "", /* GPIO30 */ 60 "", /* GPIO30 */
61 "LAN_RUN", /* GPIO31 61 "LAN_RUN", /* GPIO31 */
62 "CAM_GPIO1", /* GPIO 62 "CAM_GPIO1", /* GPIO32 */
63 "", /* GPIO33 */ 63 "", /* GPIO33 */
64 "", /* GPIO34 */ 64 "", /* GPIO34 */
65 "PWR_LOW_N", /* GPIO 65 "PWR_LOW_N", /* GPIO35 */
66 "", /* GPIO36 */ 66 "", /* GPIO36 */
67 "", /* GPIO37 */ 67 "", /* GPIO37 */
68 "USB_LIMIT", /* GPIO 68 "USB_LIMIT", /* GPIO38 */
69 "", /* GPIO39 */ 69 "", /* GPIO39 */
70 "PWM0_OUT", /* GPIO4 70 "PWM0_OUT", /* GPIO40 */
71 "CAM_GPIO0", /* GPIO 71 "CAM_GPIO0", /* GPIO41 */
72 "", /* GPIO42 */ 72 "", /* GPIO42 */
73 "", /* GPIO43 */ 73 "", /* GPIO43 */
74 "ETH_CLK", /* GPIO44 74 "ETH_CLK", /* GPIO44 */
75 "PWM1_OUT", /* GPIO4 75 "PWM1_OUT", /* GPIO45 */
76 "HDMI_HPD_N", 76 "HDMI_HPD_N",
77 "STATUS_LED", 77 "STATUS_LED",
78 /* Used by SD Card * 78 /* Used by SD Card */
79 "SD_CLK_R", 79 "SD_CLK_R",
80 "SD_CMD_R", 80 "SD_CMD_R",
81 "SD_DATA0_R", 81 "SD_DATA0_R",
82 "SD_DATA1_R", 82 "SD_DATA1_R",
83 "SD_DATA2_R", 83 "SD_DATA2_R",
84 "SD_DATA3_R"; 84 "SD_DATA3_R";
85 85
86 pinctrl-names = "default"; 86 pinctrl-names = "default";
87 pinctrl-0 = <&gpioout &alt0 &i2s_alt0> 87 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
88 88
89 /* I2S interface */ 89 /* I2S interface */
90 i2s_alt0: i2s_alt0 { 90 i2s_alt0: i2s_alt0 {
91 brcm,pins = <18 19 20 21>; 91 brcm,pins = <18 19 20 21>;
92 brcm,function = <BCM2835_FSEL_ 92 brcm,function = <BCM2835_FSEL_ALT0>;
93 }; 93 };
94 }; 94 };
95 95
96 &hdmi { 96 &hdmi {
97 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW> 97 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
98 power-domains = <&power RPI_POWER_DOMA 98 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
99 status = "okay"; 99 status = "okay";
100 }; 100 };
101 101
102 &led_act { 102 &led_act {
103 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; 103 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
104 }; 104 };
105 105
106 &leds { 106 &leds {
107 led-pwr { 107 led-pwr {
108 label = "PWR"; 108 label = "PWR";
109 gpios = <&gpio 35 GPIO_ACTIVE_ 109 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
110 default-state = "keep"; 110 default-state = "keep";
111 linux,default-trigger = "defau 111 linux,default-trigger = "default-on";
112 }; 112 };
113 }; 113 };
114 114
115 &pwm { 115 &pwm {
116 pinctrl-names = "default"; 116 pinctrl-names = "default";
117 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45 117 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
118 status = "okay"; 118 status = "okay";
119 }; 119 };
120 120
121 &sdhost { 121 &sdhost {
122 pinctrl-names = "default"; 122 pinctrl-names = "default";
123 pinctrl-0 = <&sdhost_gpio48>; 123 pinctrl-0 = <&sdhost_gpio48>;
124 bus-width = <4>; 124 bus-width = <4>;
125 status = "okay"; 125 status = "okay";
126 }; 126 };
127 127
128 &uart0 { 128 &uart0 {
129 pinctrl-names = "default"; 129 pinctrl-names = "default";
130 pinctrl-0 = <&uart0_gpio14>; 130 pinctrl-0 = <&uart0_gpio14>;
131 status = "okay"; 131 status = "okay";
132 }; 132 };
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