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-smsc9512.dtsi" 7 #include "bcm283x-rpi-smsc9512.dtsi"
8 #include "bcm283x-rpi-usb-host.dtsi" 8 #include "bcm283x-rpi-usb-host.dtsi"
9 9
10 / { 10 / {
11 compatible = "raspberrypi,model-b-rev2 11 compatible = "raspberrypi,model-b-rev2", "brcm,bcm2835";
12 model = "Raspberry Pi Model B rev2"; 12 model = "Raspberry Pi Model B rev2";
13 13
14 memory@0 { 14 memory@0 {
15 device_type = "memory"; 15 device_type = "memory";
16 reg = <0 0x10000000>; 16 reg = <0 0x10000000>;
17 }; 17 };
18 }; 18 };
19 19
20 &gpio { 20 &gpio {
21 /* 21 /*
22 * Taken from Raspberry-Pi-Rev-2.0-Mod 22 * Taken from Raspberry-Pi-Rev-2.0-Model-AB-Schematics.pdf
23 * RPI00022 sheet 02 23 * RPI00022 sheet 02
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 = "SDA0", 29 gpio-line-names = "SDA0",
30 "SCL0", 30 "SCL0",
31 "SDA1", 31 "SDA1",
32 "SCL1", 32 "SCL1",
33 "GPIO_GCLK", 33 "GPIO_GCLK",
34 "CAM_CLK", 34 "CAM_CLK",
35 "LAN_RUN", 35 "LAN_RUN",
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 "STATUS_LED_N", 46 "STATUS_LED_N",
47 "GPIO17", 47 "GPIO17",
48 "GPIO18", 48 "GPIO18",
49 "", /* GPIO19 */ 49 "", /* GPIO19 */
50 "", /* GPIO20 */ 50 "", /* GPIO20 */
51 "CAM_GPIO", 51 "CAM_GPIO",
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 "GPIO28", 58 "GPIO28",
59 "GPIO29", 59 "GPIO29",
60 "GPIO30", 60 "GPIO30",
61 "GPIO31", 61 "GPIO31",
62 "", /* GPIO32 */ 62 "", /* GPIO32 */
63 "", /* GPIO33 */ 63 "", /* GPIO33 */
64 "", /* GPIO34 */ 64 "", /* GPIO34 */
65 "", /* GPIO35 */ 65 "", /* GPIO35 */
66 "", /* GPIO36 */ 66 "", /* GPIO36 */
67 "", /* GPIO37 */ 67 "", /* GPIO37 */
68 "", /* GPIO38 */ 68 "", /* GPIO38 */
69 "", /* GPIO39 */ 69 "", /* GPIO39 */
70 "PWM0_OUT", 70 "PWM0_OUT",
71 "", /* GPIO41 */ 71 "", /* GPIO41 */
72 "", /* GPIO42 */ 72 "", /* GPIO42 */
73 "", /* GPIO43 */ 73 "", /* GPIO43 */
74 "", /* GPIO44 */ 74 "", /* GPIO44 */
75 "PWM1_OUT", 75 "PWM1_OUT",
76 "HDMI_HPD_P", 76 "HDMI_HPD_P",
77 "SD_CARD_DET", 77 "SD_CARD_DET",
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"; <<
87 pinctrl-0 = <&gpioout &alt0 &i2s_alt2> 86 pinctrl-0 = <&gpioout &alt0 &i2s_alt2>;
88 87
89 /* I2S interface */ 88 /* I2S interface */
90 i2s_alt2: i2s_alt2 { 89 i2s_alt2: i2s_alt2 {
91 brcm,pins = <28 29 30 31>; 90 brcm,pins = <28 29 30 31>;
92 brcm,function = <BCM2835_FSEL_ 91 brcm,function = <BCM2835_FSEL_ALT2>;
93 }; 92 };
94 }; 93 };
95 94
96 &hdmi { 95 &hdmi {
97 hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH 96 hpd-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
98 power-domains = <&power RPI_POWER_DOMA 97 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
99 status = "okay"; 98 status = "okay";
100 }; 99 };
101 100
102 &led_act { 101 &led_act {
103 gpios = <&gpio 16 GPIO_ACTIVE_LOW>; 102 gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
104 }; 103 };
105 104
106 &pwm { 105 &pwm {
107 pinctrl-names = "default"; 106 pinctrl-names = "default";
108 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45 107 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
109 status = "okay"; 108 status = "okay";
110 }; 109 };
111 110
112 &sdhost { 111 &sdhost {
113 pinctrl-names = "default"; 112 pinctrl-names = "default";
114 pinctrl-0 = <&sdhost_gpio48>; 113 pinctrl-0 = <&sdhost_gpio48>;
115 bus-width = <4>; 114 bus-width = <4>;
116 status = "okay"; 115 status = "okay";
117 }; 116 };
118 117
119 &uart0 { 118 &uart0 {
120 pinctrl-names = "default"; 119 pinctrl-names = "default";
121 pinctrl-0 = <&uart0_gpio14>; 120 pinctrl-0 = <&uart0_gpio14>;
122 status = "okay"; 121 status = "okay";
123 }; 122 };
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