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-usb-host.dtsi" 7 #include "bcm283x-rpi-usb-host.dtsi"
8 8
9 / { 9 / {
10 compatible = "raspberrypi,model-a-plus 10 compatible = "raspberrypi,model-a-plus", "brcm,bcm2835";
11 model = "Raspberry Pi Model A+"; 11 model = "Raspberry Pi Model A+";
12 12
13 memory@0 { 13 memory@0 {
14 device_type = "memory"; 14 device_type = "memory";
15 reg = <0 0x10000000>; 15 reg = <0 0x10000000>;
16 }; 16 };
17 }; 17 };
18 18
19 &gpio { 19 &gpio {
20 /* 20 /*
21 * This is based on the unreleased sch 21 * This is based on the unreleased schematic for the Model A+.
22 * 22 *
23 * Legend: 23 * Legend:
24 * "FOO" = GPIO line named "FOO" on th 24 * "FOO" = GPIO line named "FOO" on the schematic
25 * "FOO_N" = GPIO line named "FOO" on 25 * "FOO_N" = GPIO line named "FOO" on schematic, active low
26 */ 26 */
27 gpio-line-names = "ID_SDA", 27 gpio-line-names = "ID_SDA",
28 "ID_SCL", 28 "ID_SCL",
29 "SDA1", 29 "SDA1",
30 "SCL1", 30 "SCL1",
31 "GPIO_GCLK", 31 "GPIO_GCLK",
32 "GPIO5", 32 "GPIO5",
33 "GPIO6", 33 "GPIO6",
34 "SPI_CE1_N", 34 "SPI_CE1_N",
35 "SPI_CE0_N", 35 "SPI_CE0_N",
36 "SPI_MISO", 36 "SPI_MISO",
37 "SPI_MOSI", 37 "SPI_MOSI",
38 "SPI_SCLK", 38 "SPI_SCLK",
39 "GPIO12", 39 "GPIO12",
40 "GPIO13", 40 "GPIO13",
41 /* Serial port */ 41 /* Serial port */
42 "TXD0", 42 "TXD0",
43 "RXD0", 43 "RXD0",
44 "GPIO16", 44 "GPIO16",
45 "GPIO17", 45 "GPIO17",
46 "GPIO18", 46 "GPIO18",
47 "GPIO19", 47 "GPIO19",
48 "GPIO20", 48 "GPIO20",
49 "GPIO21", 49 "GPIO21",
50 "GPIO22", 50 "GPIO22",
51 "GPIO23", 51 "GPIO23",
52 "GPIO24", 52 "GPIO24",
53 "GPIO25", 53 "GPIO25",
54 "GPIO26", 54 "GPIO26",
55 "GPIO27", 55 "GPIO27",
56 "SDA0", 56 "SDA0",
57 "SCL0", 57 "SCL0",
58 "", /* GPIO30 */ 58 "", /* GPIO30 */
59 "", /* GPIO31 */ 59 "", /* GPIO31 */
60 "CAM_GPIO1", /* GPIO 60 "CAM_GPIO1", /* GPIO32 */
61 "", /* GPIO33 */ 61 "", /* GPIO33 */
62 "", /* GPIO34 */ 62 "", /* GPIO34 */
63 "PWR_LOW_N", /* GPIO 63 "PWR_LOW_N", /* GPIO35 */
64 "", /* GPIO36 */ 64 "", /* GPIO36 */
65 "", /* GPIO37 */ 65 "", /* GPIO37 */
66 "USB_LIMIT", /* GPIO 66 "USB_LIMIT", /* GPIO38 */
67 "", /* GPIO39 */ 67 "", /* GPIO39 */
68 "PWM0_OUT", /* GPIO4 68 "PWM0_OUT", /* GPIO40 */
69 "CAM_GPIO0", /* GPIO 69 "CAM_GPIO0", /* GPIO41 */
70 "", /* GPIO42 */ 70 "", /* GPIO42 */
71 "", /* GPIO43 */ 71 "", /* GPIO43 */
72 "", /* GPIO44 */ 72 "", /* GPIO44 */
73 "PWM1_OUT", /* GPIO4 73 "PWM1_OUT", /* GPIO45 */
74 "HDMI_HPD_N", 74 "HDMI_HPD_N",
75 "STATUS_LED", 75 "STATUS_LED",
76 /* Used by SD Card * 76 /* Used by SD Card */
77 "SD_CLK_R", 77 "SD_CLK_R",
78 "SD_CMD_R", 78 "SD_CMD_R",
79 "SD_DATA0_R", 79 "SD_DATA0_R",
80 "SD_DATA1_R", 80 "SD_DATA1_R",
81 "SD_DATA2_R", 81 "SD_DATA2_R",
82 "SD_DATA3_R"; 82 "SD_DATA3_R";
83 83
84 pinctrl-names = "default"; <<
85 pinctrl-0 = <&gpioout &alt0 &i2s_alt0> 84 pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
86 85
87 /* I2S interface */ 86 /* I2S interface */
88 i2s_alt0: i2s_alt0 { 87 i2s_alt0: i2s_alt0 {
89 brcm,pins = <18 19 20 21>; 88 brcm,pins = <18 19 20 21>;
90 brcm,function = <BCM2835_FSEL_ 89 brcm,function = <BCM2835_FSEL_ALT0>;
91 }; 90 };
92 }; 91 };
93 92
94 &hdmi { 93 &hdmi {
95 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW> 94 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
96 power-domains = <&power RPI_POWER_DOMA 95 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
97 status = "okay"; 96 status = "okay";
98 }; 97 };
99 98
100 &led_act { 99 &led_act {
101 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>; 100 gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
102 }; 101 };
103 102
104 &leds { 103 &leds {
105 led-pwr { 104 led-pwr {
106 label = "PWR"; 105 label = "PWR";
107 gpios = <&gpio 35 GPIO_ACTIVE_ 106 gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
108 default-state = "keep"; 107 default-state = "keep";
109 linux,default-trigger = "defau 108 linux,default-trigger = "default-on";
110 }; 109 };
111 }; 110 };
112 111
113 &pwm { 112 &pwm {
114 pinctrl-names = "default"; 113 pinctrl-names = "default";
115 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45 114 pinctrl-0 = <&pwm0_gpio40 &pwm1_gpio45>;
116 status = "okay"; 115 status = "okay";
117 }; 116 };
118 117
119 &sdhost { 118 &sdhost {
120 pinctrl-names = "default"; 119 pinctrl-names = "default";
121 pinctrl-0 = <&sdhost_gpio48>; 120 pinctrl-0 = <&sdhost_gpio48>;
122 bus-width = <4>; 121 bus-width = <4>;
123 status = "okay"; 122 status = "okay";
124 }; 123 };
125 124
126 &uart0 { 125 &uart0 {
127 pinctrl-names = "default"; 126 pinctrl-names = "default";
128 pinctrl-0 = <&uart0_gpio14>; 127 pinctrl-0 = <&uart0_gpio14>;
129 status = "okay"; 128 status = "okay";
130 }; 129 };
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