1 // SPDX-License-Identifier: GPL-2.0+ 1 // SPDX-License-Identifier: GPL-2.0+
2 /* 2 /*
3 * Copyright (C) 2017 Stefan Wahren <stefan.wah 3 * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
4 */ 4 */
5 5
6 /dts-v1/; 6 /dts-v1/;
7 #include "bcm2835.dtsi" 7 #include "bcm2835.dtsi"
8 #include "bcm2835-rpi.dtsi" 8 #include "bcm2835-rpi.dtsi"
9 #include "bcm2835-rpi-common.dtsi" 9 #include "bcm2835-rpi-common.dtsi"
10 #include "bcm283x-rpi-led-deprecated.dtsi" 10 #include "bcm283x-rpi-led-deprecated.dtsi"
11 #include "bcm283x-rpi-usb-otg.dtsi" 11 #include "bcm283x-rpi-usb-otg.dtsi"
12 #include "bcm283x-rpi-wifi-bt.dtsi" 12 #include "bcm283x-rpi-wifi-bt.dtsi"
13 13
14 / { 14 / {
15 compatible = "raspberrypi,model-zero-w 15 compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
16 model = "Raspberry Pi Zero W"; 16 model = "Raspberry Pi Zero W";
17 17
18 memory@0 { 18 memory@0 {
19 device_type = "memory"; 19 device_type = "memory";
20 reg = <0 0x20000000>; 20 reg = <0 0x20000000>;
21 }; 21 };
22 22
23 chosen { 23 chosen {
24 /* 8250 auxiliary UART instead 24 /* 8250 auxiliary UART instead of pl011 */
25 stdout-path = "serial1:115200n 25 stdout-path = "serial1:115200n8";
26 }; 26 };
27 }; 27 };
28 28
29 &bt { 29 &bt {
30 shutdown-gpios = <&gpio 45 GPIO_ACTIVE 30 shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
31 }; 31 };
32 32
33 &gpio { 33 &gpio {
34 /* 34 /*
35 * This is based on the official GPU f 35 * This is based on the official GPU firmware DT blob.
36 * 36 *
37 * Legend: 37 * Legend:
38 * "FOO" = GPIO line named "FOO" on th 38 * "FOO" = GPIO line named "FOO" on the schematic
39 * "FOO_N" = GPIO line named "FOO" on 39 * "FOO_N" = GPIO line named "FOO" on schematic, active low
40 */ 40 */
41 gpio-line-names = "ID_SDA", 41 gpio-line-names = "ID_SDA",
42 "ID_SCL", 42 "ID_SCL",
43 "SDA1", 43 "SDA1",
44 "SCL1", 44 "SCL1",
45 "GPIO_GCLK", 45 "GPIO_GCLK",
46 "GPIO5", 46 "GPIO5",
47 "GPIO6", 47 "GPIO6",
48 "SPI_CE1_N", 48 "SPI_CE1_N",
49 "SPI_CE0_N", 49 "SPI_CE0_N",
50 "SPI_MISO", 50 "SPI_MISO",
51 "SPI_MOSI", 51 "SPI_MOSI",
52 "SPI_SCLK", 52 "SPI_SCLK",
53 "GPIO12", 53 "GPIO12",
54 "GPIO13", 54 "GPIO13",
55 /* Serial port */ 55 /* Serial port */
56 "TXD0", 56 "TXD0",
57 "RXD0", 57 "RXD0",
58 "GPIO16", 58 "GPIO16",
59 "GPIO17", 59 "GPIO17",
60 "GPIO18", 60 "GPIO18",
61 "GPIO19", 61 "GPIO19",
62 "GPIO20", 62 "GPIO20",
63 "GPIO21", 63 "GPIO21",
64 "GPIO22", 64 "GPIO22",
65 "GPIO23", 65 "GPIO23",
66 "GPIO24", 66 "GPIO24",
67 "GPIO25", 67 "GPIO25",
68 "GPIO26", 68 "GPIO26",
69 "GPIO27", 69 "GPIO27",
70 "SDA0", 70 "SDA0",
71 "SCL0", 71 "SCL0",
72 /* Used by BT module 72 /* Used by BT module */
73 "CTS0", 73 "CTS0",
74 "RTS0", 74 "RTS0",
75 "TXD0", 75 "TXD0",
76 "RXD0", 76 "RXD0",
77 /* Used by Wifi */ 77 /* Used by Wifi */
78 "SD1_CLK", 78 "SD1_CLK",
79 "SD1_CMD", 79 "SD1_CMD",
80 "SD1_DATA0", 80 "SD1_DATA0",
81 "SD1_DATA1", 81 "SD1_DATA1",
82 "SD1_DATA2", 82 "SD1_DATA2",
83 "SD1_DATA3", 83 "SD1_DATA3",
84 "CAM_GPIO1", /* GPIO 84 "CAM_GPIO1", /* GPIO40 */
85 "WL_ON", /* GPIO41 * 85 "WL_ON", /* GPIO41 */
86 "", /* GPIO42 */ 86 "", /* GPIO42 */
87 "WIFI_CLK", /* GPIO4 87 "WIFI_CLK", /* GPIO43 */
88 "CAM_GPIO0", /* GPIO 88 "CAM_GPIO0", /* GPIO44 */
89 "BT_ON", /* GPIO45 * 89 "BT_ON", /* GPIO45 */
90 "HDMI_HPD_N", 90 "HDMI_HPD_N",
91 "STATUS_LED_N", 91 "STATUS_LED_N",
92 /* Used by SD Card * 92 /* Used by SD Card */
93 "SD_CLK_R", 93 "SD_CLK_R",
94 "SD_CMD_R", 94 "SD_CMD_R",
95 "SD_DATA0_R", 95 "SD_DATA0_R",
96 "SD_DATA1_R", 96 "SD_DATA1_R",
97 "SD_DATA2_R", 97 "SD_DATA2_R",
98 "SD_DATA3_R"; 98 "SD_DATA3_R";
99 99
100 pinctrl-names = "default"; 100 pinctrl-names = "default";
101 pinctrl-0 = <&gpioout &alt0>; 101 pinctrl-0 = <&gpioout &alt0>;
102 }; 102 };
103 103
104 &hdmi { 104 &hdmi {
105 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW> 105 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
106 power-domains = <&power RPI_POWER_DOMA 106 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
107 status = "okay"; 107 status = "okay";
108 }; 108 };
109 109
110 &led_act { 110 &led_act {
111 gpios = <&gpio 47 GPIO_ACTIVE_LOW>; 111 gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
112 }; 112 };
113 113
114 &sdhci { 114 &sdhci {
115 pinctrl-names = "default"; 115 pinctrl-names = "default";
116 pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio 116 pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
117 }; 117 };
118 118
119 &sdhost { 119 &sdhost {
120 pinctrl-names = "default"; 120 pinctrl-names = "default";
121 pinctrl-0 = <&sdhost_gpio48>; 121 pinctrl-0 = <&sdhost_gpio48>;
122 bus-width = <4>; 122 bus-width = <4>;
123 status = "okay"; 123 status = "okay";
124 }; 124 };
125 125
126 &uart0 { 126 &uart0 {
127 pinctrl-names = "default"; 127 pinctrl-names = "default";
128 pinctrl-0 = <&uart0_gpio32 &uart0_ctsr 128 pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
129 }; 129 };
130 130
131 &uart1 { 131 &uart1 {
132 pinctrl-names = "default"; 132 pinctrl-names = "default";
133 pinctrl-0 = <&uart1_gpio14>; 133 pinctrl-0 = <&uart1_gpio14>;
134 status = "okay"; 134 status = "okay";
135 }; 135 };
136 136
137 &wifi_pwrseq { 137 &wifi_pwrseq {
138 reset-gpios = <&gpio 41 GPIO_ACTIVE_LO 138 reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
139 }; 139 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.