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1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
4 */
5
6/dts-v1/;
7#include "bcm2835.dtsi"
8#include "bcm2835-rpi.dtsi"
9#include "bcm2835-rpi-common.dtsi"
10#include "bcm283x-rpi-led-deprecated.dtsi"
11#include "bcm283x-rpi-usb-otg.dtsi"
12#include "bcm283x-rpi-wifi-bt.dtsi"
13
14/ {
15 compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
16 model = "Raspberry Pi Zero W";
17
18 memory@0 {
19 device_type = "memory";
20 reg = <0 0x20000000>;
21 };
22
23 chosen {
24 /* 8250 auxiliary UART instead of pl011 */
25 stdout-path = "serial1:115200n8";
26 };
27};
28
29&bt {
30 shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
31};
32
33&gpio {
34 /*
35 * This is based on the official GPU firmware DT blob.
36 *
37 * Legend:
38 * "FOO" = GPIO line named "FOO" on the schematic
39 * "FOO_N" = GPIO line named "FOO" on schematic, active low
40 */
41 gpio-line-names = "ID_SDA",
42 "ID_SCL",
43 "SDA1",
44 "SCL1",
45 "GPIO_GCLK",
46 "GPIO5",
47 "GPIO6",
48 "SPI_CE1_N",
49 "SPI_CE0_N",
50 "SPI_MISO",
51 "SPI_MOSI",
52 "SPI_SCLK",
53 "GPIO12",
54 "GPIO13",
55 /* Serial port */
56 "TXD0",
57 "RXD0",
58 "GPIO16",
59 "GPIO17",
60 "GPIO18",
61 "GPIO19",
62 "GPIO20",
63 "GPIO21",
64 "GPIO22",
65 "GPIO23",
66 "GPIO24",
67 "GPIO25",
68 "GPIO26",
69 "GPIO27",
70 "SDA0",
71 "SCL0",
72 /* Used by BT module */
73 "CTS0",
74 "RTS0",
75 "TXD0",
76 "RXD0",
77 /* Used by Wifi */
78 "SD1_CLK",
79 "SD1_CMD",
80 "SD1_DATA0",
81 "SD1_DATA1",
82 "SD1_DATA2",
83 "SD1_DATA3",
84 "CAM_GPIO1", /* GPIO40 */
85 "WL_ON", /* GPIO41 */
86 "", /* GPIO42 */
87 "WIFI_CLK", /* GPIO43 */
88 "CAM_GPIO0", /* GPIO44 */
89 "BT_ON", /* GPIO45 */
90 "HDMI_HPD_N",
91 "STATUS_LED_N",
92 /* Used by SD Card */
93 "SD_CLK_R",
94 "SD_CMD_R",
95 "SD_DATA0_R",
96 "SD_DATA1_R",
97 "SD_DATA2_R",
98 "SD_DATA3_R";
99
100 pinctrl-0 = <&gpioout &alt0>;
101};
102
103&hdmi {
104 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
105 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
106 status = "okay";
107};
108
109&led_act {
110 gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
111};
112
113&sdhci {
114 pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
115};
116
117&sdhost {
118 pinctrl-names = "default";
119 pinctrl-0 = <&sdhost_gpio48>;
120 bus-width = <4>;
121 status = "okay";
122};
123
124&uart0 {
125 pinctrl-names = "default";
126 pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
127};
128
129&uart1 {
130 pinctrl-names = "default";
131 pinctrl-0 = <&uart1_gpio14>;
132 status = "okay";
133};
134
135&wifi_pwrseq {
136 reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
137};
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (C) 2017 Stefan Wahren <stefan.wahren@i2se.com>
4 */
5
6/dts-v1/;
7#include "bcm2835.dtsi"
8#include "bcm2835-rpi.dtsi"
9#include "bcm283x-rpi-usb-otg.dtsi"
10
11/ {
12 compatible = "raspberrypi,model-zero-w", "brcm,bcm2835";
13 model = "Raspberry Pi Zero W";
14
15 memory@0 {
16 device_type = "memory";
17 reg = <0 0x20000000>;
18 };
19
20 chosen {
21 /* 8250 auxiliary UART instead of pl011 */
22 stdout-path = "serial1:115200n8";
23 };
24
25 leds {
26 led-act {
27 gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
28 };
29 };
30
31 wifi_pwrseq: wifi-pwrseq {
32 compatible = "mmc-pwrseq-simple";
33 reset-gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
34 };
35};
36
37&gpio {
38 /*
39 * This is based on the official GPU firmware DT blob.
40 *
41 * Legend:
42 * "NC" = not connected (no rail from the SoC)
43 * "FOO" = GPIO line named "FOO" on the schematic
44 * "FOO_N" = GPIO line named "FOO" on schematic, active low
45 */
46 gpio-line-names = "ID_SDA",
47 "ID_SCL",
48 "SDA1",
49 "SCL1",
50 "GPIO_GCLK",
51 "GPIO5",
52 "GPIO6",
53 "SPI_CE1_N",
54 "SPI_CE0_N",
55 "SPI_MISO",
56 "SPI_MOSI",
57 "SPI_SCLK",
58 "GPIO12",
59 "GPIO13",
60 /* Serial port */
61 "TXD0",
62 "RXD0",
63 "GPIO16",
64 "GPIO17",
65 "GPIO18",
66 "GPIO19",
67 "GPIO20",
68 "GPIO21",
69 "GPIO22",
70 "GPIO23",
71 "GPIO24",
72 "GPIO25",
73 "GPIO26",
74 "GPIO27",
75 "SDA0",
76 "SCL0",
77 "NC", /* GPIO30 */
78 "NC", /* GPIO31 */
79 "NC", /* GPIO32 */
80 "NC", /* GPIO33 */
81 "NC", /* GPIO34 */
82 "NC", /* GPIO35 */
83 "NC", /* GPIO36 */
84 "NC", /* GPIO37 */
85 "NC", /* GPIO38 */
86 "NC", /* GPIO39 */
87 "CAM_GPIO1", /* GPIO40 */
88 "WL_ON", /* GPIO41 */
89 "NC", /* GPIO42 */
90 "WIFI_CLK", /* GPIO43 */
91 "CAM_GPIO0", /* GPIO44 */
92 "BT_ON", /* GPIO45 */
93 "HDMI_HPD_N",
94 "STATUS_LED_N",
95 /* Used by SD Card */
96 "SD_CLK_R",
97 "SD_CMD_R",
98 "SD_DATA0_R",
99 "SD_DATA1_R",
100 "SD_DATA2_R",
101 "SD_DATA3_R";
102
103 pinctrl-0 = <&gpioout &alt0>;
104};
105
106&hdmi {
107 hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
108 power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
109 status = "okay";
110};
111
112&sdhci {
113 #address-cells = <1>;
114 #size-cells = <0>;
115 pinctrl-names = "default";
116 pinctrl-0 = <&emmc_gpio34 &gpclk2_gpio43>;
117 bus-width = <4>;
118 mmc-pwrseq = <&wifi_pwrseq>;
119 non-removable;
120 status = "okay";
121
122 brcmf: wifi@1 {
123 reg = <1>;
124 compatible = "brcm,bcm4329-fmac";
125 };
126};
127
128&sdhost {
129 pinctrl-names = "default";
130 pinctrl-0 = <&sdhost_gpio48>;
131 bus-width = <4>;
132 status = "okay";
133};
134
135&uart0 {
136 pinctrl-names = "default";
137 pinctrl-0 = <&uart0_gpio32 &uart0_ctsrts_gpio30>;
138 status = "okay";
139
140 bluetooth {
141 compatible = "brcm,bcm43438-bt";
142 max-speed = <2000000>;
143 shutdown-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
144 };
145};
146
147&uart1 {
148 pinctrl-names = "default";
149 pinctrl-0 = <&uart1_gpio14>;
150 status = "okay";
151};