summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
blob: efea891b1a76ea0a32fd74950bd1fa179a73acfe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "bcm2711.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm283x-rpi-usb-peripheral.dtsi"

/ {
	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
	model = "Raspberry Pi 4 Model B";

	chosen {
		/* 8250 auxiliary UART instead of pl011 */
		stdout-path = "serial1:115200n8";
	};

	/* Will be filled by the bootloader */
	memory@0 {
		device_type = "memory";
		reg = <0 0 0>;
	};

	aliases {
		ethernet0 = &genet;
		pcie0 = &pcie0;
	};

	leds {
		act {
			gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
		};

		pwr {
			label = "PWR";
			gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
			default-state = "keep";
			linux,default-trigger = "default-on";
		};
	};

	wifi_pwrseq: wifi-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>;
	};

	sd_io_1v8_reg: sd_io_1v8_reg {
		compatible = "regulator-gpio";
		regulator-name = "vdd-sd-io";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
		regulator-settling-time-us = <5000>;
		gpios = <&expgpio 4 GPIO_ACTIVE_HIGH>;
		states = <1800000 0x1
			  3300000 0x0>;
		status = "okay";
	};
};

&firmware {
	expgpio: gpio {
		compatible = "raspberrypi,firmware-gpio";
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "BT_ON",
				  "WL_ON",
				  "PWR_LED_OFF",
				  "GLOBAL_RESET",
				  "VDD_SD_IO_SEL",
				  "CAM_GPIO",
				  "",
				  "";
		status = "okay";
	};
};

&pwm1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;
	status = "okay";
};

/* SDHCI is used to control the SDIO for wireless */
&sdhci {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-names = "default";
	pinctrl-0 = <&emmc_gpio34>;
	bus-width = <4>;
	non-removable;
	mmc-pwrseq = <&wifi_pwrseq>;
	status = "okay";

	brcmf: wifi@1 {
		reg = <1>;
		compatible = "brcm,bcm4329-fmac";
	};
};

/* EMMC2 is used to drive the SD card */
&emmc2 {
	vqmmc-supply = <&sd_io_1v8_reg>;
	broken-cd;
	status = "okay";
};

&genet {
	phy-handle = <&phy1>;
	phy-mode = "rgmii-rxid";
	status = "okay";
};

&genet_mdio {
	phy1: ethernet-phy@1 {
		/* No PHY interrupt */
		reg = <0x1>;
	};
};

/* uart0 communicates with the BT module */
&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_ctsrts_gpio30 &uart0_gpio32>;
	uart-has-rtscts;
	status = "okay";

	bluetooth {
		compatible = "brcm,bcm43438-bt";
		max-speed = <2000000>;
		shutdown-gpios = <&expgpio 0 GPIO_ACTIVE_HIGH>;
	};
};

/* uart1 is mapped to the pin header */
&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart1_gpio14>;
	status = "okay";
};

&vchiq {
	interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
};