summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/am335x-bone.dts
blob: 2c338889df1bd308e8e76da28148a0434a830ca0 (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
/*
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
/dts-v1/;

/include/ "am33xx.dtsi"

/ {
	model = "TI AM335x BeagleBone";
	compatible = "ti,am335x-bone", "ti,am33xx";

	cpus {
		cpu@0 {
			cpu0-supply = <&dcdc2_reg>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x80000000 0x10000000>; /* 256 MB */
	};

	am33xx_pinmux: pinmux@44e10800 {
		pinctrl-names = "default";
		pinctrl-0 = <&user_leds_s0>;

		user_leds_s0: user_leds_s0 {
			pinctrl-single,pins = <
				0x54 0x7	/* gpmc_a5.gpio1_21, OUTPUT | MODE7 */
				0x58 0x17	/* gpmc_a6.gpio1_22, OUTPUT_PULLUP | MODE7 */
				0x5c 0x7	/* gpmc_a7.gpio1_23, OUTPUT | MODE7 */
				0x60 0x17	/* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */
			>;
		};
	};

	ocp {
		uart1: serial@44e09000 {
			status = "okay";
		};

		i2c1: i2c@44e0b000 {
			status = "okay";
			clock-frequency = <400000>;

			tps: tps@24 {
				reg = <0x24>;
			};

		};
	};

	leds {
		compatible = "gpio-leds";

		led@2 {
			label = "beaglebone:green:heartbeat";
			gpios = <&gpio2 21 0>;
			linux,default-trigger = "heartbeat";
			default-state = "off";
		};

		led@3 {
			label = "beaglebone:green:mmc0";
			gpios = <&gpio2 22 0>;
			linux,default-trigger = "mmc0";
			default-state = "off";
		};

		led@4 {
			label = "beaglebone:green:usr2";
			gpios = <&gpio2 23 0>;
			default-state = "off";
		};

		led@5 {
			label = "beaglebone:green:usr3";
			gpios = <&gpio2 24 0>;
			default-state = "off";
		};
	};
};

/include/ "tps65217.dtsi"

&tps {
	regulators {
		dcdc1_reg: regulator@0 {
			regulator-always-on;
		};

		dcdc2_reg: regulator@1 {
			/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
			regulator-name = "vdd_mpu";
			regulator-min-microvolt = <925000>;
			regulator-max-microvolt = <1325000>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc3_reg: regulator@2 {
			/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
			regulator-name = "vdd_core";
			regulator-min-microvolt = <925000>;
			regulator-max-microvolt = <1150000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo1_reg: regulator@3 {
			regulator-always-on;
		};

		ldo2_reg: regulator@4 {
			regulator-always-on;
		};

		ldo3_reg: regulator@5 {
			regulator-always-on;
		};

		ldo4_reg: regulator@6 {
			regulator-always-on;
		};
	};
};