~sircmpwn/linux

linux/arch/arm/boot/dts/intel-ixp43x-gateworks-gw2358.dts -rw-r--r-- 1.8 KiB
a99d8080 — Linus Torvalds Linux 5.4-rc6 11 months ago
                                                                                
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
// SPDX-License-Identifier: ISC
/*
 * Device Tree file for Gateworks IXP43x-based Cambria GW2358
 */

/dts-v1/;

#include "intel-ixp43x.dtsi"

/ {
	model = "Gateworks Cambria GW2358";
	compatible = "gateworks,gw2358", "intel,ixp43x";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		/* 128 MB SDRAM */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
		stdout-path = "uart0:115200n8";
	};

	aliases {
		serial0 = &uart0;
	};

	leds {
		compatible = "gpio-leds";
		led-user {
			label = "gw2358:green:LED";
			gpios = <&pld1 0 GPIO_ACTIVE_LOW>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};


	i2c {
		compatible = "i2c-gpio";
		sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
		scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
		#address-cells = <1>;
		#size-cells = <0>;

		hwmon@28 {
			compatible = "adi,ad7418";
			reg = <0x28>;
		};
		rtc: ds1672@68 {
			compatible = "dallas,ds1672";
			reg = <0x68>;
		};
		eeprom@51 {
			compatible = "atmel,24c08";
			reg = <0x51>;
			pagesize = <16>;
			size = <1024>;
			read-only;
		};
		pld0: pld@56 {
			compatible = "gateworks,pld-gpio";
			reg = <0x56>;
			gpio-controller;
			#gpio-cells = <2>;
		};
		/* This PLD just handles the LED and user button */
		pld1: pld@57 {
			compatible = "gateworks,pld-gpio";
			reg = <0x57>;
			gpio-controller;
			#gpio-cells = <2>;
		};
	};

	flash@50000000 {
		compatible = "intel,ixp4xx-flash", "cfi-flash";
		bank-width = <2>;
		/*
		 * 32 MB of Flash in 0x20000 byte blocks
		 * mapped in at 0x50000000
		 */
		reg = <0x50000000 0x2000000>;

		partitions {
			compatible = "redboot-fis";
			/* Eraseblock at 0x1fe0000 */
			fis-index-block = <0xff>;
		};
	};
};