Blame view

kernel/linux-rt-4.4.41/arch/arm/boot/dts/at91sam9x5cm.dtsi 1.67 KB
5113f6f70   김현기   kernel add
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
  /*
   * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
   *
   *  Copyright (C) 2012 Atmel,
   *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
   *
   * Licensed under GPLv2 or later.
   */
  
  / {
  	memory {
  		reg = <0x20000000 0x8000000>;
  	};
  
  	clocks {
  		slow_xtal {
  			clock-frequency = <32768>;
  		};
  
  		main_xtal {
  			clock-frequency = <12000000>;
  		};
  	};
  
  	ahb {
  		apb {
  			pinctrl@fffff400 {
  				1wire_cm {
  					pinctrl_1wire_cm: 1wire_cm-0 {
  						atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
  					};
  				};
  			};
  
  			rtc@fffffeb0 {
  				status = "okay";
  			};
  		};
  
  		nand0: nand@40000000 {
  			nand-bus-width = <8>;
  			nand-ecc-mode = "hw";
  			atmel,has-pmecc;	/* Enable PMECC */
  			atmel,pmecc-cap = <2>;
  			atmel,pmecc-sector-size = <512>;
  			nand-on-flash-bbt;
  			status = "okay";
  
  			at91bootstrap@0 {
  				label = "at91bootstrap";
  				reg = <0x0 0x40000>;
  			};
  
  			uboot@40000 {
  				label = "u-boot";
  				reg = <0x40000 0x80000>;
  			};
  
  			ubootenv@c0000 {
  				label = "U-Boot Env";
  				reg = <0xc0000 0x140000>;
  			};
  
  			kernel@200000 {
  				label = "kernel";
  				reg = <0x200000 0x600000>;
  			};
  
  			rootfs@800000 {
  				label = "rootfs";
  				reg = <0x800000 0x1f800000>;
  			};
  		};
  	};
  
  	leds {
  		compatible = "gpio-leds";
  
  		pb18 {
  			label = "pb18";
  			gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
  			linux,default-trigger = "heartbeat";
  		};
  
  		pd21 {
  			label = "pd21";
  			gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
  		};
  	};
  
  	1wire_cm {
  		compatible = "w1-gpio";
  		gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
  		linux,open-drain;
  		pinctrl-names = "default";
  		pinctrl-0 = <&pinctrl_1wire_cm>;
  		status = "okay";
  	};
  
  };