1 Kernel driver pxe1610 1 Kernel driver pxe1610
2 ===================== 2 =====================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * Infineon PXE1610 6 * Infineon PXE1610
7 7
8 Prefix: 'pxe1610' 8 Prefix: 'pxe1610'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheet: Datasheet is not publicly avail 12 Datasheet: Datasheet is not publicly available.
13 13
14 * Infineon PXE1110 14 * Infineon PXE1110
15 15
16 Prefix: 'pxe1110' 16 Prefix: 'pxe1110'
17 17
18 Addresses scanned: - 18 Addresses scanned: -
19 19
20 Datasheet: Datasheet is not publicly avail 20 Datasheet: Datasheet is not publicly available.
21 21
22 * Infineon PXM1310 22 * Infineon PXM1310
23 23
24 Prefix: 'pxm1310' 24 Prefix: 'pxm1310'
25 25
26 Addresses scanned: - 26 Addresses scanned: -
27 27
28 Datasheet: Datasheet is not publicly avail 28 Datasheet: Datasheet is not publicly available.
29 29
30 Author: Vijay Khemka <vijaykhemka@fb.com> 30 Author: Vijay Khemka <vijaykhemka@fb.com>
31 31
32 32
33 Description 33 Description
34 ----------- 34 -----------
35 35
36 PXE1610/PXE1110 are Multi-rail/Multiphase Digi 36 PXE1610/PXE1110 are Multi-rail/Multiphase Digital Controllers
37 and compliant to 37 and compliant to
38 38
39 - Intel VR13 DC-DC converter specifica 39 - Intel VR13 DC-DC converter specifications.
40 - Intel SVID protocol. 40 - Intel SVID protocol.
41 41
42 Used for Vcore power regulation for Intel VR13 42 Used for Vcore power regulation for Intel VR13 based microprocessors
43 43
44 - Servers, Workstations, and High-end 44 - Servers, Workstations, and High-end desktops
45 45
46 PXM1310 is a Multi-rail Controller and it is c 46 PXM1310 is a Multi-rail Controller and it is compliant to
47 47
48 - Intel VR13 DC-DC converter specifica 48 - Intel VR13 DC-DC converter specifications.
49 - Intel SVID protocol. 49 - Intel SVID protocol.
50 50
51 Used for DDR3/DDR4 Memory power regulation for 51 Used for DDR3/DDR4 Memory power regulation for Intel VR13 and
52 IMVP8 based systems 52 IMVP8 based systems
53 53
54 54
55 Usage Notes 55 Usage Notes
56 ----------- 56 -----------
57 57
58 This driver does not probe for PMBus devices. 58 This driver does not probe for PMBus devices. You will have
59 to instantiate devices explicitly. 59 to instantiate devices explicitly.
60 60
61 Example: the following commands will load the 61 Example: the following commands will load the driver for an PXE1610
62 at address 0x70 on I2C bus #4:: 62 at address 0x70 on I2C bus #4::
63 63
64 # modprobe pxe1610 64 # modprobe pxe1610
65 # echo pxe1610 0x70 > /sys/bus/i2c/devices 65 # echo pxe1610 0x70 > /sys/bus/i2c/devices/i2c-4/new_device
66 66
67 It can also be instantiated by declaring in de 67 It can also be instantiated by declaring in device tree
68 68
69 69
70 Sysfs attributes 70 Sysfs attributes
71 ---------------- 71 ----------------
72 72
73 ====================== ====================== 73 ====================== ====================================
74 curr1_label "iin" 74 curr1_label "iin"
75 curr1_input Measured input current 75 curr1_input Measured input current
76 curr1_alarm Current high alarm 76 curr1_alarm Current high alarm
77 77
78 curr[2-4]_label "iout[1-3]" 78 curr[2-4]_label "iout[1-3]"
79 curr[2-4]_input Measured output curren 79 curr[2-4]_input Measured output current
80 curr[2-4]_crit Critical maximum curre 80 curr[2-4]_crit Critical maximum current
81 curr[2-4]_crit_alarm Current critical high 81 curr[2-4]_crit_alarm Current critical high alarm
82 82
83 in1_label "vin" 83 in1_label "vin"
84 in1_input Measured input voltage 84 in1_input Measured input voltage
85 in1_crit Critical maximum input 85 in1_crit Critical maximum input voltage
86 in1_crit_alarm Input voltage critical 86 in1_crit_alarm Input voltage critical high alarm
87 87
88 in[2-4]_label "vout[1-3]" 88 in[2-4]_label "vout[1-3]"
89 in[2-4]_input Measured output voltag 89 in[2-4]_input Measured output voltage
90 in[2-4]_lcrit Critical minimum outpu 90 in[2-4]_lcrit Critical minimum output voltage
91 in[2-4]_lcrit_alarm Output voltage critica 91 in[2-4]_lcrit_alarm Output voltage critical low alarm
92 in[2-4]_crit Critical maximum outpu 92 in[2-4]_crit Critical maximum output voltage
93 in[2-4]_crit_alarm Output voltage critica 93 in[2-4]_crit_alarm Output voltage critical high alarm
94 94
95 power1_label "pin" 95 power1_label "pin"
96 power1_input Measured input power 96 power1_input Measured input power
97 power1_alarm Input power high alarm 97 power1_alarm Input power high alarm
98 98
99 power[2-4]_label "pout[1-3]" 99 power[2-4]_label "pout[1-3]"
100 power[2-4]_input Measured output power 100 power[2-4]_input Measured output power
101 101
102 temp[1-3]_input Measured temperature 102 temp[1-3]_input Measured temperature
103 temp[1-3]_crit Critical high temperat 103 temp[1-3]_crit Critical high temperature
104 temp[1-3]_crit_alarm Chip temperature criti 104 temp[1-3]_crit_alarm Chip temperature critical high alarm
105 temp[1-3]_max Maximum temperature 105 temp[1-3]_max Maximum temperature
106 temp[1-3]_max_alarm Chip temperature high 106 temp[1-3]_max_alarm Chip temperature high alarm
107 ====================== ====================== 107 ====================== ====================================
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