1 Kernel driver xgene-hwmon 1 Kernel driver xgene-hwmon
2 ========================= 2 =========================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * APM X-Gene SoC 6 * APM X-Gene SoC
7 7
8 Description 8 Description
9 ----------- 9 -----------
10 10
11 This driver adds hardware temperature and powe 11 This driver adds hardware temperature and power reading support for
12 APM X-Gene SoC using the mailbox communication 12 APM X-Gene SoC using the mailbox communication interface.
13 For device tree, it is the standard DT mailbox 13 For device tree, it is the standard DT mailbox.
14 For ACPI, it is the PCC mailbox. 14 For ACPI, it is the PCC mailbox.
15 15
16 The following sensors are supported 16 The following sensors are supported
17 17
18 * Temperature 18 * Temperature
19 - SoC on-die temperature in milli-degree 19 - SoC on-die temperature in milli-degree C
20 - Alarm when high/over temperature occur 20 - Alarm when high/over temperature occurs
21 21
22 * Power 22 * Power
23 - CPU power in uW 23 - CPU power in uW
24 - IO power in uW 24 - IO power in uW
25 25
26 sysfs-Interface 26 sysfs-Interface
27 --------------- 27 ---------------
28 28
29 temp0_input 29 temp0_input
30 - SoC on-die temperature (milli-degree 30 - SoC on-die temperature (milli-degree C)
31 temp0_critical_alarm 31 temp0_critical_alarm
32 - An 1 would indicates on-die temperat 32 - An 1 would indicates on-die temperature exceeded threshold
33 power0_input 33 power0_input
34 - CPU power in (uW) 34 - CPU power in (uW)
35 power1_input 35 power1_input
36 - IO power in (uW) 36 - IO power in (uW)
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