diff mbox series

[v1,2/6] ABI: sysfs-class-hwmon: add a description for fanY_fault

Message ID 20221104193657.105130-3-nick.hawkins@hpe.com (mailing list archive)
State New, archived
Headers show
Series ARM: Add GXP Fan and SPI controllers | expand

Commit Message

Hawkins, Nick Nov. 4, 2022, 7:36 p.m. UTC 
From: Nick Hawkins <nick.hawkins@hpe.com>

The fans are capable of reporting a fault to the CPLD controller which
then reports it to the GXP SoC via PLREGS. This patch enables hwmon to
be able to report these failures up to the HOST OS.

Signed-off-by: Nick Hawkins <nick.hawkins@hpe.com>
---
 Documentation/ABI/testing/sysfs-class-hwmon | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon
index 7271781a23b2..638f4c6d4ec7 100644
--- a/Documentation/ABI/testing/sysfs-class-hwmon
+++ b/Documentation/ABI/testing/sysfs-class-hwmon
@@ -276,6 +276,15 @@  Description:
 
 		RW
 
+What:		/sys/class/hwmon/hwmonX/fanY_fault
+Description:
+		Reports if a fan has reported failure.
+
+		- 1: Failed
+		- 0: Ok
+
+		RO
+
 What:		/sys/class/hwmon/hwmonX/pwmY
 Description:
 		Pulse width modulation fan control.