[PATCH kernel-hwmon-occ 08/10] add description to README.md

[OpenBMC Patches]

From: adamliyi <adamliyi at msn.com>

---
 README.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/README.md b/README.md
index f417f67..874824d 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,20 @@
 # kernel-hwmon-occ
 hwmon driver for the openpower OCC. BMC uses it to read CPU sensor data via OCC (On-Chip-Controller).
 It is part of openbmc.
+
+After building, a kernel module named "occ.ko" is generated.
+
+The driver exposed bellow HWMON interface:
+
+*_input: means sensor_value.
+*_label: means sensor_id
+
+root at palmetto:~# ls /sys/class/hwmon/hwmon0/
+device        freq4_input   power2_input  temp1_input   temp4_label   temp8_input
+freq1_input   freq4_label   power2_label  temp1_label   temp5_input   temp8_label
+freq1_label   name          power3_input  temp2_input   temp5_label   temp9_input
+freq2_input   of_node       power3_label  temp2_label   temp6_input   temp9_label
+freq2_label   power         power4_input  temp3_input   temp6_label   uevent
+freq3_input   power1_input  power4_label  temp3_label   temp7_input
+freq3_label   power1_label  subsystem     temp4_input   temp7_label
+
-- 
2.6.3