regulator: Export regulator name via sysfs

Provide a new file 'name' in the regulator sysfs class with a human
readable name for the regulator for use in applications.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 13 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-class-regulator b/Documentation/ABI/testing/sysfs-class-regulator
index 84e66fdad028..3731f6f29bcb 100644
--- a/Documentation/ABI/testing/sysfs-class-regulator
+++ b/Documentation/ABI/testing/sysfs-class-regulator
@@ -157,6 +157,19 @@ Description:
                 platform code.
 
 
+What:           /sys/class/regulator/.../name
+Date:           October 2008
+KernelVersion:  2.6.28
+Contact:        Liam Girdwood <lrg@slimlogic.co.uk>
+Description:
+                Each regulator directory will contain a field called
+                name. This holds a string identifying the regulator for
+                display purposes.
+
+                NOTE: this will be empty if no suitable name is provided
+                by platform or regulator drivers.
+
+
 What:           /sys/class/regulator/.../num_users
 Date:           April 2008
 KernelVersion:  2.6.26