[PATCH v4 3/9] w1_therm: adding sysfs-driver-w1_therm documentation

[Akira Shimahara]

Adding a sysfs-driver-w1_therm documentation file in
Documentation/ABI/testing. It describe the onlys sysfs entry of w1_therm
module, based on Documentation/w1/slaves/w1_therm.rst

Signed-off-by: Akira Shimahara <akira215corp@xxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-driver-w1_therm | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-w1_therm

diff --git a/Documentation/ABI/testing/sysfs-driver-w1_therm b/Documentation/ABI/testing/sysfs-driver-w1_therm
new file mode 100644
index 0000000..4108f4c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-w1_therm
@@ -0,0 +1,17 @@
+What:		/sys/bus/w1/devices/.../w1_slave
+Date:		Apr 2020
+Contact:	Akira Shimahara <akira215corp@xxxxxxxxx>
+Description:
+		(RW) return the temperature in 1/1000 degC.
+		*read*: return 2 lines with the hexa output data sent on the
+		bus, return the CRC check and temperature in 1/1000 degC
+		*write* :
+			* `0` : save the 2 or 3 bytes to the device EEPROM
+			(i.e. TH, TL and config register)
+			* `9..12` : set the device resolution in RAM
+			(if supported)
+			* Anything else: do nothing
+		refer to Documentation/w1/slaves/w1_therm.rst for detailed
+		information.
+Users:		any user space application which wants to communicate with
+		w1_term device
\ No newline at end of file
-- 
2.26.2