2020-04-29 23:02:09

by Akira shimahara

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

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 <[email protected]>
---
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 <[email protected]>
+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