ACPI / DPTF: Document dptf_power sysfs atttributes

The descriptions have been collected from git commit logs and reading
through code.

Signed-off-by: Aishwarya Pant <aishpant@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/Documentation/ABI/testing/sysfs-platform-dptf b/Documentation/ABI/testing/sysfs-platform-dptf
new file mode 100644 (file)
index 0000000..325dc06
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-dptf
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+What:          /sys/bus/platform/devices/INT3407:00/dptf_power/charger_type
+Date:          Jul, 2016
+KernelVersion: v4.10
+Contact:       linux-acpi@vger.kernel.org
+Description:
+               (RO) The charger type - Traditional, Hybrid or NVDC.
+
+What:          /sys/bus/platform/devices/INT3407:00/dptf_power/adapter_rating_mw
+Date:          Jul, 2016
+KernelVersion: v4.10
+Contact:       linux-acpi@vger.kernel.org
+Description:
+               (RO) Adapter rating in milliwatts (the maximum Adapter power).
+               Must be 0 if no AC Adaptor is plugged in.
+
+What:          /sys/bus/platform/devices/INT3407:00/dptf_power/max_platform_power_mw
+Date:          Jul, 2016
+KernelVersion: v4.10
+Contact:       linux-acpi@vger.kernel.org
+Description:
+               (RO) Maximum platform power that can be supported by the battery
+               in milliwatts.
+
+What:          /sys/bus/platform/devices/INT3407:00/dptf_power/platform_power_source
+Date:          Jul, 2016
+KernelVersion: v4.10
+Contact:       linux-acpi@vger.kernel.org
+Description:
+               (RO) Display the platform power source
+               0x00 = DC
+               0x01 = AC
+               0x02 = USB
+               0x03 = Wireless Charger
+
+What:          /sys/bus/platform/devices/INT3407:00/dptf_power/battery_steady_power
+Date:          Jul, 2016
+KernelVersion: v4.10
+Contact:       linux-acpi@vger.kernel.org
+Description:
+               (RO) The maximum sustained power for battery in milliwatts.