tree 03288f50fbe0a23c0a7dd0e04f8fe15456054d2f
parent 2a75e4f2b53ac355bf6dea353e691e5da29ed4fc
author Simon Glass <sjg@chromium.org> 1600800343 -0600
committer Bin Meng <bmeng.cn@gmail.com> 1601004446 +0800

acpi: Add more documentation for struct acpi_gpio

Add some documentation provided by Andy Shevchenko to describe how to
use struct acpi_gpio.

Signed-off-by: Simon Glass <sjg@chromium.org>