diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-gpio')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-gpio | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-gpio b/Documentation/ABI/testing/sysfs-gpio index 8aab8092ad3..80f4c94c7be 100644 --- a/Documentation/ABI/testing/sysfs-gpio +++ b/Documentation/ABI/testing/sysfs-gpio @@ -19,6 +19,7 @@ Description: /gpioN ... for each exported GPIO #N /value ... always readable, writes fail for input GPIOs /direction ... r/w as: in, out (default low); write: high, low + /edge ... r/w as: none, falling, rising, both /gpiochipN ... for each gpiochip; #N is its first GPIO /base ... (r/o) same as N /label ... (r/o) descriptive, not necessarily unique |