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 8aab8092ad35..80f4c94c7bef 100644 --- a/Documentation/ABI/testing/sysfs-gpio +++ b/Documentation/ABI/testing/sysfs-gpio | |||
| @@ -19,6 +19,7 @@ Description: | |||
| 19 | /gpioN ... for each exported GPIO #N | 19 | /gpioN ... for each exported GPIO #N |
| 20 | /value ... always readable, writes fail for input GPIOs | 20 | /value ... always readable, writes fail for input GPIOs |
| 21 | /direction ... r/w as: in, out (default low); write: high, low | 21 | /direction ... r/w as: in, out (default low); write: high, low |
| 22 | /edge ... r/w as: none, falling, rising, both | ||
| 22 | /gpiochipN ... for each gpiochip; #N is its first GPIO | 23 | /gpiochipN ... for each gpiochip; #N is its first GPIO |
| 23 | /base ... (r/o) same as N | 24 | /base ... (r/o) same as N |
| 24 | /label ... (r/o) descriptive, not necessarily unique | 25 | /label ... (r/o) descriptive, not necessarily unique |