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| author | Dirk Behme <dirk.behme@gmail.com> | 2015-09-02 21:07:10 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-09-14 10:12:03 +0300 |
| commit | 87e77e46c61a9333227ab41cdefb1875758a4f13 (patch) | |
| tree | aff0adbf941230d730c489b6532a1fdec1f13986 /Documentation/gpio/consumer.txt | |
| parent | 69de52ba321dda8dd7f632d1e480983494325ba0 (diff) | |
| download | linux-87e77e46c61a9333227ab41cdefb1875758a4f13.tar.xz | |
Documentation: gpio: board: describe the con_id parameter
The con_id parameter has to match the GPIO description and is automatically
extended by the GPIO suffix if not NULL. I had to look into the code to
understand this and properly find the GPIO I've been looking for, so document
this.
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation/gpio/consumer.txt')
| -rw-r--r-- | Documentation/gpio/consumer.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/gpio/consumer.txt b/Documentation/gpio/consumer.txt index a206639454ab..e000502fde20 100644 --- a/Documentation/gpio/consumer.txt +++ b/Documentation/gpio/consumer.txt @@ -39,6 +39,9 @@ device that displays digits), an additional index argument can be specified: const char *con_id, unsigned int idx, enum gpiod_flags flags) +For a more detailed description of the con_id parameter in the DeviceTree case +see Documentation/gpio/board.txt + The flags parameter is used to optionally specify a direction and initial value for the GPIO. Values can be: |