diff options
| author | Dipen Patel <dipenp@nvidia.com> | 2022-04-22 13:52:16 -0700 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2022-05-04 11:06:13 +0200 |
| commit | 42112dd77b74220e6a1f4a71bb51ca3f583d3842 (patch) | |
| tree | f186d4d8142a785199f546cd16974de097e2f0f2 /drivers/gpio/gpiolib.h | |
| parent | e6a3a65be8e4dc6fc74fdb28483ba5b997aab6aa (diff) | |
| download | linux-42112dd77b74220e6a1f4a71bb51ca3f583d3842.tar.bz2 | |
gpiolib: Add HTE support
Some GPIO chip can provide hardware timestamp support on its GPIO lines
, in order to support that, additional API needs to be added which
can talk to both GPIO chip and HTE (hardware timestamping engine)
providers if there is any dependencies. This patch introduces optional
hooks to enable and disable hardware timestamping related features
in the GPIO controller chip.
Signed-off-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpio/gpiolib.h')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 06f3faa9fbef..29a7d39062b3 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -158,6 +158,7 @@ struct gpio_desc { #define FLAG_EDGE_RISING 16 /* GPIO CDEV detects rising edge events */ #define FLAG_EDGE_FALLING 17 /* GPIO CDEV detects falling edge events */ #define FLAG_EVENT_CLOCK_REALTIME 18 /* GPIO CDEV reports REALTIME timestamps in events */ +#define FLAG_EVENT_CLOCK_HTE 19 /* GPIO CDEV reports hardware timestamps in events */ /* Connection label */ const char *label; |