diff options
author | Maxime Ripard <maxime@cerno.tech> | 2020-05-27 18:47:32 +0300 |
---|---|---|
committer | Philipp Zabel <p.zabel@pengutronix.de> | 2020-06-16 15:19:57 +0300 |
commit | a9701376ed0fb61a5be4bb438daf26bd9cfa24b5 (patch) | |
tree | fc9c93aee04c97d35c490be563b940984cc4558c /include/linux/reset | |
parent | 9357b04624013294e4204b1a837d0a611b9048c3 (diff) | |
download | linux-a9701376ed0fb61a5be4bb438daf26bd9cfa24b5.tar.xz |
reset: simple: Add reset callback
The reset-simple code lacks a reset callback that is still pretty easy to
implement. The only real thing to consider is the delay needed for a device
to be reset, so let's expose that as part of the reset-simple driver data.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'include/linux/reset')
-rw-r--r-- | include/linux/reset/reset-simple.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/reset/reset-simple.h b/include/linux/reset/reset-simple.h index 08ccb25a55e6..c3e44f45b0f7 100644 --- a/include/linux/reset/reset-simple.h +++ b/include/linux/reset/reset-simple.h @@ -27,6 +27,12 @@ * @status_active_low: if true, bits read back as cleared while the reset is * asserted. Otherwise, bits read back as set while the * reset is asserted. + * @reset_us: Minimum delay in microseconds needed that needs to be + * waited for between an assert and a deassert to reset the + * device. If multiple consumers with different delay + * requirements are connected to this controller, it must + * be the largest minimum delay. 0 means that such a delay is + * unknown and the reset operation is unsupported. */ struct reset_simple_data { spinlock_t lock; @@ -34,6 +40,7 @@ struct reset_simple_data { struct reset_controller_dev rcdev; bool active_low; bool status_active_low; + unsigned int reset_us; }; extern const struct reset_control_ops reset_simple_ops; |