[PATCH v3 0/5] reset: Introduce reset_reset.*() API
Michal Simek
michal.simek at amd.com
Wed May 13 11:42:05 CEST 2026
Hi,
the patchset is adding reset_reset.*() interface which is common
in Linux. And implement it for ZynqMP.
Thanks,
Michal
Changes in v3:
- extend function documentation
- align commit message with implementation
- new patch in series
Changes in v2:
- Add delay_us parameter to specify delay between assert and deassert
- Pass delay_us to rst_reset op so drivers can use it if needed
- Return -ENOSYS in stubs when !CONFIG_DM_RESET (like clk.h)
- Fix line length to stay within 80 characters
- Add reset_count field to track reset pulse operations
- Implement sandbox_reset_reset() for rst_reset op
- Add sandbox_reset_get_count() to query reset pulse count
- Clear reset_count when reset is requested
- Update tests to verify reset pulse actually happened
- Pass 10us via parameter
Michal Simek (5):
reset: Add reset_reset() and reset_reset_bulk() API
reset: Add sandbox tests for reset_reset() and reset_reset_bulk()
reset: sandbox: Cover reset_reset() fallback with second sandbox
provider
spi: cadence: Use reset_reset_bulk() for proper reset cycling
reset: zynqmp: Implement rst_reset using PM_RESET_ACTION_PULSE
arch/sandbox/dts/test.dts | 10 ++-
arch/sandbox/include/asm/reset.h | 3 +
drivers/reset/reset-uclass.c | 34 ++++++++++
drivers/reset/reset-zynqmp.c | 11 ++++
drivers/reset/sandbox-reset-test.c | 14 ++++
drivers/reset/sandbox-reset.c | 58 ++++++++++++++++
drivers/spi/cadence_qspi.c | 16 ++---
include/reset-uclass.h | 19 ++++++
include/reset.h | 49 ++++++++++++++
test/dm/reset.c | 102 +++++++++++++++++++++++++++++
10 files changed, 302 insertions(+), 14 deletions(-)
--
2.43.0
base-commit: 36d4c653580824b16574560b21d4401614d8b68e
branch: xnext/reset
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