[PATCH v3 0/2] firmware: arm_scmi: clock: support parents commands

Peng Fan (OSS)
2023-10-01T04:34:55Z

V2:
Add determine_rate hooks

SCMI v3.2 spec adds parents commands, this patchset is to support them:
CLOCK_POSSIBLE_PARENTS_GET
CLOCK_PARENT_SET
CLOCK_PARENT_GET

Besides firmware api clock driver update, the clk_scmi driver also
updated to support set_parent and get_parent ops.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
Changes in v3:
Address Cristian's comments:
- Drop SCMI_MAX_NUM_PARENTS, alloc memory dynamically
- Check clk_id, parent_id
- Add comment for parent_get/set
- Link to v2: https://lore.kernel.org/r/20230925-scmi-clock-v2-v2-0-2d4d7127ebc1@nxp.com

---
Peng Fan (2):
firmware: arm_scmi: clock: support clock parents
clk: scmi: add set/get_parent support

drivers/clk/clk-scmi.c | 50 ++++++++++-
drivers/firmware/arm_scmi/clock.c | 182 ++++++++++++++++++++++++++++++++++++--
include/linux/scmi_protocol.h | 6 ++
3 files changed, 231 insertions(+), 7 deletions(-)
---
base-commit: 8fff9184d1b5810dca5dd1a02726d4f844af88fc
change-id: 20230925-scmi-clock-v2-042cf8e5cb77

Best regards,
--
Peng Fan <peng.fan@nxp.com>