[PATCH V2 0/2] Add AMD I3C master controller driver and bindings

Manikanta Guntupalli
2025-09-14T20:33:29Z

This patch series introduces support for the AMD I3C master controller,
including the device tree binding and driver implementation.

Changes for V2:
Updated commit subject and description.
Moved allOf to after required.
Removed xlnx,num-targets property.
Added mixed mode support with clock configuration.
Converted smaller functions into inline functions.
Used FIELD_GET() in xi3c_get_response().
Updated xi3c_master_rd_from_rx_fifo() to use cmd->rx_buf.
Used parity8() for address parity calculation.
Added guards for locks.
Dropped num_targets and updated xi3c_master_do_daa().
Used __free(kfree) in xi3c_master_send_bdcast_ccc_cmd().
Dropped PM runtime support.
Updated xi3c_master_read() and xi3c_master_write() with
xi3c_is_resp_available() check.
Created separate functions: xi3c_master_init() and xi3c_master_reinit().
Used xi3c_master_init() in bus initialization and xi3c_master_reinit()
in error paths.
Added DAA structure to xi3c_master structure.

Manikanta Guntupalli (2):
dt-bindings: i3c: Add AMD I3C master controller support
i3c: master: Add AMD I3C bus controller driver

.../devicetree/bindings/i3c/xlnx,axi-i3c.yaml | 53 +
MAINTAINERS | 7 +
drivers/i3c/master/Kconfig | 16 +
drivers/i3c/master/Makefile | 1 +
drivers/i3c/master/amd-i3c-master.c | 1009 +++++++++++++++++
5 files changed, 1086 insertions(+)
create mode 100644 Documentation/devicetree/bindings/i3c/xlnx,axi-i3c.yaml
create mode 100644 drivers/i3c/master/amd-i3c-master.c

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2.34.1