i3c driver for renesas · Supported

Maintainers

• M Wolfram Sang <wsa+renesas@sang-engineering.com>
• M Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>

Paths

• F Documentation/devicetree/bindings/i3c/renesas,i3c.yaml
• F drivers/i3c/master/renesas-i3c.c

Last 30 days

Most active threads (last 7 days)

• [PATCH 00/17] i3c: renesas: Suspend to RAM with power loss and runtime PM
  2026-05-23 10:24 · 18 replies in 7d · Claudiu Beznea <claudiu.beznea@kernel.org>

Recent patches

Most-recent 30 patches in this subsystem on linux-i3c (capped at 30), ordered by date desc.

• Re: [PATCH 06/17] i3c: renesas: Reset the controller on resume
  2026-05-23 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 17/17] i3c: renesas: Add runtime PM support
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 16/17] i3c: renesas: Drop unnecessary tab
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 15/17] i3c: renesas: Use the "dev_name:irq_name" format for the interrupt name
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 14/17] i3c: renesas: Organize structures to avoid unnecessary padding
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 13/17] i3c: renesas: Update HW registers after SW computations are done
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 12/17] i3c: renesas: Drop the explicit memset() call
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 11/17] i3c: renesas: Follow a unified pattern for transfer and command initialization
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 10/17] i3c: renesas: Return immediately if there is nothing to transfer
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 09/17] i3c: renesas: Use reset_control_bulk_{assert, deassert}()
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 08/17] i3c: renesas: Clean DATBAS register on detach
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 07/17] i3c: renesas: Perform Dynamic Address Assignment on resume
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 06/17] i3c: renesas: Reset the controller on resume
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 05/17] i3c: renesas: Fix re-attach
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 04/17] i3c: renesas: Follow the reset deassert order used in probe
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 03/17] i3c: renesas: Restore STDBR and EXTBR registers on resume
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 02/17] i3c: renesas: Use the divider 128
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH 01/17] i3c: renesas: Check that the transfer is valid before accessing it
  2026-05-22 · Claudiu Beznea <claudiu.beznea@kernel.org>
• [PATCH v3 2/2] i3c: master: renesas: Use __free(kfree) for xfer cleanup in renesas_i3c_send_ccc_cmd()
  2026-04-06 · Felix Gu <hidden>
• [PATCH v3 1/2] i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers()
  2026-04-06 · Felix Gu <hidden>
• [PATCH v2] i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers()
  2026-04-02 · Felix Gu <hidden>
• [PATCH] i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers()
  2026-04-02 · Felix Gu <hidden>
• [PATCH v5 4/4] i3c: renesas: Add suspend/resume support
  2026-01-07 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v5 3/4] i3c: renesas: Factor out hardware initialization to separate function
  2026-01-07 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v5 2/4] i3c: renesas: Store clock rate and reset controls in struct renesas_i3c
  2026-01-07 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v5 1/4] i3c: renesas: Switch to clk_bulk API and store clocks in private data
  2026-01-07 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v4 4/4] i3c: renesas: Add suspend/resume support
  2026-01-05 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v4 3/4] i3c: renesas: Factor out hardware initialization to separate function
  2026-01-05 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v4 2/4] i3c: renesas: Store clock rate and reset controls in struct renesas_i3c
  2026-01-05 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
• [PATCH v4 1/4] i3c: renesas: Switch to clk_bulk API and store clocks in private data
  2026-01-05 · Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• [PATCH v3 1/2] i3c: master: renesas: Fix memory leak in renesas_i3c_i3c_xfers()
  2026-04-06 · Felix Gu <hidden> · 2 Reviewed-by, 1 Tested-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• [PATCH 1/2] i3c: master: switch to use new callback .i3c_xfers() from .priv_xfers()
  2025-10-27 · Frank Li <Frank.Li@nxp.com>