Re: [PATCH v10 2/2] i3c: master: Add driver for AMD AXI I3C master controller

Frank Li <[email protected]> Thu, 9 Jul 2026 15:24:50 -0400
Newsgroups org.infradead.lists.linux-i3c,org.kernel.vger.linux-arch,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-hardening,org.kernel.vger.linux-kernel
Message-ID <ak_1gpc6EpgQeOOl@lizhi-Precision-Tower-5810>
On Thu, Jul 09, 2026 at 12:12:33PM +0530, Shubham Patil wrote:
> From: Manikanta Guntupalli <[email protected]>
>
> Add an I3C master driver and maintainers fragment for the AMD I3C bus
> controller.
>
> The driver currently supports the I3C bus operating in SDR mode,
> with features including Dynamic Address Assignment, private data
> transfers, and CCC transfers in both broadcast and direct modes. It
> also supports operation in I2C mode.
>
> The controller's data FIFOs are accessed big-endian; the driver performs
> this conversion locally using ioread32be()/iowrite32be() with the
> helpers, so it does not depend on any core FIFO-endianness helpers.
>
> Signed-off-by: Manikanta Guntupalli <[email protected]>
> Co-developed-by: Shubhrajyoti Datta <[email protected]>
> Signed-off-by: Shubhrajyoti Datta <[email protected]>
> Co-developed-by: Shubham Patil <[email protected]>
> Signed-off-by: Shubham Patil <[email protected]>
> ---

Reviewed-by: Frank Li <[email protected]>


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