Re: [PATCH 0/4] Add microchip sama7d65 SoC I3C support

Conor Dooley
2025-09-18T15:11:35Z

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On Thu, Sep 18, 2025 at 03:24:25PM +0530, Durai Manickam KR wrote:
> Add support for microchip sama7d65 SoC I3C master only IP which is based on
> mipi-i3c-hci from synopsys implementing version 1.0 specification. The platform
> specific changes are integrated in the existing mipi-i3c-hci driver by introducing
> a quirk and SoC specific config option.
>
> I3C in master mode supports up to 12.5MHz, SDR mode data transfer in
> mixed bus mode (I2C and I3C target devices on same i3c bus).
>
> Testing done:
> With this patch we are able to fully configure the lsm6dso I3C slave
> device. Unlike I2C, I hope there is no linux utility to check the
> various transactions supported in the host controller. These features
> will be tested later probably with I3C analyser KIT.
>
> Durai Manickam KR (4):
> clk: at91: sama7d65: add peripheral clock for I3C
> i3c: mipi-i3c-hci: add microchip sama7d65 SoC
> ARM: configs: at91: sama7: add sama7d65 i3c-hci
> ARM: dts: microchip: add I3C controller
>
> arch/arm/boot/dts/microchip/sama7d65.dtsi | 12 ++++++
> arch/arm/configs/sama7_defconfig | 2 +
> drivers/clk/at91/sama7d65.c | 5 ++-
> drivers/i3c/master/mipi-i3c-hci/Makefile | 3 +-
> drivers/i3c/master/mipi-i3c-hci/core.c | 28 ++++++++++++
> drivers/i3c/master/mipi-i3c-hci/hci.h | 12 ++++++
> .../i3c/master/mipi-i3c-hci/hci_quirks_mchp.c | 43 +++++++++++++++++++
> 7 files changed, 102 insertions(+), 3 deletions(-)
> create mode 100644 drivers/i3c/master/mipi-i3c-hci/hci_quirks_mchp.c

This is actually v2 right? v1 was here:
https://lore.kernel.org/all/20250910-magician-retold-a6835179f71d@spud/

Where is the dt-binding that you also omitted there?

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