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

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Message-ID: <20250918-empathy-geology-7aeb6d44921c@spud>
Date: Thu, 18 Sep 2025 16:11:30 +0100
From: Conor Dooley <conor@...nel.org>
To: Durai Manickam KR <durai.manickamkr@...rochip.com>
Cc: linux-i3c@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, alexandre.belloni@...tlin.com,
	Frank.Li@....com, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, balamanikandan.gunasundar@...rochip.com,
	nicolas.ferre@...rochip.com
Subject: Re: [PATCH 0/4] Add microchip sama7d65 SoC I3C support

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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