From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
To: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Guruvendra Punugupati <Guruvendra.Punugupati@amd.com>,
Krishnamoorthi M <krishnamoorthi.m@amd.com>,
linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 5/6] i3c: mipi-i3c-hci: Add a quirk to set timing parameters
Date: Fri, 23 Aug 2024 13:11:05 +0300 [thread overview]
Message-ID: <9cc7f7a1-72b5-42fd-b5eb-6cd1cf59f3e7@linux.intel.com> (raw)
In-Reply-To: <20240821133554.391937-6-Shyam-sundar.S-k@amd.com>
On 8/21/24 4:35 PM, Shyam Sundar S K wrote:
> The AMD HCI controller is currently unstable at 12.5 MHz. To address this,
> a quirk is added to configure the clock rate to 9 MHz as a workaround,
> with proportional adjustments to the Open-Drain (OD) and Push-Pull (PP)
> values.
>
> Co-developed-by: Guruvendra Punugupati <Guruvendra.Punugupati@amd.com>
> Signed-off-by: Guruvendra Punugupati <Guruvendra.Punugupati@amd.com>
> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> ---
> drivers/i3c/master/mipi-i3c-hci/Makefile | 3 +-
> drivers/i3c/master/mipi-i3c-hci/core.c | 6 +++-
> drivers/i3c/master/mipi-i3c-hci/hci.h | 2 ++
> drivers/i3c/master/mipi-i3c-hci/hci_quirks.c | 33 ++++++++++++++++++++
> 4 files changed, 42 insertions(+), 2 deletions(-)
> create mode 100644 drivers/i3c/master/mipi-i3c-hci/hci_quirks.c
>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
next prev parent reply other threads:[~2024-08-23 10:11 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-21 13:35 [PATCH v4 0/6] Introduce initial AMD I3C HCI driver support Shyam Sundar S K
2024-08-21 13:35 ` [PATCH v4 1/6] i3c: mipi-i3c-hci: Add AMDI5017 ACPI ID to the I3C Support List Shyam Sundar S K
2024-08-21 13:37 ` Shyam Sundar S K
2024-08-21 13:56 ` Andy Shevchenko
2024-08-21 15:12 ` Shyam Sundar S K
2024-08-21 15:39 ` Andy Shevchenko
2024-08-21 15:42 ` Andy Shevchenko
2024-08-21 15:43 ` Andy Shevchenko
2024-08-21 17:22 ` Shyam Sundar S K
2024-08-21 17:18 ` Shyam Sundar S K
2024-08-21 13:35 ` [PATCH v4 2/6] i3c: mipi-i3c-hci: Read HC_CONTROL_PIO_MODE only after i3c hci v1.1 Shyam Sundar S K
2024-08-23 8:50 ` Jarkko Nikula
2024-08-21 13:35 ` [PATCH v4 3/6] i3c: mipi-i3c-hci: Add a quirk to set PIO mode Shyam Sundar S K
2024-08-23 10:10 ` Jarkko Nikula
2024-08-21 13:35 ` [PATCH v4 4/6] i3c: mipi-i3c-hci: Relocate helper macros to HCI header file Shyam Sundar S K
2024-08-21 13:35 ` [PATCH v4 5/6] i3c: mipi-i3c-hci: Add a quirk to set timing parameters Shyam Sundar S K
2024-08-23 10:11 ` Jarkko Nikula [this message]
2024-08-21 13:35 ` [PATCH v4 6/6] i3c: mipi-i3c-hci: Add a quirk to set Response buffer threshold Shyam Sundar S K
2024-08-23 10:13 ` Jarkko Nikula
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