From: "Rob Herring (Arm)" <robh@kernel.org>
To: Sai Krishna Musham <sai.krishna.musham@amd.com>
Cc: lpieralisi@kernel.org, michal.simek@amd.com, mani@kernel.org,
bharat.kumar.gogada@amd.com, linux-pci@vger.kernel.org,
devicetree@vger.kernel.org, cassel@kernel.org,
bhelgaas@google.com, kw@linux.com, thippeswamy.havalige@amd.com,
conor+dt@kernel.org, krzk+dt@kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v9 1/2] dt-bindings: PCI: xilinx-versal-cpm: Add PERST# and reset support
Date: Wed, 12 Aug 2026 17:32:27 -0500 [thread overview]
Message-ID: <178657394651.1335393.18337349834069898835.robh@kernel.org> (raw)
In-Reply-To: <20260807140205.1070367-2-sai.krishna.musham@amd.com>
On Fri, 07 Aug 2026 19:32:04 +0530, Sai Krishna Musham wrote:
> Add the optional 'resets' property to manage the PCIe IP reset, and the
> 'reset-gpios' property on the Root Port child node for GPIO-based control
> of the PCIe RP PERST# signal (assert/deassert). Both are optional to keep
> backward compatibility with existing device trees.
>
> Update the examples to show the reset controller and PERST# GPIO wiring.
>
> Signed-off-by: Sai Krishna Musham <sai.krishna.musham@amd.com>
> ---
> Changes in v9:
> - None
>
> Changes in v8:
> - Add resets property.
> - Move reset-gpios property to child node and update the example.
>
> v1: https://lore.kernel.org/all/20250224063046.1438006-2-sai.krishna.musham@amd.com/
> v2: https://lore.kernel.org/all/20250226124358.88227-2-sai.krishna.musham@amd.com/
> v3: https://lore.kernel.org/all/20250227042454.907182-2-sai.krishna.musham@amd.com/
> v4: https://lore.kernel.org/all/20250318092648.2298280-2-sai.krishna.musham@amd.com/
> v5: https://lore.kernel.org/all/20250321114211.2185782-2-sai.krishna.musham@amd.com/
> v6: https://lore.kernel.org/all/20250326022811.3090688-2-sai.krishna.musham@amd.com/
> v7: https://lore.kernel.org/all/20250414032304.862779-2-sai.krishna.musham@amd.com/
> v8: https://lore.kernel.org/all/20260807123507.3418671-2-sai.krishna.musham@amd.com/
> ---
> .../bindings/pci/xilinx-versal-cpm.yaml | 38 +++++++++++++++++++
> 1 file changed, 38 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-08-12 22:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-07 14:02 [PATCH v9 0/2] Add support for PCIe RP PERST# Sai Krishna Musham
2026-08-07 14:02 ` [PATCH v9 1/2] dt-bindings: PCI: xilinx-versal-cpm: Add PERST# and reset support Sai Krishna Musham
2026-08-07 14:19 ` sashiko-bot
2026-08-12 22:32 ` Rob Herring (Arm) [this message]
2026-08-07 14:02 ` [PATCH v9 2/2] PCI: xilinx-cpm: Add support for PCIe RP PERST# signal Sai Krishna Musham
2026-08-07 14:30 ` sashiko-bot
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