linux-kernel - Re: [PATCH v10 2/4] dt-bindings: PCI: pci-imx6: Add external reference clock input

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <176546640668.1250530.16683675929770601103.robh@kernel.org>
Date: Thu, 11 Dec 2025 09:20:07 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Richard Zhu <hongxing.zhu@....com>
Cc: bhelgaas@...gle.com, s.hauer@...gutronix.de,
	Frank Li <Frank.Li@....com>, linux-pci@...r.kernel.org,
	mani@...nel.org, imx@...ts.linux.dev, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, lpieralisi@...nel.org,
	frank.li@....com, kwilczynski@...nel.org, kernel@...gutronix.de,
	festevam@...il.com, l.stach@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, shawnguo@...nel.org
Subject: Re: [PATCH v10 2/4] dt-bindings: PCI: pci-imx6: Add external
 reference clock input


On Thu, 11 Dec 2025 14:48:19 +0800, Richard Zhu wrote:
> i.MX95 PCIes have two reference clock inputs: one from internal PLL.
> It's wired inside chip and present as "ref" clock. It's not an optional
> clock. The other from off chip crystal oscillator. The "extref" clock
> refers to a reference clock from an external crystal oscillator through
> the CLKIN_N/P pair PADs. It is an optional clock, relied on the board
> design.
> 
> Add additional optional external reference clock input for i.MX95 PCIes.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@....com>
> Reviewed-by: Frank Li <Frank.Li@....com>
> ---
>  Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>