linux-kernel - [PATCH v3 0/2] PCI: imx6: Add external reference clock mode support

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Message-Id: <20250620031350.674442-1-hongxing.zhu@nxp.com>
Date: Fri, 20 Jun 2025 11:13:48 +0800
From: Richard Zhu <hongxing.zhu@....com>
To: frank.li@....com,
	l.stach@...gutronix.de,
	lpieralisi@...nel.org,
	kwilczynski@...nel.org,
	mani@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	bhelgaas@...gle.com,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com
Cc: linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/2] PCI: imx6: Add external reference clock mode support

On i.MX, the PCIe reference clock might come from either internal system
PLL or external clock source. Add the external reference clock source
for reference clock.

Main change in v3:
- Update the logic check external reference clock mode is enabled or
  not in driver codes.

Main change in v2:
- Fix yamllint warning.
- Refine the driver codes.

[PATCH v3 1/2] dt-binding: pci-imx6: Add external reference clock
[PATCH v3 2/2] PCI: imx6: Add external reference clock mode support

Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml |  7 ++++++-
drivers/pci/controller/dwc/pci-imx6.c                     | 20 +++++++++++++-------
2 files changed, 19 insertions(+), 8 deletions(-)