linux-kernel - [PATCH v4 0/4] AM64: Add PCIe bindings and driver support

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Date:   Mon, 8 Mar 2021 12:05:46 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Tom Joseph <tjoseph@...ence.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Nadeem Athani <nadeem@...ence.com>
CC:     <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Lokesh Vutla <lokeshvutla@...com>
Subject: [PATCH v4 0/4] AM64: Add PCIe bindings and driver support

AM64 uses the same PCIe controller as in J7200, however AM642 EVM
doesn't have a clock generator (unlike J7200 base board). Here
the clock from the SERDES has to be routed to the PCIE connector.
This series provides an option for the pci-j721e.c driver to
drive reference clock output to the connector.

v1 of the patch series can be found @ [1]
v2 of the patch series can be found @ [2]
v3 of the patch series can be found @ [3]

Changes from v3:
*) Added Reviewed by from Rob
*) Incorporated Krzysztof Wilczyński comment on DT binding documentation
*) Fixed "warn: missing error code 'ret'"

Changes from v2:
*) Fix DT binding documentation suggested by Rob

Changes from v1:
*) Fixed missing initialization of "ret" variable in the error path.

[1] -> http://lore.kernel.org/r/20201224115658.2795-1-kishon@ti.com
[2] -> https://lore.kernel.org/r/20210104124103.30930-1-kishon@ti.com
[3] -> https://lore.kernel.org/r/20210222114030.26445-1-kishon@ti.com

Kishon Vijay Abraham I (4):
  dt-bindings: PCI: ti,j721e: Add binding to represent refclk to the
    connector
  dt-bindings: PCI: ti,j721e: Add host mode dt-bindings for TI's AM64
    SoC
  dt-bindings: PCI: ti,j721e: Add endpoint mode dt-bindings for TI's
    AM64 SoC
  PCI: j721e: Add support to provide refclk to PCIe connector

 .../bindings/pci/ti,j721e-pci-ep.yaml         |  9 ++++----
 .../bindings/pci/ti,j721e-pci-host.yaml       | 20 ++++++++++++-----
 drivers/pci/controller/cadence/pci-j721e.c    | 22 ++++++++++++++++++-
 3 files changed, 40 insertions(+), 11 deletions(-)

-- 
2.17.1