linux-kernel - [PATCH 0/7] ARM: dts: dra7: Enable x2 lane mode support

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Date:   Tue, 19 Dec 2017 15:01:26 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Tony Lindgren <tony@...mide.com>, <bcousson@...libre.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        <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>, <nsekhar@...com>,
        <kishon@...com>
Subject: [PATCH 0/7] ARM: dts: dra7: Enable x2 lane mode support

Add properties to enable PCIe x2 lane mode since all dra7
based SoCs support x2 lane mode.

However only dra76-evm has a slot which can support x2 lane
cards. Hence only enable x2 lane mode in dra76-evm.
(am571x-idk can support x2 lane mode but that makes usb port
not functional so not including the patch to enable
x2 mode in am571x-idk)

Also included in this series is patch to enable PCIe configs
(both host and device) in omap2plus_defconfig and
multi_v7_defconfig

In order to get x2 mode working [1] is required.

However by keeping the older compatible, this series won't
break functionality if this series is merged before [1]

[1] -> https://lkml.org/lkml/2017/12/19/175

Kishon Vijay Abraham I (7):
  ARM: dts: dra7: Add properties to enable PCIe x2 lane mode
  ARM: dts: DRA74x: Use PCIe compatible specific to dra74
  ARM: dts: DRA72x: Use PCIe compatible specific to dra72
  ARM: dts: dra76-evm: Enable x2 PCIe lanes
  ARM: dts: dra7: Remove deprecated PCI compatible string
  ARM: omap2plus_defconfig: Enable CONFIG_PCI_DRA7XX (Host & Device
    modes)
  ARM: multi_v7_defconfig: Enable CONFIG_PCI_DRA7XX (Host & Device
    modes)

 arch/arm/boot/dts/dra7.dtsi          |  9 +++++----
 arch/arm/boot/dts/dra72x.dtsi        | 12 ++++++++++++
 arch/arm/boot/dts/dra74x.dtsi        | 12 ++++++++++++
 arch/arm/boot/dts/dra76-evm.dts      | 16 ++++++++++++++++
 arch/arm/configs/multi_v7_defconfig  |  6 ++++++
 arch/arm/configs/omap2plus_defconfig |  8 ++++++++
 6 files changed, 59 insertions(+), 4 deletions(-)

-- 
2.11.0