linux-kernel - Re: [PATCH v5 0/7] Add Armada 3700 COMPHY support

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Date:   Wed, 6 Feb 2019 09:57:43 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Gregory Clement <gregory.clement@...tlin.com>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Marcin Wojtas <mw@...ihalf.com>,
        Grzegorz Jaszczyk <jaz@...ihalf.com>
Subject: Re: [PATCH v5 0/7] Add Armada 3700 COMPHY support

Hi Kishon,

Miquel Raynal <miquel.raynal@...tlin.com> wrote on Tue,  8 Jan 2019
17:31:17 +0100:

> Hello,
> 
> This series adds a new driver to support Armada 3700 COMPHY IP.
> The series has been tested on an ESPRESSObin with SATA, PCIe
> and USB3 host. For this purpose, patch 1 enumerates the SATA PHY
> mode. The SGMII PHY mode that is supported by the IP has been written
> (uses SMC calls anyway) but could not be tested on this platform.
> 
> Three series will follow to add PHY support (or at least a PHY nodes
> in the A3700/ESPRESSObin device trees) to the MVEBU AHCI driver, the
> Aardvark PCI controller driver and the MVEBU xHCI driver. All this is
> needed in order to achieve suspend to RAM on this platform.
> 
> Thanks,
> Miquèl
> 

Any inputs on this series? It is important for me because it impacts
SATA, PCIe and USB changes I plan to get merge.

Thanks,
Miquèl

> 
> Changes since v4:
> =================
> * Fixed error in the driver probe where PHY_INTERFACE_MODE_NA was
>   assigned to lane->mode instead of lane->submode.
> * Compile-in the driver by default (depends on ARCH_MVEBU).
> * Add dependency on HAVE_ARM_SMCC in Kconfig.
> 
> Changes since v3:
> =================
> * Added Rob's Reviewed-by tag on bindings.
> * Rebased on top of phy -next as of the 12th of December, 2018.
> * Adapted the driver to support SGMII/1000BASEX and
>   HS_SGMII/2500BASEX.
> 
> Changes since v2:
> =================
> * Remove redundant check on lane->port/args->arg[0] at the end of the
>   ->xlate() callback. Do it on both armada-cp110 and armada-a3700  
>   COMPHY drivers.
> * Put my SoB as author of the patch first when a patch is co-developed.
> 
> Changes since v1:
> =================
> * Fix wrong check in ->xlate().
> * Apply the same fix to the cp110 comphy driver from which the a3700
>   driver is based.
> * Added credit to Gregorz Jaszczyk for his work.
> * Added Suggested-by tag to the patch adding the COMPHY DT node.
> 
> 
> Grzegorz Jaszczyk (1):
>   phy: enumerate SATA PHY mode
> 
> Miquel Raynal (6):
>   phy: mvebu-cp110-comphy: fix port check in ->xlate()
>   phy: add A3700 COMPHY support
>   dt-bindings: phy: mvebu-comphy: extend the file to describe a3700
>     bindings
>   MAINTAINERS: phy: add entry for Armada 3700 COMPHY driver
>   ARM64: dts: marvell: armada-37xx: fix SATA node scope
>   ARM64: dts: marvell: armada-37xx: declare the COMPHY node
> 
>  .../bindings/phy/phy-mvebu-comphy.txt         |  65 +++-
>  MAINTAINERS                                   |   6 +
>  arch/arm64/boot/dts/marvell/armada-37xx.dtsi  |  31 +-
>  drivers/phy/marvell/Kconfig                   |  12 +
>  drivers/phy/marvell/Makefile                  |   1 +
>  drivers/phy/marvell/phy-mvebu-a3700-comphy.c  | 318 ++++++++++++++++++
>  drivers/phy/marvell/phy-mvebu-cp110-comphy.c  |   2 -
>  include/linux/phy/phy.h                       |   1 +
>  8 files changed, 421 insertions(+), 15 deletions(-)
>  create mode 100644 drivers/phy/marvell/phy-mvebu-a3700-comphy.c
>