linux-kernel - Re: [PATCH] PCI: imx6: add regulator support

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Message-ID: <20170612160003.jrt4emvti3hmqiiw@rob-hp-laptop>
Date:   Mon, 12 Jun 2017 11:00:03 -0500
From:   Rob Herring <robh@...nel.org>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     hongxing.zhu@....com, l.stach@...gutronix.de, bhelgaas@...gle.com,
        mark.rutland@....com, linux-pci@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...e-electrons.com
Subject: Re: [PATCH] PCI: imx6: add regulator support

On Thu, Jun 08, 2017 at 10:07:42AM +0200, Quentin Schulz wrote:
> Some boards might require to control a regulator to power the PCIe port.
> 
> This adds support for an optional regulator defined in Device Tree
> linked in the PCIe controller under `vpcie-supply`. If present, the
> regulator will be disabled and then enabled as part of the PCIe host
> initialization process and will be disabled when shutting down.
> 
> Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
> ---
>  .../devicetree/bindings/pci/fsl,imx6q-pcie.txt     |  4 +++
>  drivers/pci/dwc/pci-imx6.c                         | 34 +++++++++++++++++++++-
>  2 files changed, 37 insertions(+), 1 deletion(-)

Acked-by: Rob Herring <robh@...nel.org>