linux-kernel - Re: [PATCH v2] PCI: imx6: Add PHY reference clock source support

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Date:   Tue, 2 Jan 2018 20:54:50 -0200
From:   Fabio Estevam <festevam@...il.com>
To:     Ilya Ledvich <ilya@...pulab.co.il>
Cc:     Richard Zhu <hongxing.zhu@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v2] PCI: imx6: Add PHY reference clock source support

Hi Ilya,

+ Rob and dt list

On Sun, Dec 31, 2017 at 6:31 AM, Ilya Ledvich <ilya@...pulab.co.il> wrote:
> i.MX7D variant of the IP can use either Crystal Oscillator input
> or internal clock input as a Reference Clock input for PCIe PHY.
> Add support for an optional property 'pcie-phy-refclk-internal'.
> If present then an internal clock input is used as PCIe PHY
> reference clock source. By default an external oscillator input
> is still used.
>
> Verified on Compulab SBC-iMX7 Single Board Computer.
>
> Signed-off-by: Ilya Ledvich <ilya@...pulab.co.il>
> ---
>  Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 5 +++++
>  drivers/pci/dwc/pci-imx6.c                               | 8 +++++++-
>  2 files changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
> index 7b1e48b..581bc09 100644
> --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
> @@ -50,6 +50,11 @@ Additional required properties for imx7d-pcie:
>                - "pciephy"
>                - "apps"
>
> +Additional optional properties for imx7d-pcie:
> +- pcie-phy-refclk-internal: If present then an internal PLL input is used as
> +  PCIe PHY reference clock source. By default an external oscillator input
> +  is used.

Should this contain the vendor prefix, like fsl,pcie-phy-refclk-internal ?