On 02/03/2018 15:57, Rob Herring wrote:
On Fri, Mar 2, 2018 at 9:06 AM, John Garry <john.ga...@huawei.com> wrote:
> From: Xiaofei Tan <tanxiao...@huawei.com>
>
> For some new boards with hip07 chipset we are required to
> set PHY config registers differently. The hw property which
> determines how to set these registers is in the PHY signal
> attenuation readings.
>
> This patch add an devicetree property, hisi-signal-attenuation,
> which is used to describe the signal attenuation of an board.
>
> Cc: Rob Herring <robh...@kernel.org>
> Cc: Mark Rutland <mark.rutl...@arm.com>
> Signed-off-by: Xiaofei Tan <tanxiao...@huawei.com>
> Signed-off-by: John Garry <john.ga...@huawei.com>
> ---
>  Documentation/devicetree/bindings/scsi/hisilicon-sas.txt | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt 
b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
> index df3bef7..6f6876a 100644
> --- a/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
> +++ b/Documentation/devicetree/bindings/scsi/hisilicon-sas.txt
> @@ -53,6 +53,13 @@ Main node required properties:
>  Optional main node properties:
>   - hip06-sas-v2-quirk-amt : when set, indicates that the v2 controller has 
the
>                             "am-max-transmissions" limitation.
> + - hisi-signal-attenuation : array of 3 32-bit values, containing 
de-emphasis,
The format for vendor prefixes is: <vendor prefix>,property-name

And should only be ones defined in vendor-prefixes.txt

Hi Rob,

To save a v4, that would be "hisilicon,signal-attenuation", right?

Thanks,
John


> +               preshoot, and boost attenuation readings for the board. They
> +               are used to describe the signal attenuation of the board. 
These


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