linux-kernel - Re: [PATCH 1/2] usb: dwc3: Add ref clock period setting

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Date:   Tue, 13 Sep 2016 12:06:56 -0700
From:   John Youn <John.Youn@...opsys.com>
To:     Rob Herring <robh@...nel.org>, John Youn <John.Youn@...opsys.com>
CC:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Thinh Nguyen" <Thinh.Nguyen@...opsys.com>
Subject: Re: [PATCH 1/2] usb: dwc3: Add ref clock period setting

On 9/12/2016 7:09 AM, Rob Herring wrote:
> On Thu, Sep 01, 2016 at 02:32:30PM -0700, John Youn wrote:
>> From: Thinh Nguyen <thinhn@...opsys.com>
>>
>> Added ref_clk_per for writing to GUCTL.RefClkPer which
>> sets the period of ref_clk in nano second.
>>
>> Signed-off-by: Thinh Nguyen <thinhn@...opsys.com>
>> Signed-off-by: John Youn <johnyoun@...opsys.com>
>> ---
>>  Documentation/devicetree/bindings/usb/dwc3.txt |  2 ++
>>  drivers/usb/dwc3/core.c                        | 21 +++++++++++++++++++++
>>  drivers/usb/dwc3/core.h                        |  5 +++++
>>  drivers/usb/dwc3/dwc3-pci.c                    |  1 +
>>  4 files changed, 29 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
>> index e3e6983..aa54ba7 100644
>> --- a/Documentation/devicetree/bindings/usb/dwc3.txt
>> +++ b/Documentation/devicetree/bindings/usb/dwc3.txt
>> @@ -50,6 +50,8 @@ Optional properties:
>>   - snps,hird-threshold: HIRD threshold
>>   - snps,hsphy_interface: High-Speed PHY interface selection between "utmi" for
>>     UTMI+ and "ulpi" for ULPI when the DWC_USB3_HSPHY_INTERFACE has value 3.
>> + - snps,ref_clk_per: value for GUTCL.RefClkPer field that sets the period of
>> +			ref_clk in nano seconds.
> 
> Use '-' rather than '_' and add a unit suffix (property-units.txt).
> 

Ok. We'll change it to: snps,ref-clk-period-ns

John