Re: [PATCH 05/17] phy: omap-usb2: Add a new compatible string for USB2 PHY2

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Hi,

On Wednesday 24 June 2015 04:33 PM, Roger Quadros wrote:
> On Tue, 23 Jun 2015 17:28:50 +0530
> Kishon Vijay Abraham I <kishon@xxxxxx> wrote:
> 
>> The USB2 PHY2 has a different register map compared to USB2 PHY1
>> to power on/off the PHY. In order to handle it, add a new
>> "compatible" string.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>> ---
>>  Documentation/devicetree/bindings/phy/ti-phy.txt |    2 ++
>>  drivers/phy/phy-omap-usb2.c                      |    9 +++++++++
>>  2 files changed, 11 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/ti-phy.txt b/Documentation/devicetree/bindings/phy/ti-phy.txt
>> index 52c7a92..b9101b9 100644
>> --- a/Documentation/devicetree/bindings/phy/ti-phy.txt
>> +++ b/Documentation/devicetree/bindings/phy/ti-phy.txt
>> @@ -31,6 +31,8 @@ OMAP USB2 PHY
>>  
>>  Required properties:
>>   - compatible: Should be "ti,omap-usb2"
>> +	       Should be "ti,dra7x-usb2-phy2" for the 2nd instance of USB2 PHY
>> +			in DRA7x
>>   - reg : Address and length of the register set for the device.
>>   - #phy-cells: determine the number of cells that should be given in the
>>     phandle while referencing this phy.
>> diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
>> index b5c266a..2f7220f 100644
>> --- a/drivers/phy/phy-omap-usb2.c
>> +++ b/drivers/phy/phy-omap-usb2.c
>> @@ -159,6 +159,11 @@ static const struct usb_phy_data dra7x_usb2_data = {
>>  	.flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
>>  };
>>  
>> +static const struct usb_phy_data dra7x_usb2_phy2_data = {
>> +	.label = "dra7x_usb2_phy2",
>> +	.flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
> 
> Isn't it better to define the register map in usb_phy_data
> so that you don't need to check for compatible flag everytime?
> 

We could may be define it for DRA7x USB2 PHYs but for am437x-usb2, it might not
be good.

Thanks
Kishon
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