Re: [PATCH 10/10] ARM: dts: omap4: Use "syscon-otghs" instead of "ctrl-module" in USB node

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Hi Roger,

On Wednesday 05 August 2015 01:38 PM, Roger Quadros wrote:
> On 05/08/15 11:02, Roger Quadros wrote:
>> Kishon,
>>
>> On 04/08/15 18:30, Kishon Vijay Abraham I wrote:
>>> Add "syscon-otghs" property and remove the deprecated "ctrl-module"
>>> property from MUSB devicetree node.
>>>
>>> Since "omap_control_usbotg" devicetree node is no longer used, remove
>>> it.
>>>
>>> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>>> ---
>>>  arch/arm/boot/dts/omap4.dtsi |    8 +-------
>>>  1 file changed, 1 insertion(+), 7 deletions(-)
>>>
>>> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
>>> index b27634d..2fb49a5 100644
>>> --- a/arch/arm/boot/dts/omap4.dtsi
>>> +++ b/arch/arm/boot/dts/omap4.dtsi
>>> @@ -854,12 +854,6 @@
>>>  			};
>>>  		};
>>>  
>>> -		omap_control_usbotg: control-phy@4a00233c {
>>> -			compatible = "ti,control-phy-otghs";
>>> -			reg = <0x4a00233c 0x4>;
>>> -			reg-names = "otghs_control";
>>> -		};
>>> -
>>>  		usb_otg_hs: usb_otg_hs@4a0ab000 {
>>>  			compatible = "ti,omap4-musb";
>>>  			reg = <0x4a0ab000 0x7ff>;
>>> @@ -872,7 +866,7 @@
>>>  			multipoint = <1>;
>>>  			num-eps = <16>;
>>>  			ram-bits = <12>;
>>> -			ctrl-module = <&omap_control_usbotg>;
>>> +			syscon-otghs = <&scm_conf 0x33c>;
>>
>> All other properties were of the format "syscon-phy-foo".
>> Why use a different format here?
>>
> 
> Ah, looks like we don't have a dedicated phy driver for this?
> We will need to add a PHY driver I guess then and handle this register
> in that driver rather than in the musb driver.

I was explaining in the other thread to Tony on why this shouldn't be done in a
PHY driver [1].

Thanks
Kishon

[1] -> https://lkml.org/lkml/2015/8/5/455
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