Re: [PATCH 2/5] ARM: BCM5301X: Specify USB controllers in DT

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On 12/6/2016 9:31 AM, Rafał Miłecki wrote:
> On 6 December 2016 at 18:28, Ray Jui <ray.jui@xxxxxxxxxxxx> wrote:
>> On 12/6/2016 9:17 AM, Rafał Miłecki wrote:
>>> From: Rafał Miłecki <rafal@xxxxxxxxxx>
>>>
>>> There are 3 separated controllers, one per USB /standard/. With PHY
>>> drivers in place they can be simply supported with generic drivers.
>>>
>>> Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
>>> ---
>>>  arch/arm/boot/dts/bcm5301x.dtsi | 33 ++++++++++++++++++++++++++++++++-
>>>  1 file changed, 32 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
>>> index f09a2bb..bfc98d19 100644
>>> --- a/arch/arm/boot/dts/bcm5301x.dtsi
>>> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
>>> @@ -248,8 +248,26 @@
>>>
>>>                       #address-cells = <1>;
>>>                       #size-cells = <1>;
>>> +                     ranges;
>>>
>>> -                     phys = <&usb2_phy>;
>>> +                     interrupt-parent = <&gic>;
>>> +
>>> +                     ohci: ohci@21000 {
>>> +                             #usb-cells = <0>;
>>> +
>>> +                             compatible = "generic-ohci";
>>> +                             reg = <0x00022000 0x1000>;
>>
>> Your label ohci@21000 does not match the 'reg' at 0x22000.
>>
>>> +                             interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
>>> +                     };
>>> +
>>> +                     ehci: ehci@22000 {
>>> +                             #usb-cells = <0>;
>>> +
>>> +                             compatible = "generic-ehci";
>>> +                             reg = <0x00021000 0x1000>;
>>
>> Looks like you got the label of ohci and ehci reversed?
> 
> Nice catch, thanks! I'll fix it in V2 (just let me wait a day to see
> if there will be other comments).
> 

In V2, please remember to put the nodes in ascending order based on the
base address of the registers, i.e., ehci@21000, and then followed by
ohci@22000.

Thanks,

Ray
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