Re: [PATCH v2] arm: dts: AM43x: Add usb_otg_hs node

[Felipe Balbi]

Hi,

On Tue, Jul 09, 2013 at 04:51:35PM +0530, George Cherian wrote:
> >>+				compatible = "snps,dwc3";
> >>+				reg = <0x48390000 0xcfff>;
> >weird size, shouldn't this be 0xd000 then the size would be exactly
> >52KiB
> 
> okay

btw, the reason here is that when you call devm_ioremap_resource(), that
will call resource_size() which does:

	size = res->end - res->start - 1;

so you need this extra 1 on the size when passing it via DT.

> >Another thing: am437x has 4 instances of this IP, why are you adding
> >only one ?
> 
> AM437x has got only 2 instances. I have verified only one on HAPS so
> adding only one.

weird, on my TRM I see for dwc3 but 2 PHYs.

> >And why aren't you pasing the PHY nodes here ? The device
> >won't work without its PHYs.
> 
> Yes true, again in HAPS I  didnt have any PHY configuration to be done.

alright, but we should still pass the PHY right ? once silicon comes,
we want this to work without any further changers.

-- 
balbi

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