Re: [PATCH v3 4/5] dt-bindings: usb/ti,am62-usb.yaml: Add PHY2 register space

From: Conor Dooley
Date: Thu Feb 01 2024 - 13:18:17 EST


On Thu, Feb 01, 2024 at 06:15:20PM +0000, Conor Dooley wrote:
> On Thu, Feb 01, 2024 at 02:03:31PM +0200, Roger Quadros wrote:
> > So far this was not required but due to the newly identified
> > Errata i2409 [1] we need to poke this register space.
> >
> > [1] https://www.ti.com/lit/er/sprz487d/sprz487d.pdf
> >
> > Signed-off-by: Roger Quadros <rogerq@xxxxxxxxxx>
>
> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Actually, where is the user for this that actually pokes the register
space?
You're adding another register region, so I went to check how you were
handling that in drivers, but there's no driver patch.


>
> > ---
> >
> > Notes:
> > Changelog:
> >
> > v3 - new patch
> >
> > Documentation/devicetree/bindings/usb/ti,am62-usb.yaml | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> > index fec5651f5602..c02d9d467d9c 100644
> > --- a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> > +++ b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> > @@ -14,7 +14,9 @@ properties:
> > const: ti,am62-usb
> >
> > reg:
> > - maxItems: 1
> > + items:
> > + - description: USB CFG register space
> > + - description: USB PHY2 register space
> >
> > ranges: true
> >
> > @@ -82,7 +84,8 @@ examples:
> >
> > usbss1: usb@f910000 {
> > compatible = "ti,am62-usb";
> > - reg = <0x00 0x0f910000 0x00 0x800>;
> > + reg = <0x00 0x0f910000 0x00 0x800>,
> > + <0x00 0x0f918000 0x00 0x400>;
>
> Why the double zeros btw?
>
> Cheers,
> Conor.
>
> > clocks = <&k3_clks 162 3>;
> > clock-names = "ref";
> > ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
> > --
> > 2.34.1
> >


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