Re: [PATCH linux dev-5.3 2/6] dt-bindings: net: ftgmac100: Describe clock properties
Andrew Jeffery
andrew at aj.id.au
Mon Sep 23 15:14:27 AEST 2019
On Mon, 23 Sep 2019, at 14:28, Joel Stanley wrote:
> On Sun, 22 Sep 2019 at 12:36, Andrew Jeffery <andrew at aj.id.au> wrote:
> >
> > Critically, the AST2600 requires ungating the RMII RCLK if e.g. NCSI is
> > in use.
> >
> > Signed-off-by: Andrew Jeffery <andrew at aj.id.au>
> > ---
> > Documentation/devicetree/bindings/net/ftgmac100.txt | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/net/ftgmac100.txt b/Documentation/devicetree/bindings/net/ftgmac100.txt
> > index 04cc0191b7dd..c443b0b84be5 100644
> > --- a/Documentation/devicetree/bindings/net/ftgmac100.txt
> > +++ b/Documentation/devicetree/bindings/net/ftgmac100.txt
> > @@ -24,6 +24,12 @@ Optional properties:
> > - no-hw-checksum: Used to disable HW checksum support. Here for backward
> > compatibility as the driver now should have correct defaults based on
> > the SoC.
> > +- clocks: In accordance with the generic clock bindings. Must describe the MAC
> > + IP clock, and optionally an RMII RCLK gate for the AST2600.
>
> perhaps: "and optionally a RMII clock if RMII or NC-SI is used"
>
> We should implement this for the ast2500 too.
Hmm, I didn't think to check because it has always worked, but I assume that's because u-boot was NCSI enabled and left the clocks ungated.
Will fix in a v2.
Thanks,
Andrew
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