Re: [PATCH 7/7] riscv: dts: add initial board data for the SiFive HiFive Unleashed

From: Paul Walmsley
Date: Sat Apr 06 2019 - 19:44:25 EST


On Thu, 20 Dec 2018, Rob Herring wrote:

> On Fri, Dec 14, 2018 at 09:21:54PM -0800, Paul Walmsley wrote:
> > Add initial board data for the SiFive HiFive Unleashed A00.
> >
> > Currently the data populated in this DT file describes the board
> > DRAM configuration and the external clock sources that supply the
> > PRCI.

...

> > diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00-fu540.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00-fu540.dts
> > new file mode 100644
> > index 000000000000..0c6afabe69e3
> > --- /dev/null
> > +++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00-fu540.dts
> > @@ -0,0 +1,39 @@
> > +// SPDX-License-Identifier: Apache-2.0
> > +// SPDX-License-Identifier: GPL-2.0-or-later
>
> This should be a single line with: (Apache-2.0 OR GPL-2.0+)

Done.

> > + model = "SiFive HiFive Unleashed A00 (FU540-C000)"
> > + compatible = "sifive,hifive-unleashed-a00-fu540",
> > + "sifive,hifive-unleashed-fu540";
>
> SoC compatible should be here too.

Done.

> > + soc {
> > + hfclk: hfclk {
> > + #clock-cells = <0>;
> > + compatible = "fixed-clock";
> > + clock-frequency = <33333333>;
> > + clock-output-names = "hfclk";
> > + };
> > + rtcclk: rtcclk {
> > + #clock-cells = <0>;
> > + compatible = "fixed-clock";
> > + clock-frequency = <1000000>;
> > + clock-output-names = "rtcclk";
> > + };
>
> Are these the clock inputs to the SoC or dummy clocks until you write a
> proper clock driver? If the former, they should be at the top level.

Done.


Thanks for your comments; Will send an updated patch set.


- Paul