Re: [PATCH v2 3/3] riscv: dts: thead: add basic spi node

[Conor Dooley <conor@kernel.org>]

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On Thu, Jul 04, 2024 at 11:12:43AM +0530, Kanak Shilledar wrote:
> Hi
> 
> On Wed, Jul 3, 2024 at 8:15 PM Conor Dooley <conor@kernel.org> wrote:
> >
> > Kanak, Drew,
> >
> > On Mon, Jul 01, 2024 at 05:43:54PM +0530, Kanak Shilledar wrote:
> > > created spi0 node with fixed clock. the spi0 node
> > > uses synopsis designware driver and has the following
> > > compatible "snps,dw-apb-ssi". the spi0 node is connected
> > > to a SPI NOR flash pad which is left unpopulated on the back
> > > side of the board.
> > >
> > > Signed-off-by: Kanak Shilledar <kanakshilledar@gmail.com>
> > > ---
> > > Changes in v2:
> > > - Separated from a single patch file
> > > ---
> > >  .../boot/dts/thead/th1520-beaglev-ahead.dts      |  9 +++++++++
> > >  .../boot/dts/thead/th1520-lichee-module-4a.dtsi  |  4 ++++
> > >  .../riscv/boot/dts/thead/th1520-lichee-pi-4a.dts |  5 +++++
> >
> > Didn't you say there was a flash on one of these two boards?
> Yes, there is a SPI nor flash pad left unpopulated on the bottom side
> of the LicheePi 4a
> carrier board. https://wiki.sipeed.com/hardware/en/lichee/th1520/lpi4a/2_unbox.html#Board-hardware-overview
> notice the reserved pad in the bottom part of the image.

Ah right, unpopulated. That makes sense, thanks.

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