Re: [PATCH v3 2/3] arm: dts: am335x-sancloud-bbe-lite: UEFI SPI export

Ilias Apalodimas
2022-09-26T11:34:37Z

Hi Tom

On Wed, 21 Sept 2022 at 19:15, Tom Rini <trini@konsulko.com> wrote:
>
> On Wed, Sep 21, 2022 at 05:06:27PM +0100, Paul Barker wrote:
> > Add properties to the Authenta SPI flash device node to enable access by
> > a UEFI application using a fixed GUID. Also specify that this device is
> > JEDEC compatible so that it is correctly initialized when running
> > `sf probe`.
> >
> > Signed-off-by: Paul Barker <paul.barker@sancloud.com>
> > ---
> > arch/arm/dts/am335x-sancloud-bbe-lite.dts | 10 ++++++++--
> > 1 file changed, 8 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/dts/am335x-sancloud-bbe-lite.dts b/arch/arm/dts/am335x-sancloud-bbe-lite.dts
> > index d6ef19311a91..f1ff9d6024cb 100644
> > --- a/arch/arm/dts/am335x-sancloud-bbe-lite.dts
> > +++ b/arch/arm/dts/am335x-sancloud-bbe-lite.dts
> > @@ -37,14 +37,20 @@
> > pinctrl-names = "default";
> > pinctrl-0 = <&bb_spi0_pins>;
> >
> > - channel@0 {
> > + authenta-flash@0 {
> > #address-cells = <1>;
> > #size-cells = <0>;
> >
> > - compatible = "micron,spi-authenta";
> > + compatible = "micron,spi-authenta", "jedec,spi-nor";
> >
> > reg = <0>;
> > spi-max-frequency = <16000000>;
> > spi-cpha;
> > +
> > + uefi-spi-vendor = "micron";
> > + uefi-spi-part-number = "mt25ql128abb";
> > + /* GUID in UEFI format: 77126730-a4ca-4386-b341-881fe18e7f7d */
> > + uefi-spi-io-guid = [30 67 12 77 ca a4 86 43
> > + b3 41 88 1f e1 8e 7f 7d];
> > };
> > };
>
> Are we far enough along with part one of this series to talk about
> getting these properties in the upstream binding document now?

You mean those bindings being part of the DT spec?

Thanks
/Ilias
>
> --
> Tom