[U-Boot] [PATCH] arm: dts: Stratix10: Add QSPI node

[Ley Foon Tan]

On Fri, Mar 22, 2019 at 7:39 PM Simon Goldschmidt
<simon.k.r.goldschmidt at gmail.com> wrote:
>
> On Fri, Mar 22, 2019 at 10:05 AM Ley Foon Tan <ley.foon.tan at intel.com> wrote:
> >
> > Add QSPI device tree to Stratix 10.
> > Sync from Linux Stratix 10 dts.
> >
> > Tested on Stratix 10 SoC devkit.
> > SOCFPGA_STRATIX10 # sf probe 0:0
> > SF: Detected mt25qu02g with page size 256 Bytes, erase size 64 KiB, total 256 MiB
> >
> > Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
> > ---
> >  arch/arm/dts/socfpga_stratix10.dtsi      | 16 ++++++++++++++++
> >  arch/arm/dts/socfpga_stratix10_socdk.dts | 21 +++++++++++++++++++++
> >  2 files changed, 37 insertions(+)
> >
> > diff --git a/arch/arm/dts/socfpga_stratix10.dtsi b/arch/arm/dts/socfpga_stratix10.dtsi
> > index ee93725d64..1690f0e0bb 100644
> > --- a/arch/arm/dts/socfpga_stratix10.dtsi
> > +++ b/arch/arm/dts/socfpga_stratix10.dtsi
> > @@ -391,5 +391,21 @@
> >                         resets = <&rst WATCHDOG3_RESET>;
> >                         status = "disabled";
> >                 };
> > +
> > +               qspi: spi at ff8d2000 {
> > +                       compatible = "cdns,qspi-nor";
> > +                       #address-cells = <1>;
> > +                       #size-cells = <0>;
> > +                       reg = <0xff8d2000 0x100>,
> > +                             <0xff900000 0x100000>;
> > +                       interrupts = <0 3 4>;
> > +                       cdns,fifo-depth = <128>;
> > +                       cdns,fifo-width = <4>;
> > +                       cdns,trigger-address = <0x00000000>;
> > +                       bus-num = <0>;
> > +                       /*spi-max-frequency = <50000000>;*/
> > +                       status = "disabled";
> > +                       u-boot,dm-pre-reloc;
> > +               };
> >         };
> >  };
> > diff --git a/arch/arm/dts/socfpga_stratix10_socdk.dts b/arch/arm/dts/socfpga_stratix10_socdk.dts
> > index c59b77d829..4c47415b51 100644
> > --- a/arch/arm/dts/socfpga_stratix10_socdk.dts
> > +++ b/arch/arm/dts/socfpga_stratix10_socdk.dts
> > @@ -10,6 +10,7 @@
> >
> >         aliases {
> >                 serial0 = &uart0;
> > +               spi0 = &qspi;
> >         };
> >
> >         chosen {
> > @@ -87,6 +88,26 @@
> >         smplsel = <0>;
> >  };
> >
> > +&qspi {
> > +       status = "okay";
> > +
> > +       flash at 0 {
> > +               u-boot,dm-pre-reloc;
> > +               #address-cells = <1>;
> > +               #size-cells = <1>;
> > +               compatible = "spi-flash";
>
> "spi-flash" is u-boot specific and about to be deprecated. You should use
> the linux-compatible "jedec,spi-nor" binding.
Okay, will change in next revision.

Regards
Ley Foon