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

[Simon Goldschmidt]

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.

Regards,
Simon

> +               reg = <0>;      /* chip select */
> +               spi-max-frequency = <50000000>;
> +
> +               page-size = <256>;
> +               block-size = <16>; /* 2^16, 64KB */
> +               cdns,tshsl-ns = <50>;
> +               cdns,tsd2d-ns = <50>;
> +               cdns,tchsh-ns = <4>;
> +               cdns,tslch-ns = <4>;
> +       };
> +};
> +
>  &uart0 {
>         status = "okay";
>  };
> --
> 2.19.0