[U-Boot] [v2 6/6] stv0991: configure device tree for cadence qspi & flash

[Jagan Teki]

On 25 June 2015 at 04:36, Vikas Manocha <vikas.manocha at st.com> wrote:
> This patch add the device tree entry for qspi controller & spi flash
> memory.
>
> Signed-off-by: Vikas Manocha <vikas.manocha at st.com>
> ---
>
> Changed in v2: None
>
>  arch/arm/dts/stv0991.dts |   34 ++++++++++++++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
>
> diff --git a/arch/arm/dts/stv0991.dts b/arch/arm/dts/stv0991.dts
> index b25c48b..3b1efca 100644
> --- a/arch/arm/dts/stv0991.dts
> +++ b/arch/arm/dts/stv0991.dts
> @@ -20,4 +20,38 @@
>                 reg = <0x80406000 0x1000>;
>                 clock = <2700000>;
>         };
> +
> +       aliases {
> +               spi0 = "/spi at 80203000";         /* QSPI */
> +       };
> +
> +       qspi: spi at 80203000 {
> +                       compatible = "cadence,qspi";
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0x80203000 0x100>,
> +                               <0x40000000 0x1000000>;
> +                       clocks = <3750000>;
> +                       ext-decoder = <0>; /* external decoder */
> +                       num-cs = <4>;
> +                       fifo-depth = <256>;
> +                       bus-num = <0>;
> +                       status = "okay";
> +
> +                       flash0: n25q32 at 0 {
> +                               #address-cells = <1>;
> +                               #size-cells = <1>;
> +                               compatible = "spi-flash";
> +                               reg = <0>;              /* chip select */
> +                               spi-max-frequency = <50000000>;
> +                               m25p,fast-read;
> +                               page-size = <256>;
> +                               block-size = <16>;      /* 2^16, 64KB */
> +                               read-delay = <4>;       /* delay value in read data capture register */
> +                               tshsl-ns = <50>;
> +                               tsd2d-ns = <50>;
> +                               tchsh-ns = <4>;
> +                               tslch-ns = <4>;
> +                       };
> +       };
>  };

This node requires documentation under doc/device-tree-bindings/spi/
And also please remove any unneeded attributes/properties with in this
qspi node.

thanks!
-- 
Jagan | openedev.