On Thu, May 25, 2017 at 5:24 AM, Sergey Matyukevich <geomatsi@xxxxxxxxx> wrote:
> SPI NOR flash was optional in the first production batch in Dec 2016.
> In later batches flash chip was pre-populated. However there should
> be quite a few boards around which do not have flash chip.
>
> Add node for SPI NOR flash on orange-pi-zero board. Disable this node
> by default and leave it to users to enable it if their board has
> SPI NOR flash chip populated.
>
> Signed-off-by: Sergey Matyukevich <geomatsi@xxxxxxxxx>
> ---
> arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
> index e97dfd1775d1..bbbd8c656914 100644
> --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
> +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
> @@ -138,6 +138,19 @@
> bias-pull-up;
> };
>
> +&spi0 {
> + /* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
> + status = "disabled";
> +
> + flash@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "mxicy,mx25l1606e", "winbond,w25q128";
> + reg = <0>;
> + spi-max-frequency = <40000000>;
> + };
> +};
> +
> &ohci0 {
Please sort the node references in alphabetical order.
ChenYu
> status = "okay";
> };
> --
> 2.11.0
>
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
