[PATCH v6 11/12] riscv: add DT binding for BOOT button on Maix board

[Rick Chen]

> From: Heinrich Schuchardt <xypron.glpk at gmx.de>
>
> Add a device tree binding for the BOOT button on the Maix board.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Reviewed-by: Sean Anderson <seanga2 at gmail.com>
> Signed-off-by: Sean Anderson <seanga2 at gmail.com>
> ---
> This commit was previously submitted on its own as
> https://patchwork.ozlabs.org/project/uboot/patch/20200902201159.98034-1-xypron.glpk@gmx.de/
>
> The following is the original commit note:
>
> Together with
> [PATCH 1/1] cmd/button: return button status
> https://lists.denx.de/pipermail/u-boot/2020-September/425221.html
> we can use the button status to decide which program to boot.
>
> Changes in v6:
> - New
>
>  arch/riscv/dts/k210-maix-bit.dts | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>

Reviewed-by: Rick Chen <rick at andestech.com>