Re: [PATCH 1/2] arm: dts: bcm5301x: Add syscon based reboot in DT

[Scott Branden]

On 16-06-28 03:10 PM, Jon Mason wrote:
> From: Jon Mason <jonmason@xxxxxxxxxxxx>
>
> Add the ability to reboot via a reset of the processor.  This is
> achieved via a write of 0x39 to the CRU Reset Register.  Unfortunately,
> this only resets the core and not the other IP blocks.  So if possible,
> other methods should be used on the individual boards.
Is it possible to force a watchdog reset instead for reboot?

> Signed-off-by: Jon Mason <jonmason@xxxxxxxxxxxx>
> ---
>   arch/arm/boot/dts/bcm5301x.dtsi | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
> index 7d4d29b..f878d0d 100644
> --- a/arch/arm/boot/dts/bcm5301x.dtsi
> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
> @@ -260,6 +260,18 @@
>   				     "sata2";
>   	};
>
> +	cru: system-controller@1800c184 {
> +		compatible = "brcm,bcm53010-cru", "syscon";
> +		reg = <0x1800c184 0x4>;
> +	};
> +
> +	reboot@1800c184 {
> +		compatible ="syscon-reboot";
> +		regmap = <&cru>;
> +		offset = <0>;
> +		mask = <0x39>;
> +	};
> +
>   	nand: nand@18028000 {
>   		compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand";
>   		reg = <0x18028000 0x600>, <0x1811a408 0x600>, <0x18028f00 0x20>;