Hello Alim,
On 10/19/2015 08:03 AM, Alim Akhtar wrote:
> This patch adds syscon-{reboot, poweroff} nodes to allow the
> generic syscon-{reboot, poweroff} driver to reset/poweroff exynos3250 SoC.
>
> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/exynos3250.dtsi | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> index 033def482fc3..af5d9ad4c7b7 100644
> --- a/arch/arm/boot/dts/exynos3250.dtsi
> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> @@ -152,6 +152,20 @@
> interrupt-parent = <&gic>;
> };
>
> + poweroff: syscon-poweroff {
> + compatible = "syscon-poweroff";
> + regmap = <&pmu_system_controller>;
> + offset = <0x330C>;
> + mask = <0x5200>;
> + };
> +
> + reboot: syscon-reboot {
> + compatible = "syscon-reboot";
> + regmap = <&pmu_system_controller>;
> + offset = <0x0400>;
> + mask = <0x1>;
> + };
> +
I don't have a Exynos3250 manual but I guess 0x330C is also named
PS_HOLD_CONTROL and 0x400 is SWRESET as the other Exynos SoCs.
I wonder if a macro could be used instead of magic numbers or at
least have a comment next to the offset field.
The patch looks good to me though and a comment can be added as
a follow up so:
Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America
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