Re: [PATCH 1/3] arm64: dts: ti: am654: Add Main System Control Module node

[Nishanth Menon]

On 12:00-20190111, Roger Quadros wrote:
> From: Jyri Sarha <jsarha@xxxxxx>
> 
> Main System control module support is added to the device tree to allow
> driver to access to their control module registers.
> 
> Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> ---
>  arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index 272cf8f..8b55108 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -191,4 +191,12 @@
>  		#address-cells = <1>;
>  		#size-cells = <0>;
>  	};
> +
> +	scm_conf: scm_conf@100000 {
> +		compatible = "syscon", "simple-mfd";
> +		reg = <0 0x00100000 0 0x1c000>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x0 0x0 0x00100000 0x1c000>;

Who handles the MMR region unlock?

> +	};
>  };
> -- 
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> 

-- 
Regards,
Nishanth Menon