Re: [PATCH 3/6] mfd: devicetree: bindings: 88pm800: Add DT property for 32KHz output enable

[Krzysztof Kozlowski]

W dniu 09.07.2015 o 20:47, Vaibhav Hiremath pisze:
> 88PM800 family of device supports output of 32KHz clock (low jitter)
> on CLK32K2/3 pin which can be supplied to other peripherals on the board.
> 
> This patch adds the devicetree binding to enable this feature.
> 
> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/mfd/88pm800.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/88pm800.txt b/Documentation/devicetree/bindings/mfd/88pm800.txt
> index dec842f..ae1311c 100644
> --- a/Documentation/devicetree/bindings/mfd/88pm800.txt
> +++ b/Documentation/devicetree/bindings/mfd/88pm800.txt
> @@ -9,6 +9,12 @@ Required parent device properties:
>  - #interrupt-cells 	: should be 1.
>  			  The cell is the 88pm80x local IRQ number
>  
> +Optional properties :
> + - marvell,88pm800-32khz-xolj-out-en	: If set, driver will enable low jitter
> +   version of 32Khz clock output on

I am not sure if I understand it correctly. The hardware always has such
clocks and you only want to enable/disable it in DT? Any reasons why
these should not be enabled always?

Enabling it in DT does not look like a job for DT. Maybe you there
should be just a clock driver (clock provider)?

Best regards,
Krzysztof

> +      CLK32K3 - for 88pm800
> +      CLK32K2 - for 88pm860
> +
>  88pm80x family of devices consists of varied group of sub-devices:
>  
>  Device		 	Supply Names	 Description
> 

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