[PATCH 3/6] mfd: devicetree: bindings: 88pm800: Add DT property for 32KHz output enable
k.kozlowski at samsung.com
Sat Jul 11 00:11:52 PDT 2015
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 at linaro.org>
> 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)?
> + 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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