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Re: [PATCH 1/5] regulator: st-flashss: Add DT binding documentation for flashss regulator.

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  Re: [PATCH 1/5] regulator: st-flashss: Add DT binding documentation  for flashss regulator. Rob Herring <robh@kernel.org> - 2016-04-18 19:00 +0200

#1381914 — Re: [PATCH 1/5] regulator: st-flashss: Add DT binding documentation for flashss regulator.

On Tue, Apr 12, 2016 at 04:16:40PM +0100, Peter Griffin wrote:
> This patch adds the DT doc for the flashss regulator driver which is
> found in stih407 based silicon.
> 
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> ---
>  .../devicetree/bindings/regulator/st-flashss.txt   | 43 ++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/st-flashss.txt
> 
> diff --git a/Documentation/devicetree/bindings/regulator/st-flashss.txt b/Documentation/devicetree/bindings/regulator/st-flashss.txt
> new file mode 100644
> index 0000000..04324d5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/st-flashss.txt
> @@ -0,0 +1,43 @@
> +ST Voltage regulator for FlashSS vsense
> +
> +This documents the voltage regulator driver which manages the vsense inside the ST flash

Bindings document h/w, not drivers.
> +sub-system that is used for configuring MMC, NAND, SPI voltages.
> +
> +Required properties:
> +- compatible:		Can be "st,vqmmc", "st,vnand" or "st,vspi" because it is shared
> +			among these devices inside the ST FlashSS.
> +- regulator-name:	Regulator name.
> +- reg:			The vsense top config base address in the flashSS hardware.
> +
> +Any property defined as part of the core regulator binding, in
> +Documentation/devicetree/bindings/regulator/regulator.txt can also be used.
> +
> +Example:
> +
> +vqmmc_reg: voltage-regulator {
> +	compatible = "st,vqmmc";
> +	regulator-name = "vqmmc0";
> +	/* Control register for the VSENSE Module */

I'm having a hard time understanding the relationship of FlashSS, VSENSE 
and the compatible strings. The binding looks suspect to me though. If 
VSENSE is a module, then I'd expect a compatible string for it.

Rob

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