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Re: [PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings

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On Fri, May 26, 2017 at 02:35:13PM +0800, Guodong Xu wrote:
> DT bindings for hisilicon HI655x PMIC chip.
> 
> Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
> ---
>  .../bindings/mfd/hisilicon,hi6421v530.txt          | 25 ++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
> new file mode 100644
> index 0000000..6ffe6f6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi6421v530.txt
> @@ -0,0 +1,25 @@
> +Hisilicon Hi6421v530 Power Management Integrated Circuit (PMIC)
> +
> +The hardware layout for access PMIC Hi6421v530 from AP SoC Hi3660.
> +Between PMIC Hi6421v530 and Hi3660, the physical signal channel is SSI.
> +We can use memory-mapped I/O to communicate.
> +
> ++----------------+             +-------------+
> +|                |             |             |
> +|    Hi3660      |   SSI bus   |  Hi6421v530 |
> +|                |-------------|             |
> +|                |(REGMAP_MMIO)|             |
> ++----------------+             +-------------+

regmap is a Linuxism and should not be part of the binding.

So there some sort of controller that generates SSI packets? based on 
MMIO addresses? That should be more fully described here. For example, 
the PMIC should probably be a child of the controller.

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[PATCH 0/6] MFD: add driver for HiSilicon Hi6421v530 PMIC Guodong Xu <guodong.xu@linaro.org> - 2017-05-26 08:40 +0200
  [PATCH 2/6] mfd: hi6421-pmic: move hi6421_regmap_config definition to header file Guodong Xu <guodong.xu@linaro.org> - 2017-05-26 08:40 +0200
    Re: [PATCH 2/6] mfd: hi6421-pmic: move hi6421_regmap_config  definition to header file Arnd Bergmann <arnd@arndb.de> - 2017-05-26 10:40 +0200
      Re: [PATCH 2/6] mfd: hi6421-pmic: move hi6421_regmap_config  definition to header file Guodong Xu <guodong.xu@linaro.org> - 2017-05-27 05:10 +0200
  [PATCH 4/6] regulator: hi6421v530: add driver for hi6421v530 voltage regulator Guodong Xu <guodong.xu@linaro.org> - 2017-05-26 08:40 +0200
    Re: [PATCH 4/6] regulator: hi6421v530: add driver for hi6421v530  voltage regulator Mark Brown <broonie@kernel.org> - 2017-05-26 13:40 +0200
      Re: [PATCH 4/6] regulator: hi6421v530: add driver for hi6421v530  voltage regulator Guodong Xu <guodong.xu@linaro.org> - 2017-05-27 11:50 +0200
    Re: [PATCH 4/6] regulator: hi6421v530: add driver for hi6421v530  voltage regulator Javier Martinez Canillas <javier@dowhile0.org> - 2017-05-26 14:20 +0200
      Re: [PATCH 4/6] regulator: hi6421v530: add driver for hi6421v530  voltage regulator Guodong Xu <guodong.xu@linaro.org> - 2017-05-27 11:50 +0200
  [PATCH 6/6] arm64: defconfig: enable hi6421v530 MFD and regulator Guodong Xu <guodong.xu@linaro.org> - 2017-05-26 08:40 +0200
  [PATCH 5/6] arm64: dts: hikey960: add device node for pmic and regulators Guodong Xu <guodong.xu@linaro.org> - 2017-05-26 08:40 +0200
  [PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings Guodong Xu <guodong.xu@linaro.org> - 2017-05-26 08:40 +0200
    Re: [PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings Rob Herring <robh@kernel.org> - 2017-05-31 20:10 +0200
      Re: [PATCH 1/6] dt-bindings: mfd: Add hi6421v530 bindings Guodong Xu <guodong.xu@linaro.org> - 2017-06-02 11:10 +0200

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