linux-kernel - Re: [PATCH v8 1/5] mfd: hi655x: Add document for mfd hi665x PMIC

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Date:	Mon, 15 Feb 2016 08:32:04 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Chen Feng <puck.chen@...ilicon.com>
Cc:	lgirdwood@...il.com, broonie@...nel.org,
	linux-kernel@...r.kernel.org, w.f@...wei.com,
	kong.kongxinwei@...ilicon.com, haojian.zhuang@...aro.org,
	suzhuangluan@...ilicon.com, dan.zhao@...ilicon.com
Subject: Re: [PATCH v8 1/5] mfd: hi655x: Add document for mfd hi665x PMIC

On Sun, 14 Feb 2016, Chen Feng wrote:

> DT bindings for hisilicon hi655x MFD PMIC chip.
> 
> Signed-off-by: Chen Feng <puck.chen@...ilicon.com>
> Signed-off-by: Fei Wang <w.f@...wei.com>
> Signed-off-by: Xinwei Kong <kong.kongxinwei@...ilicon.com>
> Reviewed-by: Haojian Zhuang <haojian.zhuang@...aro.org>
> ---
>  .../devicetree/bindings/mfd/hisilicon,hi655x.txt   | 27 ++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt

For my own reference:
  Acked-by: Lee Jones <lee.jones@...aro.org>

> diff --git a/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
> new file mode 100644
> index 0000000..0548569
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/hisilicon,hi655x.txt
> @@ -0,0 +1,27 @@
> +Hisilicon Hi655x Power Management Integrated Circuit (PMIC)
> +
> +The hardware layout for access PMIC Hi655x from AP SoC Hi6220.
> +Between PMIC Hi655x and Hi6220, the physical signal channel is SSI.
> +We can use memory-mapped I/O to communicate.
> +
> ++----------------+             +-------------+
> +|                |             |             |
> +|    Hi6220      |   SSI bus   |   Hi655x    |
> +|                |-------------|             |
> +|                |(REGMAP_MMIO)|             |
> ++----------------+             +-------------+
> +
> +Required properties:
> +- compatible:           Should be "hisilicon,hi655x-pmic".
> +- reg:                  Base address of PMIC on Hi6220 SoC.
> +- interrupt-controller: Hi655x has internal IRQs (has own IRQ domain).
> +- pmic-gpios:           The GPIO used by PMIC IRQ.
> +
> +Example:
> +	pmic: pmic@...00000 {
> +		compatible = "hisilicon,hi655x-pmic";
> +		reg = <0x0 0xf8000000 0x0 0x1000>;
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
> +	}

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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