linux-kernel - Re: [PATCH V2 1/2] mfd: add Marvell 88pm88x description

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Date:	Tue, 23 Jun 2015 09:31:00 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Yi Zhang <yizhang@...vell.com>,
	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Paul Bolle <pebolle@...cali.nl>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Qiao Zhou <zhouqiao@...vell.com>, zhenzh@...vell.com
Subject: Re: [PATCH V2 1/2] mfd: add Marvell 88pm88x description

On Fri, Jun 12, 2015 at 3:43 AM, Yi Zhang <yizhang@...vell.com> wrote:
> 88pm880 and 88pm886 are two combo PMIC chips, most of the function and the
> register mapping are the same

How do they compare to 80x/822/860 PMICs?

>
> Signed-off-by: Yi Zhang <yizhang@...vell.com>
> ---
>  Documentation/devicetree/bindings/mfd/88pm88x.txt | 33 +++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/88pm88x.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/88pm88x.txt b/Documentation/devicetree/bindings/mfd/88pm88x.txt
> new file mode 100644
> index 0000000..72e741c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/88pm88x.txt
> @@ -0,0 +1,33 @@
> +Marvell 88pm88x combo PMIC chip
> +
> +This series of chip integrates regulator, rtc, onkey, switch charger,
> +fuelgauge, gpadc and a range of I/O pins.
> +
> +88pm886 and 88pm880 are two very similar chips, most of the registers mapping
> +and functions are the same, the main difference is the latter has a separate
> +i2c slave address to cover BUCK related setting
> +
> +Required properties:
> +- compatible: one of the strings for a specific chip:
> +  "marvell,88pm886"
> +  "marvell,88pm880"
> +- reg: the i2c address
> +- interrupt-controller: it works as an interrupt controller managing its irqs
> +- interrupt-cells: this value is 1
> +
> +Optional properties:
> +- marvell,88pm88x-irq-write-clear: the interrupt ack method

The 80x/860 binding needs the same property. Please coordinate this
with Vaibhav.

Rob
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