Re: [PATCH 2/5] mfd: arizona: Add device tree binding for max_channels_clocked

From: Stephen Warren
Date: Mon Sep 23 2013 - 17:38:19 EST


On 09/23/2013 12:30 PM, Charles Keepax wrote:
> Add device tree bindings for the pdata max_channels_clocked, that allows
> the user to limit the number of channels clocked on a single AIF.

> diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt

> + - wlf,max-channels-clocked : The maximum number of channels to be clocked on
> + each AIF, useful for I2S systems with multiple data lines being mastered.
> + If specified three cells must supplied one for each AIF, specify zero for
> + AIFs that should be handled normally.

What determines the value of this property? Is it really a definition of
HW, or some kind of run-time configuration/limit? What goes into each of
the 3 cells?
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