linux-kernel - Re: [PATCH] pinctrl: dra: dt-bindings: Add virtual mode configuration option

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Message-ID: <20150714111009.GS17550@atomide.com>
Date:	Tue, 14 Jul 2015 04:10:10 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Nishanth Menon <nm@...com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH] pinctrl: dra: dt-bindings: Add virtual mode
 configuration option

* Nishanth Menon <nm@...com> [150622 08:24]:
> In addition to the regular mux configuration such as mux mode 1,
> 2 etc, certain pins of DRA7 require to have "virtual mode" also
> programmed. This allows for predefined delay characteristics to
> be used by the SoC to meet timing characterstics needed for the
> interface.
> 
> Provide easy to use macro to do the same.
> 
> It is important to note that the official TI guidelines recommend
> to do as minimal pin reconfiguration beyond the bootloader given
> the design of the hardware involved which can result in substantial
> glitches which may impair functionality of certain peripherals.

Applying into omap-for-v4.3/dt thanks.

Tony
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