linux-kernel - Re: [PATCH 3/6] pinctrl: pxa: pxa2xx: add pin muxing

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Date:	Thu, 10 Dec 2015 16:12:05 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/6] pinctrl: pxa: pxa2xx: add pin muxing

On Sat, Nov 21, 2015 at 7:04 PM, Robert Jarzmik <robert.jarzmik@...e.fr> wrote:

> The driver is inspired from the sunxi driver. The pxa architecture
> specificities leading to the driver are :
>  - each pin has 8 possible alternate functions
>  - 4 of these are output kind
>  - 4 of these are input kind
>  - there is always a "gpio input" and "gpio output" function
>  - the function matrix is very scattered :
>    - some functions can be found on 5 different pads
>    - the number of functions is greater than the number of pins
>    - there is no "topology" grouping of pins (such as all SPI in one
>      corner of the die)
>
> Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>

Patch applied.

Yours,
Linus Walleij
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