[PATCH 1/3] pinctrl: pinctrl-imx: add imx pinctrl core driver

[Sascha Hauer]

On Tue, Apr 17, 2012 at 05:57:23PM +0800, Dong Aisheng wrote:
> Sascha & Shawn,
> 
> Just let you know:
> After changes the pinctrl table may look like:
> (i also removed fsl,* config properties since it was introduced for better
> readability before, but after dtc macro support is available, it could also
> be removed. So i removed now. Then the using is much similar as iomux-v3).
> 
> iomuxc at 020e0000 {
>         compatible = "fsl,imx6q-iomuxc";
>         reg = <0x020e0000 0x4000>;
> 
>         /* shared pinctrl settings */
>         uart4 {
>                 pinctrl_uart4_1: uart4grp-1 {
>                         fsl,pins = <58 61>;
>                         fsl,configs = <0x12407>

Why do we have a hex value for the config now? This should be
independent on how we describe the mux settings.

Also I think a single fsl,configs entry for a pin group is not
enough, what for example with I2C where the data line needs a pullup
whereas the clock line does not?

Sascha

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