[ACTIVITY] (Dong Aisheng) May-7-May-11

[Dong Aisheng]

=== Highlights ===

=== Pinctrl ===
 * reviewed some converting imx driver to use pinctrl patches
 * sent out a few pinctrl core fix and clean up patches
 * added pinctrl mx5(mx51/mx53) support
 * wrote a draft patch to implement per bin based config in a group, but it
seemed not good engouht
   and found that current pinctrl config implementation is not suitable for
extend this feature due to different SoC's
   characteristic and requirements, may think more on it and open the issue
for discussion
   with some other people involved.
 * pinctrl gpio support, did not spend too much time on it this week.
    Due to the gpio base of dt is dynamically allocated which is not
suitable for current design,
    still not found good idea to address this issue.
    For IMX, we decided to config gpio in dts file as other pins
temporarily. Will keep tracking on
    it.

=== mxs dt ===
 * reviewd some mxs dt converting patches

=== Plan ===
 * pinctrl per bin based config in the same group
 * pinctrl gpio dt support improvement.
 * convert remain imx drivers to use pinctrl
 * convert mxs driver to support dt
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