1. 03bf428 dm: gpio: pca953x: Support PCA953X with 40 GPIOs by mario.six@gdsys.cc · Mon Apr 25 15:25:37 2016 +0200
  2. ca67507 dm: gpio: pca953x: introduce driver model support for pca953x by Peng Fan · Thu Apr 14 21:45:06 2016 +0800