pinctrl: freescale: imx: add shared input select reg support
- Add shared input select register support - imx7d has two iomux controllers iomuxc and iomuxc-lpsr which share select_input register for daisy chain settings Signed-off-by: NAdrian Alonso <aalonso@freescale.com> Acked-by: NShawn Guo <shawnguo@kernel.org> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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