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0f66653310
The code responsible for setting proper values in the MUX registers (in the mxs_pinctrl_set_state()) has been ported from Linux kernel - SHA1: 17bb763e7eaf tag v5.1.11 from linux-stable. As the pinctrl node in the imx28.dtsi file has gpio pins nodes as subnodes, it was necessary to use 'dm_scan_fdt_dev()' (as a .bind method) to also make them 'visible' by the DM's "gpio_mxs" driver. Signed-off-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Marek Vasut <marex@denx.de>