IOMUXC_GPR4        15 include/linux/mfd/syscon/imx6q-iomuxc-gpr.h #define IOMUXC_GPR4	0x10
IOMUXC_GPR4        13 include/linux/mfd/syscon/imx7-iomuxc-gpr.h #define IOMUXC_GPR4	0x10