MX31_PIN_CSPI2_SCLK  535 arch/arm/mach-imx/iomux-mx3.h #define MX31_PIN_CSPI2_SCLK__SCLK	IOMUX_MODE(MX31_PIN_CSPI2_SCLK, IOMUX_CONFIG_FUNC)
MX31_PIN_CSPI2_SCLK  592 arch/arm/mach-imx/iomux-mx3.h #define MX31_PIN_CSPI2_SCLK__I2C3_SCL	IOMUX_MODE(MX31_PIN_CSPI2_SCLK, IOMUX_CONFIG_ALT1)