echo spi1_sclk > /sys/devices/platform/ocp/ocp:ECAP0_PWM_pinmux/state
echo spi1 >      /sys/devices/platform/ocp/ocp:UART0_CTSN_pinmux/state
echo spi1 >      /sys/devices/platform/ocp/ocp:UART0_RTSN_pinmux/state
