UPBOARD_FUNCTION
UPBOARD_FUNCTION("uart1", upboard_up_uart1_groups),
UPBOARD_FUNCTION("i2c0", upboard_up_i2c0_groups),
UPBOARD_FUNCTION("i2c1", upboard_up_i2c1_groups),
UPBOARD_FUNCTION("spi2", upboard_up_spi2_groups),
UPBOARD_FUNCTION("i2s0", upboard_up_i2s0_groups),
UPBOARD_FUNCTION("pwm0", upboard_up_pwm0_groups),
UPBOARD_FUNCTION("pwm1", upboard_up_pwm1_groups),
UPBOARD_FUNCTION("adc0", upboard_up_adc0_groups),
UPBOARD_FUNCTION("uart1", upboard_up2_uart1_groups),
UPBOARD_FUNCTION("i2c0", upboard_up2_i2c0_groups),
UPBOARD_FUNCTION("i2c1", upboard_up2_i2c1_groups),
UPBOARD_FUNCTION("spi1", upboard_up2_spi1_groups),
UPBOARD_FUNCTION("spi2", upboard_up2_spi2_groups),
UPBOARD_FUNCTION("i2s0", upboard_up2_i2s0_groups),
UPBOARD_FUNCTION("pwm0", upboard_up2_pwm0_groups),
UPBOARD_FUNCTION("pwm1", upboard_up2_pwm1_groups),
UPBOARD_FUNCTION("adc0", upboard_up2_adc0_groups),
UPBOARD_FUNCTION("adc2", upboard_up2_adc2_groups),
UPBOARD_FUNCTION("adc3", upboard_up2_adc3_groups),