1What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency 2KernelVersion: 3Contact: linux-iio@vger.kernel.org 4Description: 5 Stores the PLL frequency in Hz for channel Y. 6 Reading returns the actual frequency in Hz. 7 The ADF4371 has an integrated VCO with fundamendal output 8 frequency ranging from 4000000000 Hz 8000000000 Hz. 9 10 out_altvoltage0_frequency: 11 A divide by 1, 2, 4, 8, 16, 32 or circuit generates 12 frequencies from 62500000 Hz to 8000000000 Hz. 13 out_altvoltage1_frequency: 14 This channel duplicates the channel 0 frequency 15 out_altvoltage2_frequency: 16 A frequency doubler generates frequencies from 17 8000000000 Hz to 16000000000 Hz. 18 out_altvoltage3_frequency: 19 A frequency quadrupler generates frequencies from 20 16000000000 Hz to 32000000000 Hz. 21 22 Note: writes to one of the channels will affect the frequency of 23 all the other channels, since it involves changing the VCO 24 fundamental output frequency. 25 26What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_name 27KernelVersion: 28Contact: linux-iio@vger.kernel.org 29Description: 30 Reading returns the datasheet name for channel Y: 31 32 out_altvoltage0_name: RF8x 33 out_altvoltage1_name: RFAUX8x 34 out_altvoltage2_name: RF16x 35 out_altvoltage3_name: RF32x 36 37What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown 38KernelVersion: 39Contact: linux-iio@vger.kernel.org 40Description: 41 This attribute allows the user to power down the PLL and it's 42 RFOut buffers. 43 Writing 1 causes the specified channel to power down. 44 Clearing returns to normal operation. 45