1*4882a593SmuzhiyunWhat: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency 2*4882a593SmuzhiyunKernelVersion: 3*4882a593SmuzhiyunContact: linux-iio@vger.kernel.org 4*4882a593SmuzhiyunDescription: 5*4882a593Smuzhiyun Stores the PLL frequency in Hz for channel Y. 6*4882a593Smuzhiyun Reading returns the actual frequency in Hz. 7*4882a593Smuzhiyun The ADF4371 has an integrated VCO with fundamendal output 8*4882a593Smuzhiyun frequency ranging from 4000000000 Hz 8000000000 Hz. 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun out_altvoltage0_frequency: 11*4882a593Smuzhiyun A divide by 1, 2, 4, 8, 16, 32 or circuit generates 12*4882a593Smuzhiyun frequencies from 62500000 Hz to 8000000000 Hz. 13*4882a593Smuzhiyun out_altvoltage1_frequency: 14*4882a593Smuzhiyun This channel duplicates the channel 0 frequency 15*4882a593Smuzhiyun out_altvoltage2_frequency: 16*4882a593Smuzhiyun A frequency doubler generates frequencies from 17*4882a593Smuzhiyun 8000000000 Hz to 16000000000 Hz. 18*4882a593Smuzhiyun out_altvoltage3_frequency: 19*4882a593Smuzhiyun A frequency quadrupler generates frequencies from 20*4882a593Smuzhiyun 16000000000 Hz to 32000000000 Hz. 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun Note: writes to one of the channels will affect the frequency of 23*4882a593Smuzhiyun all the other channels, since it involves changing the VCO 24*4882a593Smuzhiyun fundamental output frequency. 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunWhat: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_name 27*4882a593SmuzhiyunKernelVersion: 28*4882a593SmuzhiyunContact: linux-iio@vger.kernel.org 29*4882a593SmuzhiyunDescription: 30*4882a593Smuzhiyun Reading returns the datasheet name for channel Y:: 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun out_altvoltage0_name: RF8x 33*4882a593Smuzhiyun out_altvoltage1_name: RFAUX8x 34*4882a593Smuzhiyun out_altvoltage2_name: RF16x 35*4882a593Smuzhiyun out_altvoltage3_name: RF32x 36*4882a593Smuzhiyun 37*4882a593SmuzhiyunWhat: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown 38*4882a593SmuzhiyunKernelVersion: 39*4882a593SmuzhiyunContact: linux-iio@vger.kernel.org 40*4882a593SmuzhiyunDescription: 41*4882a593Smuzhiyun This attribute allows the user to power down the PLL and it's 42*4882a593Smuzhiyun RFOut buffers. 43*4882a593Smuzhiyun Writing 1 causes the specified channel to power down. 44*4882a593Smuzhiyun Clearing returns to normal operation. 45