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-Kernel driver powr1220
-==================
-
-Supported chips:
-  * Lattice POWR1220AT8
-    Prefix: 'powr1220'
-    Addresses scanned: none
-    Datasheet: Publicly available at the Lattice website
-               http://www.latticesemi.com/
-
-Author: Scott Kanowitz <scott.kanowitz@gmail.com>
-
-Description
------------
-
-This driver supports the Lattice POWR1220AT8 chip. The POWR1220
-includes voltage monitoring for 14 inputs as well as trim settings
-for output voltages and GPIOs. This driver implements the voltage
-monitoring portion of the chip.
-
-Voltages are sampled by a 12-bit ADC with a step size of 2 mV.
-An in-line attenuator allows measurements from 0 to 6 V. The
-attenuator is enabled or disabled depending on the setting of the
-input's max value. The driver will enable the attenuator for any
-value over the low measurement range maximum of 2 V.
-
-The input naming convention is as follows:
-
-driver name    pin name
-in0            VMON1
-in1            VMON2
-in2            VMON3
-in2            VMON4
-in4            VMON5
-in5            VMON6
-in6            VMON7
-in7            VMON8
-in8            VMON9
-in9            VMON10
-in10           VMON11
-in11           VMON12
-in12           VCCA
-in13           VCCINP
-
-The ADC readings are updated on request with a minimum period of 1s.