|  | Kernel driver MCP3021 | 
|  | ====================== | 
|  |  | 
|  | Supported chips: | 
|  | * Microchip Technology MCP3021 | 
|  | Prefix: 'mcp3021' | 
|  | Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/21805a.pdf | 
|  |  | 
|  | Author: Mingkai Hu | 
|  |  | 
|  | Description | 
|  | ----------- | 
|  |  | 
|  | This driver implements support for the Microchip Technology MCP3021 chip. | 
|  |  | 
|  | The Microchip Technology Inc. MCP3021 is a successive approximation A/D | 
|  | converter (ADC) with 10-bit resolution. | 
|  | This device provides one single-ended input with very low power consumption. | 
|  | Communication to the MCP3021 is performed using a 2-wire I2C compatible | 
|  | interface. Standard (100 kHz) and Fast (400 kHz) I2C modes are available. | 
|  | The default I2C device address is 0x4d (contact the Microchip factory for | 
|  | additional address options). |