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ARM: HWMON: S3C24XX series ADC driver

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Add support for the ADC controller on the S3C series of processors to
drivers/hwmon for use with hardware monitoring systems.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks
2009-07-18 10:12:28 +01:00
committed by Ben Dooks
parent e170adcb40
commit bff78650a2
4 changed files with 464 additions and 0 deletions
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41
arch/arm/plat-s3c/include/plat/hwmon.h Normal file
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/* linux/arch/arm/plat-s3c/include/plat/hwmon.h
*
* Copyright 2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* S3C - HWMon interface for ADC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_ADC_HWMON_H
#define __ASM_ARCH_ADC_HWMON_H __FILE__
/**
* s3c_hwmon_chcfg - channel configuration
* @name: The name to give this channel.
* @mult: Multiply the ADC value read by this.
* @div: Divide the value from the ADC by this.
*
* The value read from the ADC is converted to a value that
* hwmon expects (mV) by result = (value_read * @mult) / @div.
*/
struct s3c_hwmon_chcfg {
const char *name;
unsigned int mult;
unsigned int div;
};
/**
* s3c_hwmon_pdata - HWMON platform data
* @in: One configuration for each possible channel used.
*/
struct s3c_hwmon_pdata {
struct s3c_hwmon_chcfg *in[8];
};
#endif /* __ASM_ARCH_ADC_HWMON_H */