Commit 48c92022 authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[MFD] Add code UCB1200/UCB1300 assabet platform support 



Add support for Intel assabet specific board support for
UCB1200/UCB1300 devices.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent acb45439

drivers/mfd/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -6,3 +6,7 @@ obj-$(CONFIG_MCP) += mcp-core.o 
obj-$(CONFIG_MCP_SA11X0)	+= mcp-sa11x0.o

obj-$(CONFIG_MCP_UCB1200)	+= ucb1x00-core.o

obj-$(CONFIG_MCP_UCB1200_TS)	+= ucb1x00-ts.o



ifeq ($(CONFIG_SA1100_ASSABET),y)

obj-$(CONFIG_MCP_UCB1200)	+= ucb1x00-assabet.o

endif

drivers/mfd/ucb1x00-assabet.c

0 → 100644
+73 −0
Original line number Diff line number Diff line 
/*

 *  linux/drivers/mfd/ucb1x00-assabet.c

 *

 *  Copyright (C) 2001-2003 Russell King, All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License.

 *

 *  We handle the machine-specific bits of the UCB1x00 driver here.

 */

#include <linux/module.h>

#include <linux/init.h>

#include <linux/fs.h>

#include <linux/proc_fs.h>

#include <linux/device.h>



#include <asm/dma.h>



#include "ucb1x00.h"



#define UCB1X00_ATTR(name,input)\

static ssize_t name##_show(struct class_device *dev, char *buf)	\

{								\

	struct ucb1x00 *ucb = classdev_to_ucb1x00(dev);		\

	int val;						\

	ucb1x00_adc_enable(ucb);				\

	val = ucb1x00_adc_read(ucb, input, UCB_NOSYNC);		\

	ucb1x00_adc_disable(ucb);				\

	return sprintf(buf, "%d\n", val);			\

}								\

static CLASS_DEVICE_ATTR(name,0444,name##_show,NULL)



UCB1X00_ATTR(vbatt, UCB_ADC_INP_AD1);

UCB1X00_ATTR(vcharger, UCB_ADC_INP_AD0);

UCB1X00_ATTR(batt_temp, UCB_ADC_INP_AD2);



static int ucb1x00_assabet_add(struct ucb1x00_dev *dev)

{

	class_device_create_file(&dev->ucb->cdev, &class_device_attr_vbatt);

	class_device_create_file(&dev->ucb->cdev, &class_device_attr_vcharger);

	class_device_create_file(&dev->ucb->cdev, &class_device_attr_batt_temp);

	return 0;

}



static void ucb1x00_assabet_remove(struct ucb1x00_dev *dev)

{

	class_device_remove_file(&dev->ucb->cdev, &class_device_attr_batt_temp);

	class_device_remove_file(&dev->ucb->cdev, &class_device_attr_vcharger);

	class_device_remove_file(&dev->ucb->cdev, &class_device_attr_vbatt);

}



static struct ucb1x00_driver ucb1x00_assabet_driver = {

	.add	= ucb1x00_assabet_add,

	.remove	= ucb1x00_assabet_remove,

};



static int __init ucb1x00_assabet_init(void)

{

	return ucb1x00_register_driver(&ucb1x00_assabet_driver);

}



static void __exit ucb1x00_assabet_exit(void)

{

	ucb1x00_unregister_driver(&ucb1x00_assabet_driver);

}



module_init(ucb1x00_assabet_init);

module_exit(ucb1x00_assabet_exit);



MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");

MODULE_DESCRIPTION("Assabet noddy testing only example ADC driver");

MODULE_LICENSE("GPL");