rtc: add support for maxim dallas rtc ds1343 and ds1344

[RAGHAVENDRA GANIGA]

> On Wed, 30 Apr 2014 21:55:07 +0530
> Raghavendra Ganiga <ravi23ganiga@xxxxxxxxx> wrote:
>> +static int ds1343_proc(struct device *dev, struct seq_file *seq)
>> +{
>> +     struct ds1343_priv *priv = dev_get_drvdata(dev);
>> +     unsigned int data;
>> +     unsigned char alarm_mode = 0;
>> +     const char *alarm_str, *diodes = "disabled", *resistors = " ";
>> +
>> +     regmap_read(priv->map, DS1343_CONTROL_REG, &data);
>  is this thing really useful? what about having sysfs entries
>  instead?



i am replacing the proc interface with the sysfs entries
also removing the unnecessary parameters. i am adding the
following parameters as sysfs entries

1. glitch filter read and write parameter
2. alarm status read parameter
3. alarm mode read parameter
4. trickle charger read parameter

and i am removing the proc interface. 

is the above implementation ok as per your last comment
on the proc interface. please provide the feedback.

Thanks and regards
Raghavendra Chandra Ganiga

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