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Commit f8457d57 authored by Chanwoo Choi's avatar Chanwoo Choi Committed by MyungJoo Ham
Browse files

extcon: MAX77693: Add platform data for MUIC device to initialize registers 



This patch add platform data for MUIC device to initialize register
on probe() call because it should unmask interrupt mask register
and initialize some register related to MUIC device.

Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: default avatarMyungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent bf2627d6

drivers/extcon/extcon-max77693.c

+27 −0
Original line number Diff line number Diff line
@@ -651,6 +651,8 @@ out: 
static int __devinit max77693_muic_probe(struct platform_device *pdev)

{

	struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent);

	struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev);

	struct max77693_muic_platform_data *muic_pdata = pdata->muic_data;

	struct max77693_muic_info *info;

	int ret, i;

	u8 id;
@@ -721,6 +723,31 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) 
		goto err_extcon;

	}



	/* Initialize MUIC register by using platform data */

	for (i = 0 ; i < muic_pdata->num_init_data ; i++) {

		enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR;



		max77693_write_reg(info->max77693->regmap_muic,

				muic_pdata->init_data[i].addr,

				muic_pdata->init_data[i].data);



		switch (muic_pdata->init_data[i].addr) {

		case MAX77693_MUIC_REG_INTMASK1:

			irq_src = MUIC_INT1;

			break;

		case MAX77693_MUIC_REG_INTMASK2:

			irq_src = MUIC_INT2;

			break;

		case MAX77693_MUIC_REG_INTMASK3:

			irq_src = MUIC_INT3;

			break;

		}



		if (irq_src < MAX77693_IRQ_GROUP_NR)

			info->max77693->irq_masks_cur[irq_src]

				= muic_pdata->init_data[i].data;

	}



	/* Check revision number of MUIC device*/

	ret = max77693_read_reg(info->max77693->regmap_muic,

			MAX77693_MUIC_REG_ID, &id);

include/linux/mfd/max77693.h

+13 −0
Original line number Diff line number Diff line
@@ -30,7 +30,20 @@ 
#ifndef __LINUX_MFD_MAX77693_H

#define __LINUX_MFD_MAX77693_H



struct max77693_reg_data {

	u8 addr;

	u8 data;

};



struct max77693_muic_platform_data {

	struct max77693_reg_data *init_data;

	int num_init_data;

};



struct max77693_platform_data {

	int wakeup;



	/* muic data */

	struct max77693_muic_platform_data *muic_data;

};

#endif	/* __LINUX_MFD_MAX77693_H */