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Commit 9d263813 authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Bryan Wu
Browse files

leds: leds-mc13783: Prepare driver to support MC13892 LEDs 



This patch rewrite driver code to be ready to add support for
MC13892 LEDs and probe from devicetree.

(cooloney@gmail.com: fix one coding style issue when apply this patch)

Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Tested-by: default avatarPhilippe Retornaz <philippe.retornaz@epfl.ch>
Signed-off-by: default avatarBryan Wu <cooloney@gmail.com>
parent fb277f5b

arch/arm/mach-imx/mach-mx31moboard.c

+5 −4
Original line number Diff line number Diff line
@@ -268,10 +268,11 @@ static struct mc13xxx_led_platform_data moboard_led[] = { 
static struct mc13xxx_leds_platform_data moboard_leds = {

	.num_leds = ARRAY_SIZE(moboard_led),

	.led = moboard_led,

	.flags = MC13783_LED_SLEWLIMTC,

	.abmode = MC13783_LED_AB_DISABLED,

	.tc1_period = MC13783_LED_PERIOD_10MS,

	.tc2_period = MC13783_LED_PERIOD_10MS,

	.led_control[0]	= MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),

	.led_control[1]	= MC13783_LED_C1_SLEWLIM,

	.led_control[2]	= MC13783_LED_C2_SLEWLIM,

	.led_control[3]	= MC13783_LED_C3_PERIOD(0),

	.led_control[4]	= MC13783_LED_C3_PERIOD(0),

};



static struct mc13xxx_buttons_platform_data moboard_buttons = {

drivers/leds/leds-mc13783.c

+156 −250
Original line number Diff line number Diff line
@@ -22,9 +22,16 @@ 
#include <linux/leds.h>

#include <linux/workqueue.h>

#include <linux/mfd/mc13xxx.h>

#include <linux/slab.h>



struct mc13783_led {

#define MC13XXX_REG_LED_CONTROL(x)	(51 + (x))



struct mc13xxx_led_devtype {

	int	led_min;

	int	led_max;

	int	num_regs;

};



struct mc13xxx_led {

	struct led_classdev	cdev;

	struct work_struct	work;

	struct mc13xxx		*master;
@@ -32,66 +39,35 @@ struct mc13783_led { 
	int			id;

};



#define MC13783_REG_LED_CONTROL_0	51

#define MC13783_LED_C0_ENABLE_BIT	(1 << 0)

#define MC13783_LED_C0_TRIODE_MD_BIT	(1 << 7)

#define MC13783_LED_C0_TRIODE_AD_BIT	(1 << 8)

#define MC13783_LED_C0_TRIODE_KP_BIT	(1 << 9)

#define MC13783_LED_C0_BOOST_BIT	(1 << 10)

#define MC13783_LED_C0_ABMODE_MASK	0x7

#define MC13783_LED_C0_ABMODE		11

#define MC13783_LED_C0_ABREF_MASK	0x3

#define MC13783_LED_C0_ABREF		14



#define MC13783_REG_LED_CONTROL_1	52

#define MC13783_LED_C1_TC1HALF_BIT	(1 << 18)



#define MC13783_REG_LED_CONTROL_2	53

#define MC13783_LED_C2_BL_P_MASK	0xf

#define MC13783_LED_C2_MD_P		9

#define MC13783_LED_C2_AD_P		13

#define MC13783_LED_C2_KP_P		17

#define MC13783_LED_C2_BL_C_MASK	0x7

#define MC13783_LED_C2_MD_C		0

#define MC13783_LED_C2_AD_C		3

#define MC13783_LED_C2_KP_C		6



#define MC13783_REG_LED_CONTROL_3	54

#define MC13783_LED_C3_TC_P		6

#define MC13783_LED_C3_TC_P_MASK	0x1f



#define MC13783_REG_LED_CONTROL_4	55

#define MC13783_REG_LED_CONTROL_5	56



#define MC13783_LED_Cx_PERIOD		21

#define MC13783_LED_Cx_PERIOD_MASK	0x3

#define MC13783_LED_Cx_SLEWLIM_BIT      (1 << 23)

#define MC13783_LED_Cx_TRIODE_TC_BIT	(1 << 23)

#define MC13783_LED_Cx_TC_C_MASK	0x3



static void mc13783_led_work(struct work_struct *work)

struct mc13xxx_leds {

	struct mc13xxx_led_devtype	*devtype;

	int				num_leds;

	struct mc13xxx_led		led[0];

};



static void mc13xxx_led_work(struct work_struct *work)

{

	struct mc13783_led *led = container_of(work, struct mc13783_led, work);

	int reg = 0;

	int mask = 0;

	int value = 0;

	int bank, off, shift;

	struct mc13xxx_led *led = container_of(work, struct mc13xxx_led, work);

	int reg, mask, value, bank, off, shift;



	switch (led->id) {

	case MC13783_LED_MD:

		reg = MC13783_REG_LED_CONTROL_2;

		mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_MD_P;

		value = (led->new_brightness >> 4) << MC13783_LED_C2_MD_P;

		reg = MC13XXX_REG_LED_CONTROL(2);

		shift = 9;

		mask = 0x0f;

		value = led->new_brightness >> 4;

		break;

	case MC13783_LED_AD:

		reg = MC13783_REG_LED_CONTROL_2;

		mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_AD_P;

		value = (led->new_brightness >> 4) << MC13783_LED_C2_AD_P;

		reg = MC13XXX_REG_LED_CONTROL(2);

		shift = 13;

		mask = 0x0f;

		value = led->new_brightness >> 4;

		break;

	case MC13783_LED_KP:

		reg = MC13783_REG_LED_CONTROL_2;

		mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_KP_P;

		value = (led->new_brightness >> 4) << MC13783_LED_C2_KP_P;

		reg = MC13XXX_REG_LED_CONTROL(2);

		shift = 17;

		mask = 0x0f;

		value = led->new_brightness >> 4;

		break;

	case MC13783_LED_R1:

	case MC13783_LED_G1:
@@ -104,56 +80,49 @@ static void mc13783_led_work(struct work_struct *work) 
	case MC13783_LED_B3:

		off = led->id - MC13783_LED_R1;

		bank = off / 3;

		reg = MC13783_REG_LED_CONTROL_3 + off/3;

		shift = (off - bank * 3) * 5 + MC13783_LED_C3_TC_P;

		value = (led->new_brightness >> 3) << shift;

		mask = MC13783_LED_C3_TC_P_MASK << shift;

		reg = MC13XXX_REG_LED_CONTROL(3) + bank;

		shift = (off - bank * 3) * 5 + 6;

		value = led->new_brightness >> 3;

		mask = 0x1f;

		break;

	default:

		BUG();

	}



	mc13xxx_lock(led->master);



	mc13xxx_reg_rmw(led->master, reg, mask, value);



	mc13xxx_reg_rmw(led->master, reg, mask << shift, value << shift);

	mc13xxx_unlock(led->master);

}



static void mc13783_led_set(struct led_classdev *led_cdev,

static void mc13xxx_led_set(struct led_classdev *led_cdev,

			    enum led_brightness value)

{

	struct mc13783_led *led;

	struct mc13xxx_led *led =

		container_of(led_cdev, struct mc13xxx_led, cdev);



	led = container_of(led_cdev, struct mc13783_led, cdev);

	led->new_brightness = value;

	schedule_work(&led->work);

}



static int mc13783_led_setup(struct mc13783_led *led, int max_current)

static int __init mc13xxx_led_setup(struct mc13xxx_led *led, int max_current)

{

	int shift = 0;

	int mask = 0;

	int value = 0;

	int reg = 0;

	int ret, bank;

	int shift, mask, reg, ret, bank;



	switch (led->id) {

	case MC13783_LED_MD:

		shift = MC13783_LED_C2_MD_C;

		mask = MC13783_LED_C2_BL_C_MASK;

		value = max_current & MC13783_LED_C2_BL_C_MASK;

		reg = MC13783_REG_LED_CONTROL_2;

		reg = MC13XXX_REG_LED_CONTROL(2);

		shift = 0;

		mask = 0x07;

		break;

	case MC13783_LED_AD:

		shift = MC13783_LED_C2_AD_C;

		mask = MC13783_LED_C2_BL_C_MASK;

		value = max_current & MC13783_LED_C2_BL_C_MASK;

		reg = MC13783_REG_LED_CONTROL_2;

		reg = MC13XXX_REG_LED_CONTROL(2);

		shift = 3;

		mask = 0x07;

		break;

	case MC13783_LED_KP:

		shift = MC13783_LED_C2_KP_C;

		mask = MC13783_LED_C2_BL_C_MASK;

		value = max_current & MC13783_LED_C2_BL_C_MASK;

		reg = MC13783_REG_LED_CONTROL_2;

		reg = MC13XXX_REG_LED_CONTROL(2);

		shift = 6;

		mask = 0x07;

		break;

	case MC13783_LED_R1:

	case MC13783_LED_G1:
@@ -165,227 +134,164 @@ static int mc13783_led_setup(struct mc13783_led *led, int max_current) 
	case MC13783_LED_G3:

	case MC13783_LED_B3:

		bank = (led->id - MC13783_LED_R1) / 3;

		reg = MC13783_REG_LED_CONTROL_3 + bank;

		reg = MC13XXX_REG_LED_CONTROL(3) + bank;

		shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2;

		mask = MC13783_LED_Cx_TC_C_MASK;

		value = max_current & MC13783_LED_Cx_TC_C_MASK;

		mask = 0x03;

		break;

	default:

		BUG();

	}



	mc13xxx_lock(led->master);



	ret = mc13xxx_reg_rmw(led->master, reg, mask << shift,

						value << shift);



			      max_current << shift);

	mc13xxx_unlock(led->master);

	return ret;

}



static int mc13783_leds_prepare(struct platform_device *pdev)

{

	struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);

	struct mc13xxx *dev = dev_get_drvdata(pdev->dev.parent);

	int ret = 0;

	int reg = 0;



	mc13xxx_lock(dev);



	if (pdata->flags & MC13783_LED_TC1HALF)

		reg |= MC13783_LED_C1_TC1HALF_BIT;



	if (pdata->flags & MC13783_LED_SLEWLIMTC)

		reg |= MC13783_LED_Cx_SLEWLIM_BIT;



	ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_1, reg);

	if (ret)

		goto out;



	reg = (pdata->bl_period & MC13783_LED_Cx_PERIOD_MASK) <<

							MC13783_LED_Cx_PERIOD;



	if (pdata->flags & MC13783_LED_SLEWLIMBL)

		reg |= MC13783_LED_Cx_SLEWLIM_BIT;



	ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_2, reg);

	if (ret)

		goto out;



	reg = (pdata->tc1_period & MC13783_LED_Cx_PERIOD_MASK) <<

							MC13783_LED_Cx_PERIOD;



	if (pdata->flags & MC13783_LED_TRIODE_TC1)

		reg |= MC13783_LED_Cx_TRIODE_TC_BIT;



	ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_3, reg);

	if (ret)

		goto out;



	reg = (pdata->tc2_period & MC13783_LED_Cx_PERIOD_MASK) <<

							MC13783_LED_Cx_PERIOD;



	if (pdata->flags & MC13783_LED_TRIODE_TC2)

		reg |= MC13783_LED_Cx_TRIODE_TC_BIT;



	ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_4, reg);

	if (ret)

		goto out;



	reg = (pdata->tc3_period & MC13783_LED_Cx_PERIOD_MASK) <<

							MC13783_LED_Cx_PERIOD;



	if (pdata->flags & MC13783_LED_TRIODE_TC3)

		reg |= MC13783_LED_Cx_TRIODE_TC_BIT;



	ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_5, reg);

	if (ret)

		goto out;



	reg = MC13783_LED_C0_ENABLE_BIT;

	if (pdata->flags & MC13783_LED_TRIODE_MD)

		reg |= MC13783_LED_C0_TRIODE_MD_BIT;

	if (pdata->flags & MC13783_LED_TRIODE_AD)

		reg |= MC13783_LED_C0_TRIODE_AD_BIT;

	if (pdata->flags & MC13783_LED_TRIODE_KP)

		reg |= MC13783_LED_C0_TRIODE_KP_BIT;

	if (pdata->flags & MC13783_LED_BOOST_EN)

		reg |= MC13783_LED_C0_BOOST_BIT;



	reg |= (pdata->abmode & MC13783_LED_C0_ABMODE_MASK) <<

							MC13783_LED_C0_ABMODE;

	reg |= (pdata->abref & MC13783_LED_C0_ABREF_MASK) <<

							MC13783_LED_C0_ABREF;



	ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_0, reg);



out:

	mc13xxx_unlock(dev);

	return ret;

}



static int mc13783_led_probe(struct platform_device *pdev)

static int __init mc13xxx_led_probe(struct platform_device *pdev)

{

	struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);

	struct mc13xxx_led_platform_data *led_cur;

	struct mc13783_led *led, *led_dat;

	int ret, i;

	int init_led = 0;



	if (pdata == NULL) {

		dev_err(&pdev->dev, "missing platform data\n");

	struct mc13xxx *mcdev = dev_get_drvdata(pdev->dev.parent);

	struct mc13xxx_led_devtype *devtype =

		(struct mc13xxx_led_devtype *)pdev->id_entry->driver_data;

	struct mc13xxx_leds *leds;

	int i, id, num_leds, ret;

	u32 reg, init_led = 0;



	if (!pdata) {

		dev_err(&pdev->dev, "Missing platform data\n");

		return -ENODEV;

	}



	if (pdata->num_leds < 1 || pdata->num_leds > (MC13783_LED_MAX + 1)) {

		dev_err(&pdev->dev, "Invalid led count %d\n", pdata->num_leds);

	num_leds = pdata->num_leds;



	if ((num_leds < 1) ||

	    (num_leds > (devtype->led_max - devtype->led_min + 1))) {

		dev_err(&pdev->dev, "Invalid LED count %d\n", num_leds);

		return -EINVAL;

	}



	led = devm_kzalloc(&pdev->dev, pdata->num_leds * sizeof(*led),

				GFP_KERNEL);

	if (led == NULL) {

		dev_err(&pdev->dev, "failed to alloc memory\n");

	leds = devm_kzalloc(&pdev->dev, num_leds * sizeof(struct mc13xxx_led) +

			    sizeof(struct mc13xxx_leds), GFP_KERNEL);

	if (!leds)

		return -ENOMEM;



	leds->devtype = devtype;

	leds->num_leds = num_leds;

	platform_set_drvdata(pdev, leds);



	mc13xxx_lock(mcdev);

	for (i = 0; i < devtype->num_regs; i++) {

		reg = pdata->led_control[i];

		WARN_ON(reg >= (1 << 24));

		ret = mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), reg);

		if (ret)

			break;

	}

	mc13xxx_unlock(mcdev);



	ret = mc13783_leds_prepare(pdev);

	if (ret) {

		dev_err(&pdev->dev, "unable to init led driver\n");

		dev_err(&pdev->dev, "Unable to init LED driver\n");

		return ret;

	}



	for (i = 0; i < pdata->num_leds; i++) {

		led_dat = &led[i];

		led_cur = &pdata->led[i];

	for (i = 0; i < num_leds; i++) {

		const char *name, *trig;

		char max_current;



		if (led_cur->id > MC13783_LED_MAX || led_cur->id < 0) {

			dev_err(&pdev->dev, "invalid id %d\n", led_cur->id);

		ret = -EINVAL;

			goto err_register;



		id = pdata->led[i].id;

		name = pdata->led[i].name;

		trig = pdata->led[i].default_trigger;

		max_current = pdata->led[i].max_current;



		if ((id > devtype->led_max) || (id < devtype->led_min)) {

			dev_err(&pdev->dev, "Invalid ID %i\n", id);

			break;

		}



		if (init_led & (1 << led_cur->id)) {

			dev_err(&pdev->dev, "led %d already initialized\n",

					led_cur->id);

			ret = -EINVAL;

			goto err_register;

		if (init_led & (1 << id)) {

			dev_warn(&pdev->dev,

				 "LED %i already initialized\n", id);

			break;

		}



		init_led |= 1 << led_cur->id;

		led_dat->cdev.name = led_cur->name;

		led_dat->cdev.default_trigger = led_cur->default_trigger;

		led_dat->cdev.brightness_set = mc13783_led_set;

		led_dat->cdev.brightness = LED_OFF;

		led_dat->id = led_cur->id;

		led_dat->master = dev_get_drvdata(pdev->dev.parent);

		init_led |= 1 << id;

		leds->led[i].id = id;

		leds->led[i].master = mcdev;

		leds->led[i].cdev.name = name;

		leds->led[i].cdev.default_trigger = trig;

		leds->led[i].cdev.brightness_set = mc13xxx_led_set;

		leds->led[i].cdev.brightness = LED_OFF;



		INIT_WORK(&led_dat->work, mc13783_led_work);

		INIT_WORK(&leds->led[i].work, mc13xxx_led_work);



		ret = led_classdev_register(pdev->dev.parent, &led_dat->cdev);

		ret = mc13xxx_led_setup(&leds->led[i], max_current);

		if (ret) {

			dev_err(&pdev->dev, "failed to register led %d\n",

					led_dat->id);

			goto err_register;

			dev_err(&pdev->dev, "Unable to setup LED %i\n", id);

			break;

		}



		ret = mc13783_led_setup(led_dat, led_cur->max_current);

		ret = led_classdev_register(pdev->dev.parent,

					    &leds->led[i].cdev);

		if (ret) {

			dev_err(&pdev->dev, "unable to init led %d\n",

					led_dat->id);

			i++;

			goto err_register;

			dev_err(&pdev->dev, "Failed to register LED %i\n", id);

			break;

		}

	}



	platform_set_drvdata(pdev, led);

	return 0;



err_register:

	for (i = i - 1; i >= 0; i--) {

		led_classdev_unregister(&led[i].cdev);

		cancel_work_sync(&led[i].work);

	if (ret)

		while (--i >= 0) {

			led_classdev_unregister(&leds->led[i].cdev);

			cancel_work_sync(&leds->led[i].work);

		}



	return ret;

}



static int mc13783_led_remove(struct platform_device *pdev)

static int mc13xxx_led_remove(struct platform_device *pdev)

{

	struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);

	struct mc13783_led *led = platform_get_drvdata(pdev);

	struct mc13xxx *dev = dev_get_drvdata(pdev->dev.parent);

	struct mc13xxx *mcdev = dev_get_drvdata(pdev->dev.parent);

	struct mc13xxx_leds *leds = platform_get_drvdata(pdev);

	int i;



	for (i = 0; i < pdata->num_leds; i++) {

		led_classdev_unregister(&led[i].cdev);

		cancel_work_sync(&led[i].work);

	for (i = 0; i < leds->num_leds; i++) {

		led_classdev_unregister(&leds->led[i].cdev);

		cancel_work_sync(&leds->led[i].work);

	}



	mc13xxx_lock(dev);



	mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_0, 0);

	mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_1, 0);

	mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_2, 0);

	mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_3, 0);

	mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_4, 0);

	mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_5, 0);



	mc13xxx_unlock(dev);

	mc13xxx_lock(mcdev);

	for (i = 0; i < leds->devtype->num_regs; i++)

		mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), 0);

	mc13xxx_unlock(mcdev);



	return 0;

}



static struct platform_driver mc13783_led_driver = {

static const struct mc13xxx_led_devtype mc13783_led_devtype = {

	.led_min	= MC13783_LED_MD,

	.led_max	= MC13783_LED_B3,

	.num_regs	= 6,

};



static const struct platform_device_id mc13xxx_led_id_table[] = {

	{ "mc13783-led", (kernel_ulong_t)&mc13783_led_devtype, },

	{ }

};

MODULE_DEVICE_TABLE(platform, mc13xxx_led_id_table);



static struct platform_driver mc13xxx_led_driver = {

	.driver	= {

		.name	= "mc13783-led",

		.name	= "mc13xxx-led",

		.owner	= THIS_MODULE,

	},

	.probe		= mc13783_led_probe,

	.remove		= mc13783_led_remove,

	.remove		= mc13xxx_led_remove,

	.id_table	= mc13xxx_led_id_table,

};

module_platform_driver_probe(mc13xxx_led_driver, mc13xxx_led_probe);



module_platform_driver(mc13783_led_driver);



MODULE_DESCRIPTION("LEDs driver for Freescale MC13783 PMIC");

MODULE_DESCRIPTION("LEDs driver for Freescale MC13XXX PMIC");

MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");

MODULE_LICENSE("GPL");
 
MODULE_ALIAS("platform:mc13783-led");

include/linux/mfd/mc13xxx.h

+43 −50
Original line number Diff line number Diff line
@@ -78,20 +78,23 @@ struct mc13xxx_regulator_platform_data { 
	struct mc13xxx_regulator_init_data *regulators;

};



enum {

	/* MC13783 LED IDs */

	MC13783_LED_MD,

	MC13783_LED_AD,

	MC13783_LED_KP,

	MC13783_LED_R1,

	MC13783_LED_G1,

	MC13783_LED_B1,

	MC13783_LED_R2,

	MC13783_LED_G2,

	MC13783_LED_B2,

	MC13783_LED_R3,

	MC13783_LED_G3,

	MC13783_LED_B3,

};



struct mc13xxx_led_platform_data {

#define MC13783_LED_MD		0

#define MC13783_LED_AD		1

#define MC13783_LED_KP		2

#define MC13783_LED_R1		3

#define MC13783_LED_G1		4

#define MC13783_LED_B1		5

#define MC13783_LED_R2		6

#define MC13783_LED_G2		7

#define MC13783_LED_B2		8

#define MC13783_LED_R3		9

#define MC13783_LED_G3		10

#define MC13783_LED_B3		11

#define MC13783_LED_MAX MC13783_LED_B3

	int id;

	const char *name;

	const char *default_trigger;
@@ -100,46 +103,36 @@ struct mc13xxx_led_platform_data { 
	char max_current;

};



#define MAX_LED_CONTROL_REGS	6



struct mc13xxx_leds_platform_data {

	int num_leds;

	struct mc13xxx_led_platform_data *led;

	int num_leds;



#define MC13783_LED_TRIODE_MD	(1 << 0)

#define MC13783_LED_TRIODE_AD	(1 << 1)

#define MC13783_LED_TRIODE_KP	(1 << 2)

#define MC13783_LED_BOOST_EN	(1 << 3)

#define MC13783_LED_TC1HALF	(1 << 4)

#define MC13783_LED_SLEWLIMTC	(1 << 5)

#define MC13783_LED_SLEWLIMBL	(1 << 6)

#define MC13783_LED_TRIODE_TC1	(1 << 7)

#define MC13783_LED_TRIODE_TC2	(1 << 8)

#define MC13783_LED_TRIODE_TC3	(1 << 9)

	int flags;



#define MC13783_LED_AB_DISABLED		0

#define MC13783_LED_AB_MD1		1

#define MC13783_LED_AB_MD12		2

#define MC13783_LED_AB_MD123		3

#define MC13783_LED_AB_MD1234		4

#define MC13783_LED_AB_MD1234_AD1	5

#define MC13783_LED_AB_MD1234_AD12	6

#define MC13783_LED_AB_MD1_AD		7

	char abmode;



#define MC13783_LED_ABREF_200MV	0

#define MC13783_LED_ABREF_400MV	1

#define MC13783_LED_ABREF_600MV	2

#define MC13783_LED_ABREF_800MV	3

	char abref;



#define MC13783_LED_PERIOD_10MS		0

#define MC13783_LED_PERIOD_100MS	1

#define MC13783_LED_PERIOD_500MS	2

#define MC13783_LED_PERIOD_2S		3

	char bl_period;

	char tc1_period;

	char tc2_period;

	char tc3_period;

/* LED Control 0 */

#define MC13783_LED_C0_ENABLE		(1 << 0)

#define MC13783_LED_C0_TRIODE_MD	(1 << 7)

#define MC13783_LED_C0_TRIODE_AD	(1 << 8)

#define MC13783_LED_C0_TRIODE_KP	(1 << 9)

#define MC13783_LED_C0_BOOST		(1 << 10)

#define MC13783_LED_C0_ABMODE(x)	(((x) & 0x7) << 11)

#define MC13783_LED_C0_ABREF(x)		(((x) & 0x3) << 14)

/* LED Control 1 */

#define MC13783_LED_C1_TC1HALF		(1 << 18)

#define MC13783_LED_C1_SLEWLIM		(1 << 23)

/* LED Control 2 */

#define MC13783_LED_C2_PERIOD(x)	(((x) & 0x3) << 21)

#define MC13783_LED_C2_SLEWLIM		(1 << 23)

/* LED Control 3 */

#define MC13783_LED_C3_PERIOD(x)	(((x) & 0x3) << 21)

#define MC13783_LED_C3_TRIODE_TC1	(1 << 23)

/* LED Control 4 */

#define MC13783_LED_C4_PERIOD(x)	(((x) & 0x3) << 21)

#define MC13783_LED_C4_TRIODE_TC2	(1 << 23)

/* LED Control 5 */

#define MC13783_LED_C5_PERIOD(x)	(((x) & 0x3) << 21)

#define MC13783_LED_C5_TRIODE_TC3	(1 << 23)

	u32 led_control[MAX_LED_CONTROL_REGS];

};



struct mc13xxx_buttons_platform_data {