2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-17 01:34:00 +08:00

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: Alexander Shiyan <shc_work@mail.ru>
Tested-by: Philippe Retornaz <philippe.retornaz@epfl.ch>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Alexander Shiyan 2013-06-10 09:59:30 -07:00 committed by Bryan Wu
parent fb277f5b3a
commit 9d263813c2
3 changed files with 206 additions and 306 deletions

View File

@ -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 = {

View File

@ -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
struct mc13xxx_leds {
struct mc13xxx_led_devtype *devtype;
int num_leds;
struct mc13xxx_led led[0];
};
#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)
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:
@ -103,57 +79,50 @@ static void mc13783_led_work(struct work_struct *work)
case MC13783_LED_G3:
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;
bank = off / 3;
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,
enum led_brightness value)
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:
@ -164,228 +133,165 @@ static int mc13783_led_setup(struct mc13783_led *led, int max_current)
case MC13783_LED_R3:
case MC13783_LED_G3:
case MC13783_LED_B3:
bank = (led->id - MC13783_LED_R1)/3;
reg = MC13783_REG_LED_CONTROL_3 + bank;
bank = (led->id - MC13783_LED_R1) / 3;
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)
static int __init mc13xxx_led_probe(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;
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;
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)
{
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");
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;
}
ret = mc13783_leds_prepare(pdev);
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);
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;
ret = -EINVAL;
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 = {
.driver = {
.name = "mc13783-led",
.owner = THIS_MODULE,
},
.probe = mc13783_led_probe,
.remove = mc13783_led_remove,
static const struct mc13xxx_led_devtype mc13783_led_devtype = {
.led_min = MC13783_LED_MD,
.led_max = MC13783_LED_B3,
.num_regs = 6,
};
module_platform_driver(mc13783_led_driver);
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);
MODULE_DESCRIPTION("LEDs driver for Freescale MC13783 PMIC");
static struct platform_driver mc13xxx_led_driver = {
.driver = {
.name = "mc13xxx-led",
.owner = THIS_MODULE,
},
.remove = mc13xxx_led_remove,
.id_table = mc13xxx_led_id_table,
};
module_platform_driver_probe(mc13xxx_led_driver, mc13xxx_led_probe);
MODULE_DESCRIPTION("LEDs driver for Freescale MC13XXX PMIC");
MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:mc13783-led");

View File

@ -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 {