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Commit a16122bc authored by Haojian Zhuang's avatar Haojian Zhuang Committed by Samuel Ortiz
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mfd: Append subdev into 88pm860x driver 

Append backlight, led & touch subdevs into 88pm860x driver.
Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 5c42e8c4
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Showing with 356 additions and 12 deletions
drivers/mfd/88pm860x-core.c
View file @ a16122bc
......@@ -17,6 +17,100 @@
#include <linux/mfd/core.h>
#include <linux/mfd/88pm860x.h>
char pm860x_backlight_name[][MFD_NAME_SIZE] = {
"backlight-0",
"backlight-1",
"backlight-2",
};
EXPORT_SYMBOL(pm860x_backlight_name);
char pm860x_led_name[][MFD_NAME_SIZE] = {
"led0-red",
"led0-green",
"led0-blue",
"led1-red",
"led1-green",
"led1-blue",
};
EXPORT_SYMBOL(pm860x_led_name);
#define PM8606_BACKLIGHT_RESOURCE(_i, _x) \
{ \
.name = pm860x_backlight_name[_i], \
.start = PM8606_##_x, \
.end = PM8606_##_x, \
.flags = IORESOURCE_IO, \
}
static struct resource backlight_resources[] = {
PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
};
#define PM8606_BACKLIGHT_DEVS(_i) \
{ \
.name = "88pm860x-backlight", \
.num_resources = 1, \
.resources = &backlight_resources[_i], \
.id = _i, \
}
static struct mfd_cell backlight_devs[] = {
PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
};
#define PM8606_LED_RESOURCE(_i, _x) \
{ \
.name = pm860x_led_name[_i], \
.start = PM8606_##_x, \
.end = PM8606_##_x, \
.flags = IORESOURCE_IO, \
}
static struct resource led_resources[] = {
PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
};
#define PM8606_LED_DEVS(_i) \
{ \
.name = "88pm860x-led", \
.num_resources = 1, \
.resources = &led_resources[_i], \
.id = _i, \
}
static struct mfd_cell led_devs[] = {
PM8606_LED_DEVS(PM8606_LED1_RED),
PM8606_LED_DEVS(PM8606_LED1_GREEN),
PM8606_LED_DEVS(PM8606_LED1_BLUE),
PM8606_LED_DEVS(PM8606_LED2_RED),
PM8606_LED_DEVS(PM8606_LED2_GREEN),
PM8606_LED_DEVS(PM8606_LED2_BLUE),
};
static struct resource touch_resources[] = {
{
.start = PM8607_IRQ_PEN,
.end = PM8607_IRQ_PEN,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell touch_devs[] = {
{
.name = "88pm860x-touch",
.num_resources = 1,
.resources = &touch_resources[0],
},
};
#define PM8607_REG_RESOURCE(_start, _end) \
{ \
......@@ -25,7 +119,7 @@
.flags = IORESOURCE_IO, \
}
static struct resource pm8607_regulator_resources[] = {
static struct resource regulator_resources[] = {
PM8607_REG_RESOURCE(BUCK1, BUCK1),
PM8607_REG_RESOURCE(BUCK2, BUCK2),
PM8607_REG_RESOURCE(BUCK3, BUCK3),
......@@ -47,10 +141,11 @@ static struct resource pm8607_regulator_resources[] = {
{ \
.name = "88pm8607-" #_name, \
.num_resources = 1, \
.resources = &pm8607_regulator_resources[PM8607_ID_##_id], \
.resources = &regulator_resources[PM8607_ID_##_id], \
.id = PM8607_ID_##_id, \
}
static struct mfd_cell pm8607_devs[] = {
static struct mfd_cell regulator_devs[] = {
PM8607_REG_DEVS(buck1, BUCK1),
PM8607_REG_DEVS(buck2, BUCK2),
PM8607_REG_DEVS(buck3, BUCK3),
......@@ -192,6 +287,61 @@ int pm860x_free_irq(struct pm860x_chip *chip, int irq)
}
EXPORT_SYMBOL(pm860x_free_irq);
static int __devinit device_gpadc_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
: chip->companion;
int use_gpadc = 0, data, ret;
/* initialize GPADC without activating it */
if (pdata && pdata->touch) {
/* set GPADC MISC1 register */
data = 0;
data |= (pdata->touch->gpadc_prebias << 1)
& PM8607_GPADC_PREBIAS_MASK;
data |= (pdata->touch->slot_cycle << 3)
& PM8607_GPADC_SLOT_CYCLE_MASK;
data |= (pdata->touch->off_scale << 5)
& PM8607_GPADC_OFF_SCALE_MASK;
data |= (pdata->touch->sw_cal << 7)
& PM8607_GPADC_SW_CAL_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
if (ret < 0)
goto out;
}
/* set tsi prebias time */
if (pdata->touch->tsi_prebias) {
data = pdata->touch->tsi_prebias;
ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
if (ret < 0)
goto out;
}
/* set prebias & prechg time of pen detect */
data = 0;
data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
data |= (pdata->touch->pen_prechg << 5)
& PM8607_PD_PRECHG_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
if (ret < 0)
goto out;
}
use_gpadc = 1;
}
/* turn on GPADC */
if (use_gpadc) {
ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
PM8607_GPADC_EN, PM8607_GPADC_EN);
}
out:
return ret;
}
static int __devinit device_irq_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
......@@ -264,14 +414,40 @@ static void __devinit device_8606_init(struct pm860x_chip *chip,
struct i2c_client *i2c,
struct pm860x_platform_data *pdata)
{
int ret;
if (pdata && pdata->backlight) {
ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
ARRAY_SIZE(backlight_devs),
&backlight_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add backlight "
"subdev\n");
goto out_dev;
}
}
if (pdata && pdata->led) {
ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
ARRAY_SIZE(led_devs),
&led_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add led "
"subdev\n");
goto out_dev;
}
}
return;
out_dev:
mfd_remove_devices(chip->dev);
device_irq_exit(chip);
}
static void __devinit device_8607_init(struct pm860x_chip *chip,
struct i2c_client *i2c,
struct pm860x_platform_data *pdata)
{
int i, count, data;
int ret;
int data, ret;
ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
if (ret < 0) {
......@@ -311,19 +487,36 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
goto out;
}
ret = device_gpadc_init(chip, pdata);
if (ret < 0)
goto out;
ret = device_irq_init(chip, pdata);
if (ret < 0)
goto out;
count = ARRAY_SIZE(pm8607_devs);
for (i = 0; i < count; i++) {
ret = mfd_add_devices(chip->dev, i, &pm8607_devs[i],
1, NULL, 0);
if (ret != 0) {
dev_err(chip->dev, "Failed to add subdevs\n");
goto out;
ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
ARRAY_SIZE(regulator_devs),
&regulator_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add regulator subdev\n");
goto out_dev;
}
if (pdata && pdata->touch) {
ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
ARRAY_SIZE(touch_devs),
&touch_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add touch "
"subdev\n");
goto out_dev;
}
}
return;
out_dev:
mfd_remove_devices(chip->dev);
device_irq_exit(chip);
out:
return;
}
......
include/linux/mfd/88pm860x.h
View file @ a16122bc
......@@ -14,6 +14,8 @@
#include <linux/interrupt.h>
#define MFD_NAME_SIZE (40)
enum {
CHIP_INVALID = 0,
CHIP_PM8606,
......@@ -21,6 +23,99 @@ enum {
CHIP_MAX,
};
enum {
PM8606_ID_INVALID,
PM8606_ID_BACKLIGHT,
PM8606_ID_LED,
PM8606_ID_VIBRATOR,
PM8606_ID_TOUCH,
PM8606_ID_SOUND,
PM8606_ID_CHARGER,
PM8606_ID_MAX,
};
enum {
PM8606_BACKLIGHT1 = 0,
PM8606_BACKLIGHT2,
PM8606_BACKLIGHT3,
};
enum {
PM8606_LED1_RED = 0,
PM8606_LED1_GREEN,
PM8606_LED1_BLUE,
PM8606_LED2_RED,
PM8606_LED2_GREEN,
PM8606_LED2_BLUE,
PM8607_LED_VIBRATOR,
};
/* 8606 Registers */
#define PM8606_DCM_BOOST (0x00)
#define PM8606_PWM (0x01)
/* Backlight Registers */
#define PM8606_WLED1A (0x02)
#define PM8606_WLED1B (0x03)
#define PM8606_WLED2A (0x04)
#define PM8606_WLED2B (0x05)
#define PM8606_WLED3A (0x06)
#define PM8606_WLED3B (0x07)
/* LED Registers */
#define PM8606_RGB2A (0x08)
#define PM8606_RGB2B (0x09)
#define PM8606_RGB2C (0x0A)
#define PM8606_RGB2D (0x0B)
#define PM8606_RGB1A (0x0C)
#define PM8606_RGB1B (0x0D)
#define PM8606_RGB1C (0x0E)
#define PM8606_RGB1D (0x0F)
#define PM8606_PREREGULATORA (0x10)
#define PM8606_PREREGULATORB (0x11)
#define PM8606_VIBRATORA (0x12)
#define PM8606_VIBRATORB (0x13)
#define PM8606_VCHG (0x14)
#define PM8606_VSYS (0x15)
#define PM8606_MISC (0x16)
#define PM8606_CHIP_ID (0x17)
#define PM8606_STATUS (0x18)
#define PM8606_FLAGS (0x19)
#define PM8606_PROTECTA (0x1A)
#define PM8606_PROTECTB (0x1B)
#define PM8606_PROTECTC (0x1C)
/* Bit definitions of PM8606 registers */
#define PM8606_DCM_500MA (0x0) /* current limit */
#define PM8606_DCM_750MA (0x1)
#define PM8606_DCM_1000MA (0x2)
#define PM8606_DCM_1250MA (0x3)
#define PM8606_DCM_250MV (0x0 << 2)
#define PM8606_DCM_300MV (0x1 << 2)
#define PM8606_DCM_350MV (0x2 << 2)
#define PM8606_DCM_400MV (0x3 << 2)
#define PM8606_PWM_31200HZ (0x0)
#define PM8606_PWM_15600HZ (0x1)
#define PM8606_PWM_7800HZ (0x2)
#define PM8606_PWM_3900HZ (0x3)
#define PM8606_PWM_1950HZ (0x4)
#define PM8606_PWM_976HZ (0x5)
#define PM8606_PWM_488HZ (0x6)
#define PM8606_PWM_244HZ (0x7)
#define PM8606_PWM_FREQ_MASK (0x7)
#define PM8606_WLED_ON (1 << 0)
#define PM8606_WLED_CURRENT(x) ((x & 0x1F) << 1)
#define PM8606_LED_CURRENT(x) (((x >> 2) & 0x07) << 5)
#define PM8606_VSYS_EN (1 << 1)
#define PM8606_MISC_OSC_EN (1 << 4)
enum {
PM8607_ID_BUCK1 = 0,
PM8607_ID_BUCK2,
......@@ -91,6 +186,21 @@ enum {
#define PM8607_SUPPLIES_EN21 (0x33)
#define PM8607_SUPPLIES_EN22 (0x34)
/* Vibrator Control Registers */
#define PM8607_VIBRATOR_SET (0x28)
#define PM8607_VIBRATOR_PWM (0x29)
/* GPADC Registers */
#define PM8607_GP_BIAS1 (0x4F)
#define PM8607_MEAS_EN1 (0x50)
#define PM8607_MEAS_EN2 (0x51)
#define PM8607_MEAS_EN3 (0x52)
#define PM8607_MEAS_OFF_TIME1 (0x53)
#define PM8607_MEAS_OFF_TIME2 (0x54)
#define PM8607_TSI_PREBIAS (0x55) /* prebias time */
#define PM8607_PD_PREBIAS (0x56) /* prebias time */
#define PM8607_GPADC_MISC1 (0x57)
/* RTC Control Registers */
#define PM8607_RTC1 (0xA0)
#define PM8607_RTC_COUNTER1 (0xA1)
......@@ -140,6 +250,16 @@ enum {
#define PM8607_B0_MISC1_PI2C (1 << 3)
#define PM8607_B0_MISC1_RESET (1 << 6)
/* bits definitions of GPADC */
#define PM8607_GPADC_EN (1 << 0)
#define PM8607_GPADC_PREBIAS_MASK (3 << 1)
#define PM8607_GPADC_SLOT_CYCLE_MASK (3 << 3) /* slow mode */
#define PM8607_GPADC_OFF_SCALE_MASK (3 << 5) /* GP sleep mode */
#define PM8607_GPADC_SW_CAL_MASK (1 << 7)
#define PM8607_PD_PREBIAS_MASK (0x1F << 0)
#define PM8607_PD_PRECHG_MASK (7 << 5)
/* Interrupt Number in 88PM8607 */
enum {
PM8607_IRQ_ONKEY = 0,
......@@ -202,13 +322,44 @@ enum {
PI2C_PORT,
};
struct pm860x_backlight_pdata {
int id;
int pwm;
int iset;
unsigned long flags;
};
struct pm860x_led_pdata {
int id;
int iset;
unsigned long flags;
};
struct pm860x_touch_pdata {
int gpadc_prebias;
int slot_cycle;
int off_scale;
int sw_cal;
int tsi_prebias; /* time, slot */
int pen_prebias; /* time, slot */
int pen_prechg; /* time, slot */
unsigned long flags;
};
struct pm860x_platform_data {
struct pm860x_backlight_pdata *backlight;
struct pm860x_led_pdata *led;
struct pm860x_touch_pdata *touch;
unsigned short companion_addr; /* I2C address of companion chip */
int i2c_port; /* Controlled by GI2C or PI2C */
int irq_mode; /* Clear interrupt by read/write(0/1) */
struct regulator_init_data *regulator[PM8607_MAX_REGULATOR];
};
extern char pm860x_backlight_name[][MFD_NAME_SIZE];
extern char pm860x_led_name[][MFD_NAME_SIZE];
extern int pm860x_reg_read(struct i2c_client *, int);
extern int pm860x_reg_write(struct i2c_client *, int, unsigned char);
extern int pm860x_bulk_read(struct i2c_client *, int, int, unsigned char *);
......
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