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mfd: max77693: Improve support for the flash cell

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This patch improves support for the flash cell of
max77693 mfd by adding relevant of_compatible field
and a structure for caching related platform data.
Added are also FLASH registers related macro definitions.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Jacek Anaszewski 2014-08-22 11:06:18 +02:00 committed by Lee Jones
parent 4b5c1f1e08
commit a0bc607208
3 changed files with 103 additions and 1 deletions
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5
drivers/mfd/max77693.c
View file

@ -44,9 +44,12 @@
static const struct mfd_cell max77693_devs[] = {
{ .name = "max77693-pmic", },
{ .name = "max77693-charger", },
{ .name = "max77693-flash", },
{ .name = "max77693-muic", },
{ .name = "max77693-haptic", },
{
.name = "max77693-flash",
.of_compatible = "maxim,max77693-flash",
},
};
static const struct regmap_config max77693_regmap_config = {

59
include/linux/mfd/max77693-private.h
View file

@ -85,6 +85,65 @@ enum max77693_pmic_reg {
MAX77693_PMIC_REG_END,
};
/* MAX77693 ITORCH register */
#define TORCH_IOUT1_SHIFT 0
#define TORCH_IOUT2_SHIFT 4
#define TORCH_IOUT_MIN 15625
#define TORCH_IOUT_MAX 250000
#define TORCH_IOUT_STEP 15625
/* MAX77693 IFLASH1 and IFLASH2 registers */
#define FLASH_IOUT_MIN 15625
#define FLASH_IOUT_MAX_1LED 1000000
#define FLASH_IOUT_MAX_2LEDS 625000
#define FLASH_IOUT_STEP 15625
/* MAX77693 TORCH_TIMER register */
#define TORCH_TMR_NO_TIMER 0x40
#define TORCH_TIMEOUT_MIN 262000
#define TORCH_TIMEOUT_MAX 15728000
/* MAX77693 FLASH_TIMER register */
#define FLASH_TMR_LEVEL 0x80
#define FLASH_TIMEOUT_MIN 62500
#define FLASH_TIMEOUT_MAX 1000000
#define FLASH_TIMEOUT_STEP 62500
/* MAX77693 FLASH_EN register */
#define FLASH_EN_OFF 0x0
#define FLASH_EN_FLASH 0x1
#define FLASH_EN_TORCH 0x2
#define FLASH_EN_ON 0x3
#define FLASH_EN_SHIFT(x) (6 - ((x) - 1) * 2)
#define TORCH_EN_SHIFT(x) (2 - ((x) - 1) * 2)
/* MAX77693 MAX_FLASH1 register */
#define MAX_FLASH1_MAX_FL_EN 0x80
#define MAX_FLASH1_VSYS_MIN 2400
#define MAX_FLASH1_VSYS_MAX 3400
#define MAX_FLASH1_VSYS_STEP 33
/* MAX77693 VOUT_CNTL register */
#define FLASH_BOOST_FIXED 0x04
#define FLASH_BOOST_LEDNUM_2 0x80
/* MAX77693 VOUT_FLASH1 register */
#define FLASH_VOUT_MIN 3300
#define FLASH_VOUT_MAX 5500
#define FLASH_VOUT_STEP 25
#define FLASH_VOUT_RMIN 0x0c
/* MAX77693 FLASH_STATUS register */
#define FLASH_STATUS_FLASH_ON BIT(3)
#define FLASH_STATUS_TORCH_ON BIT(2)
/* MAX77693 FLASH_INT register */
#define FLASH_INT_FLED2_OPEN BIT(0)
#define FLASH_INT_FLED2_SHORT BIT(1)
#define FLASH_INT_FLED1_OPEN BIT(2)
#define FLASH_INT_FLED1_SHORT BIT(3)
#define FLASH_INT_OVER_CURRENT BIT(4)
/* MAX77693 CHG_CNFG_00 register */
#define CHG_CNFG_00_CHG_MASK 0x1
#define CHG_CNFG_00_BUCK_MASK 0x4

40
include/linux/mfd/max77693.h
View file

@ -63,6 +63,45 @@ struct max77693_muic_platform_data {
int path_uart;
};
/* MAX77693 led flash */
/* triggers */
enum max77693_led_trigger {
MAX77693_LED_TRIG_OFF,
MAX77693_LED_TRIG_FLASH,
MAX77693_LED_TRIG_TORCH,
MAX77693_LED_TRIG_EXT,
MAX77693_LED_TRIG_SOFT,
};
/* trigger types */
enum max77693_led_trigger_type {
MAX77693_LED_TRIG_TYPE_EDGE,
MAX77693_LED_TRIG_TYPE_LEVEL,
};
/* boost modes */
enum max77693_led_boost_mode {
MAX77693_LED_BOOST_NONE,
MAX77693_LED_BOOST_ADAPTIVE,
MAX77693_LED_BOOST_FIXED,
};
struct max77693_led_platform_data {
u32 fleds[2];
u32 iout_torch[2];
u32 iout_flash[2];
u32 trigger[2];
u32 trigger_type[2];
u32 num_leds;
u32 boost_mode;
u32 flash_timeout;
u32 boost_vout;
u32 low_vsys;
};
/* MAX77693 */
struct max77693_platform_data {
/* regulator data */
struct max77693_regulator_data *regulators;
@ -70,5 +109,6 @@ struct max77693_platform_data {
/* muic data */
struct max77693_muic_platform_data *muic_data;
struct max77693_led_platform_data *led_data;
};
#endif /* __LINUX_MFD_MAX77693_H */