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mfd: TWL5030 version checking in twl-core

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Added API to get the TWL5030 Si version from the IDCODE register.
It is used for enabling the workaround for TWL erratum 27.

Signed-off-by: Lesly A M <leslyam@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: David Derrick <dderrick@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Lesly A M
2011-04-14 17:57:53 +05:30
committed by Samuel Ortiz
parent d7ac829fa3
commit ca972d1338
2 changed files with 78 additions and 1 deletions
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17
include/linux/i2c/twl.h
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@ -150,7 +150,12 @@
#define MMC_PU (0x1 << 3)
#define MMC_PD (0x1 << 2)
#define TWL_SIL_TYPE(rev) ((rev) & 0x00FFFFFF)
#define TWL_SIL_REV(rev) ((rev) >> 24)
#define TWL_SIL_5030 0x09002F
#define TWL5030_REV_1_0 0x00
#define TWL5030_REV_1_1 0x10
#define TWL5030_REV_1_2 0x30
#define TWL4030_CLASS_ID 0x4030
#define TWL6030_CLASS_ID 0x6030
@ -180,6 +185,9 @@ int twl_i2c_read_u8(u8 mod_no, u8 *val, u8 reg);
int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
int twl_get_type(void);
int twl_get_version(void);
int twl6030_interrupt_unmask(u8 bit_mask, u8 offset);
int twl6030_interrupt_mask(u8 bit_mask, u8 offset);
@ -279,7 +287,12 @@ static inline int twl6030_mmc_card_detect(struct device *dev, int slot)
*(Use TWL_4030_MODULE_INTBR)
*/
#define REG_IDCODE_7_0 0x00
#define REG_IDCODE_15_8 0x01
#define REG_IDCODE_16_23 0x02
#define REG_IDCODE_31_24 0x03
#define REG_GPPUPDCTR1 0x0F
#define REG_UNLOCK_TEST_REG 0x12
/*I2C1 and I2C4(SR) SDA/SCL pull-up control bits */
@ -288,6 +301,8 @@ static inline int twl6030_mmc_card_detect(struct device *dev, int slot)
#define SR_I2C_SCL_CTRL_PU BIT(4)
#define SR_I2C_SDA_CTRL_PU BIT(6)
#define TWL_EEPROM_R_UNLOCK 0x49
/*----------------------------------------------------------------------*/
/*