diff options
Diffstat (limited to 'include/linux/wimax/samsung/max8893.h')
| -rw-r--r-- | include/linux/wimax/samsung/max8893.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/linux/wimax/samsung/max8893.h b/include/linux/wimax/samsung/max8893.h new file mode 100644 index 0000000..9c7a4ec --- /dev/null +++ b/include/linux/wimax/samsung/max8893.h @@ -0,0 +1,72 @@ +/* +* +* MAX8893 PMIC driver for WiMAX with CMC732. +* This is not a regulator driver. +*/ + +#ifndef MAX8893_H +#define MAX8993_H __FILE__ +/* +* +* +* Default/Reset values of MAX8893C registers +* +* +* +*/ +/* +#define DEF_VAL_MAX8893_REG_ONOFF 0x01 +#define DEF_VAL_MAX8893_REG_DISCHARGE 0xff +#define DEF_VAL_MAX8893_REG_LSTIME 0x08 +#define DEF_VAL_MAX8893_REG_DVSRAMP 0x09 +#define DEF_VAL_MAX8893_REG_BUCK 0x02 +#define DEF_VAL_MAX8893_REG_LDO1 0x02 +#define DEF_VAL_MAX8893_REG_LDO2 0x0e +#define DEF_VAL_MAX8893_REG_LDO3 0x11 +#define DEF_VAL_MAX8893_REG_LDO4 0x19 +#define DEF_VAL_MAX8893_REG_LDO5 0x16 +*/ +/* +* +* Register address of MAX8893 A/B/C +* BUCK is marked as LDO "-1" +*/ + +#define BUCK (-1) +#define LDO1 1 +#define LDO2 2 +#define LDO3 3 +#define LDO4 4 +#define LDO5 5 +#define DISABLE_USB 6 +#define MAX8893_REG_ONOFF 0x00 +#define MAX8893_REG_DISCHARGE 0x01 +#define MAX8893_REG_LSTIME 0x02 +#define MAX8893_REG_DVSRAMP 0x03 +#define MAX8893_REG_LDO(x) ((x+1) ? (4+x) : 4) +#define ON 1 +#define OFF 0 + +/* +* The maximum and minimum voltage an LDO can provide +* Buck, x = -1 +*/ + +#define MAX_VOLTAGE(x) ((x+1) ? 3300 : 2400) +#define MIN_VOLTAGE(x) ((0x04&x) ? 800 : ((0x01&x) ? 1600 : 1200)) +/* +* +* +*ENABLE_LDO(x) generates a mask which needs +*to be ORed with the contents of onoff reg +* +*DISABLE_LDO(x) generates a mask which needs +*to be ANDed with contents of the off reg +* +*For BUCK, x=-1 +*/ +#define ENABLE_LDO(x) (0x80>>(x+1)) +#define DISABLE_LDO(x) (~(0x80>>(x+1))) + +int wimax_pmic_set_voltage(void); +#endif |