6b13f685e
 김민수
BSP 최초 추가
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#ifndef __MFD_LP3943_H__
#define __MFD_LP3943_H__
#include <linux/gpio.h>
#include <linux/pwm.h>
#include <linux/regmap.h>
#define LP3943_REG_GPIO_A 0x00
#define LP3943_REG_GPIO_B 0x01
#define LP3943_REG_PRESCALE0 0x02
#define LP3943_REG_PWM0 0x03
#define LP3943_REG_PRESCALE1 0x04
#define LP3943_REG_PWM1 0x05
#define LP3943_REG_MUX0 0x06
#define LP3943_REG_MUX1 0x07
#define LP3943_REG_MUX2 0x08
#define LP3943_REG_MUX3 0x09
#define LP3943_GPIO_IN 0x00
#define LP3943_GPIO_OUT_HIGH 0x00
#define LP3943_GPIO_OUT_LOW 0x01
#define LP3943_DIM_PWM0 0x02
#define LP3943_DIM_PWM1 0x03
#define LP3943_NUM_PWMS 2
enum lp3943_pwm_output {
LP3943_PWM_OUT0,
LP3943_PWM_OUT1,
LP3943_PWM_OUT2,
LP3943_PWM_OUT3,
LP3943_PWM_OUT4,
LP3943_PWM_OUT5,
LP3943_PWM_OUT6,
LP3943_PWM_OUT7,
LP3943_PWM_OUT8,
LP3943_PWM_OUT9,
LP3943_PWM_OUT10,
LP3943_PWM_OUT11,
LP3943_PWM_OUT12,
LP3943_PWM_OUT13,
LP3943_PWM_OUT14,
LP3943_PWM_OUT15,
};
struct lp3943_pwm_map {
enum lp3943_pwm_output *output;
int num_outputs;
};
struct lp3943_platform_data {
struct lp3943_pwm_map *pwms[LP3943_NUM_PWMS];
};
struct lp3943_reg_cfg {
u8 reg;
u8 mask;
u8 shift;
};
struct lp3943 {
struct device *dev;
struct regmap *regmap;
struct lp3943_platform_data *pdata;
const struct lp3943_reg_cfg *mux_cfg;
unsigned long pin_used;
};
int lp3943_read_byte(struct lp3943 *lp3943, u8 reg, u8 *read);
int lp3943_write_byte(struct lp3943 *lp3943, u8 reg, u8 data);
int lp3943_update_bits(struct lp3943 *lp3943, u8 reg, u8 mask, u8 data);
#endif
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