mcp7940m.c File Reference

This file provides the interfaces of Shared_tod_mcp7940m_rtc. More...

#include <libchip/mcp7940m-rtc.h>

Macros
#define	REG_MCP7940M_RTCSEC   0x00u
#define	REG_MCP7940M_RTCMIN   0x01u
#define	REG_MCP7940M_RTCHOUR   0x02u
#define	REG_MCP7940M_RTCWKDAY   0x03u
#define	REG_MCP7940M_RTCDATE   0x04u
#define	REG_MCP7940M_RTCMTH   0x05u
#define	REG_MCP7940M_RTCYEAR   0x06u
#define	MCP7940M_RTCSEC_ST   (0x01u << 7)
#define	MCP7940M_RTCMTH_LPYR   (0x01u << 5)
#define	REG_MCP7940M_CONTROL   0x07
#define	MCP7940M_CONTROL_OUT   (0x1u << 7)
#define	MCP7940M_CONTROL_SQWEN   (0x1u << 6)
#define	MCP7940M_CONTROL_ALM1EN   (0x1u << 5)
#define	MCP7940M_CONTROL_ALM0EN   (0x1u << 4)
#define	MCP7940M_CONTROL_EXTOSC   (0x1u << 3)
#define	MCP7940M_CONTROL_CRSTRIM   (0x1u << 2)
#define	MCP7940M_CONTROL_SQWFS1   (0x1u << 1)
#define	MCP7940M_CONTROL_SQWFS0   (0x1u << 0)

Functions
int	mcp7940m_hw_init (struct i2c_rtc_base *base)

Detailed Description

This file provides the interfaces of Shared_tod_mcp7940m_rtc.