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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Simulate an I2C real time clock
*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*/
#ifndef __asm_rtc_h
#define __asm_rtc_h
#include <dt-structs.h>
/* Register numbers in the sandbox RTC */
enum {
REG_SEC = 5,
REG_MIN,
REG_HOUR,
REG_MDAY,
REG_MON,
REG_YEAR,
REG_WDAY,
REG_RESET = 0x20,
REG_AUX0 = 0x30,
REG_AUX1,
REG_AUX2,
REG_AUX3,
REG_COUNT = 0x80,
};
/**
* struct sandbox_i2c_rtc_plat_data - platform data for the RTC
*
* @base_time: Base system time when RTC device was bound
* @offset: RTC offset from current system time
* @use_system_time: true to use system time, false to use @base_time
* @reg: Register values
*/
struct sandbox_i2c_rtc_plat_data {
#if CONFIG_IS_ENABLED(OF_PLATDATA) && IS_ENABLED(CONFIG_RTC_SANDBOX)
struct dtd_sandbox_i2c_rtc_emul dtplat;
#endif
long base_time;
long offset;
bool use_system_time;
u8 reg[REG_COUNT];
};
struct sandbox_i2c_rtc {
unsigned int offset_secs;
};
#endif
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