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dd8a29040d
At present we enable the sandbox RTC driver for all builds. Add a separate Kconfig option to control this, so that it can be disabled in TPL, where it is not needed. Signed-off-by: Simon Glass <sjg@chromium.org>
57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Simulate an I2C real time clock
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*
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* Copyright (c) 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#ifndef __asm_rtc_h
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#define __asm_rtc_h
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#include <dt-structs.h>
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/* Register numbers in the sandbox RTC */
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enum {
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REG_SEC = 5,
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REG_MIN,
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REG_HOUR,
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REG_MDAY,
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REG_MON,
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REG_YEAR,
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REG_WDAY,
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REG_RESET = 0x20,
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REG_AUX0 = 0x30,
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REG_AUX1,
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REG_AUX2,
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REG_AUX3,
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REG_COUNT = 0x80,
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};
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/**
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* struct sandbox_i2c_rtc_plat_data - platform data for the RTC
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*
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* @base_time: Base system time when RTC device was bound
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* @offset: RTC offset from current system time
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* @use_system_time: true to use system time, false to use @base_time
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* @reg: Register values
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*/
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struct sandbox_i2c_rtc_plat_data {
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#if CONFIG_IS_ENABLED(OF_PLATDATA) && IS_ENABLED(CONFIG_RTC_SANDBOX)
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struct dtd_sandbox_i2c_rtc_emul dtplat;
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#endif
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long base_time;
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long offset;
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bool use_system_time;
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u8 reg[REG_COUNT];
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};
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struct sandbox_i2c_rtc {
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unsigned int offset_secs;
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};
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#endif
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