linux-imx

/*

 * Haoyu HYM8563 RTC driver

 *

 * Copyright (C) 2013 MundoReader S.L.

 * Author: Heiko Stuebner <heiko@sntech.de>

 *

 * based on rtc-HYM8563

 * Copyright (C) 2010 ROCKCHIP, Inc.

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

​

#include <linux/module.h>

#include <linux/clk-provider.h>

#include <linux/i2c.h>

#include <linux/bcd.h>

#include <linux/rtc.h>

​

#define HYM8563_CTL1        0x00

#define HYM8563_CTL1_TEST   BIT(7)

#define HYM8563_CTL1_STOP   BIT(5)

#define HYM8563_CTL1_TESTC  BIT(3)

​

#define HYM8563_CTL2        0x01

#define HYM8563_CTL2_TI_TP  BIT(4)

#define HYM8563_CTL2_AF     BIT(3)

#define HYM8563_CTL2_TF     BIT(2)

#define HYM8563_CTL2_AIE    BIT(1)

#define HYM8563_CTL2_TIE    BIT(0)

​

#define HYM8563_SEC     0x02

#define HYM8563_SEC_VL      BIT(7)

#define HYM8563_SEC_MASK    0x7f

​

#define HYM8563_MIN     0x03

#define HYM8563_MIN_MASK    0x7f

​

#define HYM8563_HOUR        0x04

#define HYM8563_HOUR_MASK   0x3f

​

#define HYM8563_DAY     0x05

#define HYM8563_DAY_MASK    0x3f

​

#define HYM8563_WEEKDAY     0x06

#define HYM8563_WEEKDAY_MASK    0x07

​

#define HYM8563_MONTH       0x07

#define HYM8563_MONTH_CENTURY   BIT(7)

#define HYM8563_MONTH_MASK  0x1f

​

#define HYM8563_YEAR        0x08

​

#define HYM8563_ALM_MIN     0x09

#define HYM8563_ALM_HOUR    0x0a

#define HYM8563_ALM_DAY     0x0b

#define HYM8563_ALM_WEEK    0x0c