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rtc: bd70528: add BD71828 support

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ROHM BD71828 PMIC RTC block is from many parts similar to one
on BD70528. Support BD71828 RTC using BD70528 RTC driver and
avoid re-inventing the wheel.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Matti Vaittinen
2020-01-20 15:45:36 +02:00
committed by Lee Jones
parent 6c883472e1
commit fe5a591b78
5 changed files with 206 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
include/linux/mfd/rohm-bd70528.h
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@@ -7,6 +7,7 @@
#include <linux/bits.h>
#include <linux/device.h>
#include <linux/mfd/rohm-generic.h>
#include <linux/mfd/rohm-shared.h>
#include <linux/regmap.h>
enum {
@@ -307,17 +308,6 @@ enum {
/* RTC masks to mask out reserved bits */
#define BD70528_MASK_RTC_SEC 0x7f
#define BD70528_MASK_RTC_MINUTE 0x7f
#define BD70528_MASK_RTC_HOUR_24H 0x80
#define BD70528_MASK_RTC_HOUR_PM 0x20
#define BD70528_MASK_RTC_HOUR 0x3f
#define BD70528_MASK_RTC_DAY 0x3f
#define BD70528_MASK_RTC_WEEK 0x07
#define BD70528_MASK_RTC_MONTH 0x1f
#define BD70528_MASK_RTC_YEAR 0xff
#define BD70528_MASK_RTC_COUNT_L 0x7f
#define BD70528_MASK_ELAPSED_TIMER_EN 0x1
/* Mask second, min and hour fields
* HW would support ALM irq for over 24h
@@ -326,7 +316,6 @@ enum {
* wake-up we limit ALM to 24H and only
* unmask sec, min and hour
*/
#define BD70528_MASK_ALM_EN 0x7
#define BD70528_MASK_WAKE_EN 0x1
/* WDT masks */

4
include/linux/mfd/rohm-bd71828.h
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@@ -5,6 +5,7 @@
#define __LINUX_MFD_BD71828_H__
#include <linux/mfd/rohm-generic.h>
#include <linux/mfd/rohm-shared.h>
/* Regulator IDs */
enum {
@@ -160,6 +161,7 @@ enum {
#define BD71828_REG_RTC_YEAR 0x52
#define BD71828_REG_RTC_ALM0_SEC 0x53
#define BD71828_REG_RTC_ALM_START BD71828_REG_RTC_ALM0_SEC
#define BD71828_REG_RTC_ALM0_MINUTE 0x54
#define BD71828_REG_RTC_ALM0_HOUR 0x55
#define BD71828_REG_RTC_ALM0_WEEK 0x56
@@ -178,6 +180,7 @@ enum {
#define BD71828_REG_RTC_ALM1_MASK 0x62
#define BD71828_REG_RTC_ALM2 0x63
#define BD71828_REG_RTC_START BD71828_REG_RTC_SEC
/* Charger/Battey */
#define BD71828_REG_CHG_STATE 0x65
@@ -204,7 +207,6 @@ enum {
#define BD71828_REG_INT_MASK_TEMP 0xdd
#define BD71828_REG_INT_MASK_RTC 0xde
#define BD71828_REG_INT_MAIN 0xdf
#define BD71828_REG_INT_BUCK 0xe0
#define BD71828_REG_INT_DCIN1 0xe1

21
include/linux/mfd/rohm-shared.h Normal file
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@@ -0,0 +1,21 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Copyright (C) 2020 ROHM Semiconductors */
#ifndef __LINUX_MFD_ROHM_SHARED_H__
#define __LINUX_MFD_ROHM_SHARED_H__
/* RTC definitions shared between BD70528 and BD71828 */
#define BD70528_MASK_RTC_SEC 0x7f
#define BD70528_MASK_RTC_MINUTE 0x7f
#define BD70528_MASK_RTC_HOUR_24H 0x80
#define BD70528_MASK_RTC_HOUR_PM 0x20
#define BD70528_MASK_RTC_HOUR 0x3f
#define BD70528_MASK_RTC_DAY 0x3f
#define BD70528_MASK_RTC_WEEK 0x07
#define BD70528_MASK_RTC_MONTH 0x1f
#define BD70528_MASK_RTC_YEAR 0xff
#define BD70528_MASK_ALM_EN 0x7
#endif /* __LINUX_MFD_ROHM_SHARED_H__ */