[v5,03/10] rtc: mt6397: move some common definitions into rtc.h
diff mbox series

Message ID 20190812121511.4169-4-frank-w@public-files.de
State New
Headers show
Series
  • implement poweroff for mt6323 / bpi-r2
Related show

Commit Message

Frank Wunderlich Aug. 12, 2019, 12:15 p.m. UTC
From: Josef Friedl <josef.friedl@speed.at>

move code to separate header-file to reuse definitions later
in poweroff-driver (drivers/power/reset/mt6323-poweroff.c)

Suggested-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Josef Friedl <josef.friedl@speed.at>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
changes since v4: none
changes since v3: none
changes since v2: add missing commit-message
---
 drivers/rtc/rtc-mt6397.c       | 55 +-------------------------
 include/linux/mfd/mt6397/rtc.h | 71 ++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+), 54 deletions(-)
 create mode 100644 include/linux/mfd/mt6397/rtc.h

Comments

Lee Jones Aug. 12, 2019, 3:11 p.m. UTC | #1
On Mon, 12 Aug 2019, Frank Wunderlich wrote:

> From: Josef Friedl <josef.friedl@speed.at>
> 
> move code to separate header-file to reuse definitions later
> in poweroff-driver (drivers/power/reset/mt6323-poweroff.c)
> 
> Suggested-by: Frank Wunderlich <frank-w@public-files.de>
> Signed-off-by: Josef Friedl <josef.friedl@speed.at>
> Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
> ---
> changes since v4: none
> changes since v3: none
> changes since v2: add missing commit-message
> ---
>  drivers/rtc/rtc-mt6397.c       | 55 +-------------------------
>  include/linux/mfd/mt6397/rtc.h | 71 ++++++++++++++++++++++++++++++++++

include/linux/rtc/mt6397.h?

>  2 files changed, 72 insertions(+), 54 deletions(-)
>  create mode 100644 include/linux/mfd/mt6397/rtc.h
Alexandre Belloni Aug. 12, 2019, 3:38 p.m. UTC | #2
On 12/08/2019 16:11:29+0100, Lee Jones wrote:
> On Mon, 12 Aug 2019, Frank Wunderlich wrote:
> 
> > From: Josef Friedl <josef.friedl@speed.at>
> > 
> > move code to separate header-file to reuse definitions later
> > in poweroff-driver (drivers/power/reset/mt6323-poweroff.c)
> > 
> > Suggested-by: Frank Wunderlich <frank-w@public-files.de>
> > Signed-off-by: Josef Friedl <josef.friedl@speed.at>
> > Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
> > ---
> > changes since v4: none
> > changes since v3: none
> > changes since v2: add missing commit-message
> > ---
> >  drivers/rtc/rtc-mt6397.c       | 55 +-------------------------
> >  include/linux/mfd/mt6397/rtc.h | 71 ++++++++++++++++++++++++++++++++++
> 
> include/linux/rtc/mt6397.h?
> 

It's just a bunch of registers and bit definitions so it may as well
stay close to include/linux/mfd/mt6397/registers.h
Lee Jones Aug. 13, 2019, 7:20 a.m. UTC | #3
On Mon, 12 Aug 2019, Alexandre Belloni wrote:

> On 12/08/2019 16:11:29+0100, Lee Jones wrote:
> > On Mon, 12 Aug 2019, Frank Wunderlich wrote:
> > 
> > > From: Josef Friedl <josef.friedl@speed.at>
> > > 
> > > move code to separate header-file to reuse definitions later
> > > in poweroff-driver (drivers/power/reset/mt6323-poweroff.c)
> > > 
> > > Suggested-by: Frank Wunderlich <frank-w@public-files.de>
> > > Signed-off-by: Josef Friedl <josef.friedl@speed.at>
> > > Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
> > > ---
> > > changes since v4: none
> > > changes since v3: none
> > > changes since v2: add missing commit-message
> > > ---
> > >  drivers/rtc/rtc-mt6397.c       | 55 +-------------------------
> > >  include/linux/mfd/mt6397/rtc.h | 71 ++++++++++++++++++++++++++++++++++
> > 
> > include/linux/rtc/mt6397.h?
> > 
> 
> It's just a bunch of registers and bit definitions so it may as well
> stay close to include/linux/mfd/mt6397/registers.h

Sure.  It was a weak preference.

Patch
diff mbox series

diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index b46ed4dc7015..c08ee5edf865 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -9,60 +9,7 @@ 
 #include <linux/module.h>
 #include <linux/regmap.h>
 #include <linux/rtc.h>
-#include <linux/irqdomain.h>
-#include <linux/platform_device.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/mfd/mt6397/core.h>
-
-#define RTC_BBPU		0x0000
-#define RTC_BBPU_CBUSY		BIT(6)
-
-#define RTC_WRTGR		0x003c
-
-#define RTC_IRQ_STA		0x0002
-#define RTC_IRQ_STA_AL		BIT(0)
-#define RTC_IRQ_STA_LP		BIT(3)
-
-#define RTC_IRQ_EN		0x0004
-#define RTC_IRQ_EN_AL		BIT(0)
-#define RTC_IRQ_EN_ONESHOT	BIT(2)
-#define RTC_IRQ_EN_LP		BIT(3)
-#define RTC_IRQ_EN_ONESHOT_AL	(RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL)
-
-#define RTC_AL_MASK		0x0008
-#define RTC_AL_MASK_DOW		BIT(4)
-
-#define RTC_TC_SEC		0x000a
-/* Min, Hour, Dom... register offset to RTC_TC_SEC */
-#define RTC_OFFSET_SEC		0
-#define RTC_OFFSET_MIN		1
-#define RTC_OFFSET_HOUR		2
-#define RTC_OFFSET_DOM		3
-#define RTC_OFFSET_DOW		4
-#define RTC_OFFSET_MTH		5
-#define RTC_OFFSET_YEAR		6
-#define RTC_OFFSET_COUNT	7
-
-#define RTC_AL_SEC		0x0018
-
-#define RTC_PDN2		0x002e
-#define RTC_PDN2_PWRON_ALARM	BIT(4)
-
-#define RTC_MIN_YEAR		1968
-#define RTC_BASE_YEAR		1900
-#define RTC_NUM_YEARS		128
-#define RTC_MIN_YEAR_OFFSET	(RTC_MIN_YEAR - RTC_BASE_YEAR)
-
-struct mt6397_rtc {
-	struct device		*dev;
-	struct rtc_device	*rtc_dev;
-	struct mutex		lock;
-	struct regmap		*regmap;
-	int			irq;
-	u32			addr_base;
-};
+#include <linux/mfd/mt6397/rtc.h>
 
 static int mtk_rtc_write_trigger(struct mt6397_rtc *rtc)
 {
diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h
new file mode 100644
index 000000000000..b702c29e8c74
--- /dev/null
+++ b/include/linux/mfd/mt6397/rtc.h
@@ -0,0 +1,71 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2014-2018 MediaTek Inc.
+ *
+ * Author: Tianping.Fang <tianping.fang@mediatek.com>
+ *        Sean Wang <sean.wang@mediatek.com>
+ */
+
+#ifndef _LINUX_MFD_MT6397_RTC_H_
+#define _LINUX_MFD_MT6397_RTC_H_
+
+#include <linux/jiffies.h>
+#include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/rtc.h>
+
+#define RTC_BBPU               0x0000
+#define RTC_BBPU_CBUSY         BIT(6)
+#define RTC_BBPU_KEY            (0x43 << 8)
+
+#define RTC_WRTGR              0x003c
+
+#define RTC_IRQ_STA            0x0002
+#define RTC_IRQ_STA_AL         BIT(0)
+#define RTC_IRQ_STA_LP         BIT(3)
+
+#define RTC_IRQ_EN             0x0004
+#define RTC_IRQ_EN_AL          BIT(0)
+#define RTC_IRQ_EN_ONESHOT     BIT(2)
+#define RTC_IRQ_EN_LP          BIT(3)
+#define RTC_IRQ_EN_ONESHOT_AL  (RTC_IRQ_EN_ONESHOT | RTC_IRQ_EN_AL)
+
+#define RTC_AL_MASK            0x0008
+#define RTC_AL_MASK_DOW                BIT(4)
+
+#define RTC_TC_SEC             0x000a
+/* Min, Hour, Dom... register offset to RTC_TC_SEC */
+#define RTC_OFFSET_SEC         0
+#define RTC_OFFSET_MIN         1
+#define RTC_OFFSET_HOUR                2
+#define RTC_OFFSET_DOM         3
+#define RTC_OFFSET_DOW         4
+#define RTC_OFFSET_MTH         5
+#define RTC_OFFSET_YEAR                6
+#define RTC_OFFSET_COUNT       7
+
+#define RTC_AL_SEC             0x0018
+
+#define RTC_PDN2               0x002e
+#define RTC_PDN2_PWRON_ALARM   BIT(4)
+
+#define RTC_MIN_YEAR           1968
+#define RTC_BASE_YEAR          1900
+#define RTC_NUM_YEARS          128
+#define RTC_MIN_YEAR_OFFSET    (RTC_MIN_YEAR - RTC_BASE_YEAR)
+
+#define MTK_RTC_POLL_DELAY_US  10
+#define MTK_RTC_POLL_TIMEOUT   (jiffies_to_usecs(HZ))
+
+struct mt6397_rtc {
+	struct device           *dev;
+	struct rtc_device       *rtc_dev;
+
+	/* Protect register access from multiple tasks */
+	struct mutex            lock;
+	struct regmap           *regmap;
+	int                     irq;
+	u32                     addr_base;
+};
+
+#endif /* _LINUX_MFD_MT6397_RTC_H_ */