Linux-RTC Archive on lore.kernel.org
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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Frank Wunderlich <frank-w@public-files.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
	Allison Randal <allison@lohutok.net>,
	"David S. Miller" <davem@davemloft.net>,
	devicetree@vger.kernel.org,
	Eddie Huang <eddie.huang@mediatek.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Lee Jones <lee.jones@linaro.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
	linux-pm@vger.kernel.org, linux-rtc@vger.kernel.org,
	Mark Rutland <mark.rutland@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Richard Fontana <rfontana@redhat.com>,
	Rob Herring <robh+dt@kernel.org>,
	Sean Wang <sean.wang@mediatek.com>,
	Sebastian Reichel <sre@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Tianping . Fang" <tianping.fang@mediatek.com>,
	Josef Friedl <josef.friedl@speed.at>
Subject: Re: [PATCH v3 03/10] rtc: mt6397: move some common definitions into rtc.h
Date: Mon, 5 Aug 2019 15:48:42 +0200
Message-ID: <20190805134842.GG3600@piout.net> (raw)
In-Reply-To: <20190729174154.4335-4-frank-w@public-files.de>

On 29/07/2019 19:41:47+0200, 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)
> 
> changes since v2: add missing commit-message

The changelog should be after the --- marker.
> 
> 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>
> ---
>  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
> 
> 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_ */
> --
> 2.17.1
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply index

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-29 17:41 [PATCH v3 00/10] implement poweroff for mt6323 / bpi-r2 Frank Wunderlich
2019-07-29 17:41 ` [PATCH v3 01/10] dt-bindings: add powercontroller Frank Wunderlich
2019-08-12 10:20   ` Lee Jones
2019-08-12 11:10     ` Aw: " Frank Wunderlich
2019-08-12 11:25       ` Lee Jones
2019-08-12 11:37         ` Aw: " Frank Wunderlich
2019-08-12 11:51           ` Lee Jones
2019-07-29 17:41 ` [PATCH v3 02/10] dt-bindings: add missing mt6397 rtc Frank Wunderlich
2019-08-05 13:47   ` Alexandre Belloni
2019-07-29 17:41 ` [PATCH v3 03/10] rtc: mt6397: move some common definitions into rtc.h Frank Wunderlich
2019-08-05 13:48   ` Alexandre Belloni [this message]
2019-08-12 10:18     ` Lee Jones
2019-07-29 17:41 ` [PATCH v3 04/10] rtc: mt6397: improvements of rtc driver Frank Wunderlich
2019-07-29 17:41 ` [PATCH v3 05/10] rtc: mt6397: add compatible for mt6323 Frank Wunderlich
2019-08-05 13:50   ` Alexandre Belloni
2019-07-29 17:41 ` [PATCH v3 06/10] mfd: mt6323: some improvements of mt6397-core Frank Wunderlich
2019-08-12 10:22   ` Lee Jones
2019-08-12 11:25     ` Aw: " Frank Wunderlich
2019-08-12 11:27       ` Lee Jones
2019-07-29 17:41 ` [PATCH v3 07/10] mfd: mt6323: add mt6323 rtc+pwrc Frank Wunderlich
2019-08-12 10:22   ` Lee Jones
2019-07-29 17:41 ` [PATCH v3 08/10] power: reset: add driver for mt6323 poweroff Frank Wunderlich
2019-07-29 18:16 ` [PATCH v3 00/10] implement poweroff for mt6323 / bpi-r2 Frank Wunderlich

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