LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Lee Jones <lee.jones@linaro.org>
To: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Wim Van Sebroeck <wim@iguana.be>,
	Guenter Roeck <linux@roeck-us.net>,
	Sebastian Reichel <sre@kernel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-watchdog@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v3 2/9] mfd: syscon: Add atmel system timer registers definition
Date: Wed, 4 Mar 2015 15:44:03 +0000	[thread overview]
Message-ID: <20150304154403.GM32624@x1> (raw)
In-Reply-To: <1425478897-27322-3-git-send-email-alexandre.belloni@free-electrons.com>

On Wed, 04 Mar 2015, Alexandre Belloni wrote:

> AT91RM920 has a memory range reserved for timer and watchdog configuration.
> Expose those registers so that drivers can make use of the system timer syscon
> declared in at91 DTs.
> 
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
>  include/linux/mfd/syscon/atmel-st.h | 47 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 include/linux/mfd/syscon/atmel-st.h
> 
> diff --git a/include/linux/mfd/syscon/atmel-st.h b/include/linux/mfd/syscon/atmel-st.h
> new file mode 100644
> index 000000000000..8e29a1028807
> --- /dev/null
> +++ b/include/linux/mfd/syscon/atmel-st.h
> @@ -0,0 +1,47 @@
> +/*
> + * Copyright (C) 2005 Ivan Kokshaysky
> + * Copyright (C) SAN People
> + *
> + * System Timer (ST) - System peripherals registers.
> + * Based on AT91RM9200 datasheet revision E.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + */
> +
> +#ifndef _LINUX_MFD_SYSCON_ATMEL_ST_H
> +#define _LINUX_MFD_SYSCON_ATMEL_ST_H
> +
> +#define	AT91_ST_CR	0x00	/* Control Register */
> +#define		AT91_ST_WDRST	(1 << 0)	/* Watchdog Timer Restart */

Please use BIT() for "1 <<".

> +#define	AT91_ST_PIMR	0x04	/* Period Interval Mode Register */
> +#define		AT91_ST_PIV	(0xffff <<  0)	/* Period Interval Value */
> +
> +#define	AT91_ST_WDMR	0x08	/* Watchdog Mode Register */
> +#define		AT91_ST_WDV	(0xffff <<  0)	/* Watchdog Counter Value */
> +#define		AT91_ST_RSTEN	(1 << 16)	/* Reset Enable */
> +#define		AT91_ST_EXTEN	(1 << 17)	/* External Signal Assertion Enable */
> +
> +#define	AT91_ST_RTMR	0x0c	/* Real-time Mode Register */
> +#define		AT91_ST_RTPRES	(0xffff <<  0)	/* Real-time Prescalar Value */
> +
> +#define	AT91_ST_SR	0x10	/* Status Register */
> +#define		AT91_ST_PITS	(1 << 0)	/* Period Interval Timer Status */
> +#define		AT91_ST_WDOVF	(1 << 1)	/* Watchdog Overflow */
> +#define		AT91_ST_RTTINC	(1 << 2)	/* Real-time Timer Increment */
> +#define		AT91_ST_ALMS	(1 << 3)	/* Alarm Status */
> +
> +#define	AT91_ST_IER	0x14	/* Interrupt Enable Register */
> +#define	AT91_ST_IDR	0x18	/* Interrupt Disable Register */
> +#define	AT91_ST_IMR	0x1c	/* Interrupt Mask Register */
> +
> +#define	AT91_ST_RTAR	0x20	/* Real-time Alarm Register */
> +#define		AT91_ST_ALMV	(0xfffff << 0)	/* Alarm Value */
> +
> +#define	AT91_ST_CRTR	0x24	/* Current Real-time Register */
> +#define		AT91_ST_CRTV	(0xfffff << 0)	/* Current Real-Time Value */
> +
> +#endif /* _LINUX_MFD_SYSCON_ATMEL_ST_H */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2015-03-04 15:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-04 14:21 [PATCH v3 0/9] Atmel System Timer cleanups Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 1/9] ARM: at91/dt: declare atmel,at91rm9200-st as a syscon Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 2/9] mfd: syscon: Add atmel system timer registers definition Alexandre Belloni
2015-03-04 15:44   ` Lee Jones [this message]
2015-03-04 14:21 ` [PATCH v3 3/9] watchdog: at91rm9200: use the system timer syscon Alexandre Belloni
2015-03-04 14:51   ` Guenter Roeck
2015-03-04 15:08     ` Alexandre Belloni
2015-03-04 17:48       ` Guenter Roeck
2015-03-04 14:21 ` [PATCH v3 4/9] power: reset: Add AT91RM9200 reset driver Alexandre Belloni
2015-03-04 17:17   ` Sebastian Reichel
2015-03-05 15:09     ` Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 5/9] ARM: at91: at91rm9200: remove deprecated arm_pm_restart Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 6/9] ARM: at91: time: move the system timer driver to drivers/clocksource Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 7/9] clocksource: atmel-st: properly initialize driver Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 8/9] clocksource: atmel-st: use syscon/regmap Alexandre Belloni
2015-03-04 14:21 ` [PATCH v3 9/9] ARM: at91: remove useless include Alexandre Belloni

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150304154403.GM32624@x1 \
    --to=lee.jones@linaro.org \
    --cc=alexandre.belloni@free-electrons.com \
    --cc=boris.brezillon@free-electrons.com \
    --cc=daniel.lezcano@linaro.org \
    --cc=dbaryshkov@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=linux-watchdog@vger.kernel.org \
    --cc=linux@roeck-us.net \
    --cc=nicolas.ferre@atmel.com \
    --cc=plagnioj@jcrosoft.com \
    --cc=sre@kernel.org \
    --cc=tglx@linutronix.de \
    --cc=wim@iguana.be \
    --subject='Re: [PATCH v3 2/9] mfd: syscon: Add atmel system timer registers definition' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).