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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 v4 2/9] mfd: syscon: Add atmel system timer registers definition
Date: Fri, 6 Mar 2015 10:58:11 +0000	[thread overview]
Message-ID: <20150306105811.GC3318@x1> (raw)
In-Reply-To: <1425570594-13124-3-git-send-email-alexandre.belloni@free-electrons.com>

On Thu, 05 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 | 49 +++++++++++++++++++++++++++++++++++++
>  1 file changed, 49 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..93c7affc2809
> --- /dev/null
> +++ b/include/linux/mfd/syscon/atmel-st.h
> @@ -0,0 +1,49 @@
> +/*
> + * 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
> +
> +#include <linux/bitops.h>
> +
> +#define	AT91_ST_CR	0x00	/* Control Register */
> +#define		AT91_ST_WDRST	BIT(0)	/* Watchdog Timer Restart */

Sorry for the incremental reviews, I'm exceptionally busy of late.

The next white space character after #define should be a humble space.

... at least for the register defines.  The bit assignments can be
tabbed out to denote what they are.

Once fixed, please resend with my:

Acked-by: Lee Jones <lee.jones@linaro.org>

> +#define	AT91_ST_PIMR	0x04	/* Period Interval Mode Register */
> +#define		AT91_ST_PIV	0xffff	/* Period Interval Value */
> +
> +#define	AT91_ST_WDMR	0x08	/* Watchdog Mode Register */
> +#define		AT91_ST_WDV	0xffff	/* Watchdog Counter Value */
> +#define		AT91_ST_RSTEN	BIT(16)	/* Reset Enable */
> +#define		AT91_ST_EXTEN	BIT(17)	/* External Signal Assertion Enable */
> +
> +#define	AT91_ST_RTMR	0x0c	/* Real-time Mode Register */
> +#define		AT91_ST_RTPRES	0xffff	/* Real-time Prescalar Value */
> +
> +#define	AT91_ST_SR	0x10	/* Status Register */
> +#define		AT91_ST_PITS	BIT(0)	/* Period Interval Timer Status */
> +#define		AT91_ST_WDOVF	BIT(1)	/* Watchdog Overflow */
> +#define		AT91_ST_RTTINC	BIT(2)	/* Real-time Timer Increment */
> +#define		AT91_ST_ALMS	BIT(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	/* Alarm Value */
> +
> +#define	AT91_ST_CRTR	0x24	/* Current Real-time Register */
> +#define		AT91_ST_CRTV	0xfffff	/* 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:[~2015-03-06 10:58 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-05 15:49 [PATCH v4 0/9] Atmel System Timer cleanups Alexandre Belloni
2015-03-05 15:49 ` [PATCH v4 1/9] ARM: at91/dt: declare atmel,at91rm9200-st as a syscon Alexandre Belloni
2015-03-05 15:49 ` [PATCH v4 2/9] mfd: syscon: Add atmel system timer registers definition Alexandre Belloni
2015-03-06 10:58   ` Lee Jones [this message]
2015-03-05 15:49 ` [PATCH v4 3/9] watchdog: at91rm9200: use the system timer syscon Alexandre Belloni
2015-03-09 15:33   ` [v4,3/9] " Guenter Roeck
2015-03-05 15:49 ` [PATCH v4 4/9] power: reset: Add AT91RM9200 reset driver Alexandre Belloni
2015-03-05 19:49   ` Paul Bolle
2015-03-05 20:34     ` Alexandre Belloni
2015-03-05 15:49 ` [PATCH v4 5/9] ARM: at91: at91rm9200: remove deprecated arm_pm_restart Alexandre Belloni
2015-03-05 15:49 ` [PATCH v4 6/9] ARM: at91: time: move the system timer driver to drivers/clocksource Alexandre Belloni
2015-03-05 19:41   ` Paul Bolle
2015-03-05 19:47     ` Alexandre Belloni
2015-03-06  8:36   ` Daniel Lezcano
2015-03-05 15:49 ` [PATCH v4 7/9] clocksource: atmel-st: properly initialize driver Alexandre Belloni
2015-03-06  8:38   ` Daniel Lezcano
2015-03-05 15:49 ` [PATCH v4 8/9] clocksource: atmel-st: use syscon/regmap Alexandre Belloni
2015-03-06  8:43   ` Daniel Lezcano
2015-03-06  8:47     ` Alexandre Belloni
2015-03-09 11:13       ` Daniel Lezcano
2015-03-05 15:49 ` [PATCH v4 9/9] ARM: at91: remove useless include Alexandre Belloni

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