From: Alexandre Belloni <alexandre.belloni@free-electrons.com> To: Nicolas Ferre <nicolas.ferre@atmel.com>, Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Boris Brezillon <boris.brezillon@free-electrons.com>, Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>, Wim Van Sebroeck <wim@iguana.be>, Guenter Roeck <linux@roeck-us.net>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-watchdog@vger.kernel.org, Alexandre Belloni <alexandre.belloni@free-electrons.com> Subject: [PATCH v5 02/10] mfd: syscon: Add atmel system timer registers definition Date: Thu, 12 Mar 2015 13:07:26 +0100 [thread overview] Message-ID: <1426162054-9987-3-git-send-email-alexandre.belloni@free-electrons.com> (raw) In-Reply-To: <1426162054-9987-1-git-send-email-alexandre.belloni@free-electrons.com> 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> Acked-by: Lee Jones <lee.jones@linaro.org> --- 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..8acf1ec1fa32 --- /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 */ + +#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 */ -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: alexandre.belloni@free-electrons.com (Alexandre Belloni) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 02/10] mfd: syscon: Add atmel system timer registers definition Date: Thu, 12 Mar 2015 13:07:26 +0100 [thread overview] Message-ID: <1426162054-9987-3-git-send-email-alexandre.belloni@free-electrons.com> (raw) In-Reply-To: <1426162054-9987-1-git-send-email-alexandre.belloni@free-electrons.com> 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> Acked-by: Lee Jones <lee.jones@linaro.org> --- 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..8acf1ec1fa32 --- /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 */ + +#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 */ -- 2.1.0
next prev parent reply other threads:[~2015-03-12 12:12 UTC|newest] Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-12 12:07 [PATCH v5 00/10] Atmel System Timer cleanups Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-12 12:07 ` [PATCH v5 01/10] ARM: at91/dt: declare atmel,at91rm9200-st as a syscon Alexandre Belloni 2015-03-12 12:07 ` [PATCH v5 01/10] ARM: at91/dt: declare atmel, at91rm9200-st " Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni [this message] 2015-03-12 12:07 ` [PATCH v5 02/10] mfd: syscon: Add atmel system timer registers definition Alexandre Belloni 2015-03-13 8:03 ` Lee Jones 2015-03-13 8:03 ` Lee Jones 2015-03-13 8:03 ` Lee Jones 2015-03-13 10:40 ` Alexandre Belloni 2015-03-13 10:40 ` Alexandre Belloni 2015-03-13 16:52 ` Nicolas Ferre 2015-03-13 16:52 ` Nicolas Ferre 2015-03-13 16:52 ` Nicolas Ferre 2015-03-16 8:17 ` Lee Jones 2015-03-16 8:17 ` Lee Jones 2015-03-16 8:17 ` Lee Jones 2015-03-12 12:07 ` [PATCH v5 03/10] watchdog: at91rm9200: use the system timer syscon Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-12 16:19 ` Guenter Roeck 2015-03-12 16:19 ` Guenter Roeck 2015-03-12 12:07 ` [PATCH v5 04/10] watchdog: at91rm9200: implement restart handler Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-12 16:22 ` Guenter Roeck 2015-03-12 16:22 ` Guenter Roeck 2015-03-12 12:07 ` [PATCH v5 05/10] ARM: at91: at91rm9200: remove deprecated arm_pm_restart Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-12 12:07 ` [PATCH v5 06/10] ARM: at91: properly initialize timer Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-12 12:07 ` [PATCH v5 07/10] ARM: at91: time: move the system timer driver to drivers/clocksource Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-13 10:14 ` Daniel Lezcano 2015-03-13 10:14 ` Daniel Lezcano 2015-03-13 10:14 ` Daniel Lezcano 2015-03-12 12:07 ` [PATCH v5 08/10] clocksource: atmel-st: use syscon/regmap Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-13 10:17 ` Daniel Lezcano 2015-03-13 10:17 ` Daniel Lezcano 2015-03-13 10:17 ` Daniel Lezcano 2015-03-12 12:07 ` [PATCH v5 09/10] clocksource: atmel-st: remove mach/hardware dependency Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-13 10:21 ` Daniel Lezcano 2015-03-13 10:21 ` Daniel Lezcano 2015-03-13 10:21 ` Daniel Lezcano 2015-03-13 10:44 ` Alexandre Belloni 2015-03-13 10:44 ` Alexandre Belloni 2015-03-13 10:54 ` [PATCH v6 " Alexandre Belloni 2015-03-13 10:54 ` Alexandre Belloni 2015-03-12 12:07 ` [PATCH v5 10/10] ARM: at91: remove useless include Alexandre Belloni 2015-03-12 12:07 ` Alexandre Belloni 2015-03-13 10:22 ` Daniel Lezcano 2015-03-13 10:22 ` Daniel Lezcano 2015-03-13 10:22 ` Daniel Lezcano 2015-03-12 14:04 ` [PATCH v5 00/10] Atmel System Timer cleanups Nicolas Ferre 2015-03-12 14:04 ` Nicolas Ferre 2015-03-12 14:04 ` Nicolas Ferre 2015-03-13 10:23 ` Daniel Lezcano 2015-03-13 10:23 ` Daniel Lezcano 2015-03-13 10:23 ` Daniel Lezcano 2015-03-13 10:33 ` Alexandre Belloni 2015-03-13 10:33 ` Alexandre Belloni 2015-03-13 10:33 ` Daniel Lezcano 2015-03-13 10:33 ` Daniel Lezcano 2015-03-13 10:33 ` Daniel Lezcano 2015-03-13 16:36 ` Nicolas Ferre 2015-03-13 16:36 ` Nicolas Ferre 2015-03-13 16:36 ` Nicolas Ferre
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