From: Pankaj Dubey <pankaj.dubey@samsung.com>
To: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
kgene.kim@samsung.com, linux@arm.linux.org.uk,
chow.kim@samsung.com, Young-Gun Jang <yg1004.jang@samsung.com>
Subject: Re: [PATCH 03/10] ARM: EXYNOS: Move SYSREG definition into sys-reg specific file
Date: Fri, 11 Apr 2014 15:07:14 +0900 [thread overview]
Message-ID: <53478692.3020406@samsung.com> (raw)
In-Reply-To: <533BF433.6000209@samsung.com>
On 04/02/2014 08:27 PM, Sylwester Nawrocki wrote:
> Hi,
>
> On 02/04/14 09:50, Pankaj Dubey wrote:
>> From: Young-Gun Jang <yg1004.jang@samsung.com>
>>
>> While making PMU (Power Mengement Unit) implementation device tree based,
>> there are few offsets related with SYSREG present in regs-pmu.h, so let's
>> make a new header file "regs-sys.h" to keep all such SYSREG related
>> register definition and remove them from "regs-pmu.h"
>>
>> Signed-off-by: Young-Gun Jang <yg1004.jang@samsung.com>
>> Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
>> ---
>> arch/arm/mach-exynos/exynos.c | 1 +
>> arch/arm/mach-exynos/pm.c | 1 +
>> arch/arm/mach-exynos/regs-pmu.h | 3 ---
>> arch/arm/mach-exynos/regs-sys.h | 22 ++++++++++++++++++++++
>> 4 files changed, 24 insertions(+), 3 deletions(-)
>> create mode 100644 arch/arm/mach-exynos/regs-sys.h
> [...]
>> diff --git a/arch/arm/mach-exynos/regs-sys.h b/arch/arm/mach-exynos/regs-sys.h
>> new file mode 100644
>> index 0000000..84332b0
>> --- /dev/null
>> +++ b/arch/arm/mach-exynos/regs-sys.h
>> @@ -0,0 +1,22 @@
>> +/*
>> + * Copyright (c) 2014 Samsung Electronics Co., Ltd.
>> + * http://www.samsung.com
>> + *
>> + * EXYNOS - system register definition
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> +*/
>> +
>> +#ifndef __ASM_ARCH_REGS_SYS_H
>> +#define __ASM_ARCH_REGS_SYS_H __FILE__
>> +
>> +#include <mach/map.h>
>> +
>> +#define S5P_SYSREG(x) (S3C_VA_SYS + (x))
>> +
>> +/* For EXYNOS5 */
>> +#define EXYNOS5_SYS_I2C_CFG S5P_SYSREG(0x0234)
> Can this be defined as a regular register offset in a header file
> placed at include/linux/mfd/syscon/ ? I.e. can the mfd syscon driver be
> used instead of these hacks ?
>
No. As currently SysRegs are being accessed via iodesc table and not via DT,
it has dependency on "mach/map.h".
We separated these definitions from "regs-pmu.h" as it does not belong to EXYNOS
PMU IP.
But this can be done once we make some way of accessing SysReg register sets via DT.
--
Best Regards,
Pankaj Dubey
next prev parent reply other threads:[~2014-04-11 5:49 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-02 7:50 [PATCH 0/7] ARM: Exynos: PMU cleanup and refactoring for using DT Pankaj Dubey
2014-04-02 7:50 ` [PATCH 01/10] ARM: EXYNOS: Cleanup "mach-exynos/common.h" file Pankaj Dubey
2014-04-08 15:59 ` Tomasz Figa
2014-04-10 4:35 ` Pankaj Dubey
2014-04-02 7:50 ` [PATCH 02/10] ARM: EXYNOS: Correct file path in comment message Pankaj Dubey
2014-04-02 12:01 ` Michal Simek
2014-04-03 1:40 ` Pankaj Dubey
2014-04-03 2:12 ` Kukjin Kim
2014-04-02 7:50 ` [PATCH 03/10] ARM: EXYNOS: Move SYSREG definition into sys-reg specific file Pankaj Dubey
2014-04-02 11:27 ` Sylwester Nawrocki
2014-04-11 6:07 ` Pankaj Dubey [this message]
2014-04-02 7:50 ` [PATCH 04/10] ARM: EXYNOS: Remove regs-pmu.h file dependency from pm_domain Pankaj Dubey
2014-04-02 7:50 ` [PATCH 05/10] ARM: EXYNOS: Move "regs-pmu" header inclusion in common.h Pankaj Dubey
2014-04-08 16:09 ` Tomasz Figa
2014-04-10 4:58 ` Pankaj Dubey
2014-04-02 7:50 ` [PATCH 06/10] ARM: EXYNOS: Add support for mapping PMU base address via DT Pankaj Dubey
2014-04-02 11:48 ` Sylwester Nawrocki
2014-04-02 12:15 ` Michal Simek
2014-04-03 9:07 ` Sylwester Nawrocki
2014-04-05 10:58 ` Pankaj Dubey
2014-04-07 6:02 ` Michal Simek
2014-04-05 10:53 ` Pankaj Dubey
2014-04-23 13:02 ` Vikas Sajjan
2014-04-24 2:45 ` Pankaj Dubey
2014-04-02 7:50 ` [PATCH 07/10] ARM: EXYNOS: Refactored code for PMU register mapping " Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 00/10] ARM: Exynos: PMU cleanup and refactoring for using DT Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 01/10] ARM: EXYNOS: Make exynos machine_ops as static Pankaj Dubey
2014-04-25 21:05 ` Tomasz Figa
2014-04-26 4:42 ` Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 02/10] ARM: EXYNOS: Cleanup "mach-exynos/common.h" file Pankaj Dubey
2014-04-25 21:06 ` Tomasz Figa
2014-04-25 12:32 ` [PATCH v2 03/10] ARM: EXYNOS: Move SYSREG definition into sys-reg specific file Pankaj Dubey
2014-04-25 21:08 ` Tomasz Figa
2014-04-25 12:32 ` [PATCH v2 04/10] ARM: EXYNOS: Remove file path from comment section Pankaj Dubey
2014-04-25 21:14 ` Tomasz Figa
2014-04-25 12:32 ` [PATCH v2 05/10] ARM: EXYNOS: Remove regs-pmu.h header dependency from pm_domain Pankaj Dubey
2014-04-25 21:19 ` Tomasz Figa
2014-04-26 3:39 ` Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 06/10] ARM: EXYNOS: Add support for mapping PMU base address via DT Pankaj Dubey
2014-04-25 21:43 ` Tomasz Figa
2014-04-27 7:29 ` Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 07/10] ARM: EXYNOS: Remove "linux/bug.h" from pmu.c Pankaj Dubey
2014-04-25 21:44 ` Tomasz Figa
2014-04-25 12:32 ` [PATCH v2 08/10] ARM: EXYNOS: Refactored code for using PMU address via DT Pankaj Dubey
2014-04-25 22:19 ` Tomasz Figa
2014-04-26 3:32 ` Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 09/10] ARM: EXYNOS: Move "mach/map.h" inclusion from regs-pmu.h to platsmp.c Pankaj Dubey
2014-04-25 12:32 ` [PATCH v2 10/10] ARM: EXYNOS: Add device tree based initialization support for PMU Pankaj Dubey
2014-04-25 22:40 ` Tomasz Figa
2014-04-26 4:36 ` Pankaj Dubey
2014-04-25 22:43 ` [PATCH v2 00/10] ARM: Exynos: PMU cleanup and refactoring for using DT Tomasz Figa
2014-04-26 2:07 ` Pankaj Dubey
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