From: Shawn Guo <shawn.guo@linaro.org>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org,
"HACHIMI Samir" <shachimi@adeneo-embedded.com>,
thierry.reding@avionic-design.de, linux-kernel@vger.kernel.org,
"Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
Subject: Re: i.MX pwm patches
Date: Fri, 31 Aug 2012 05:45:49 +0800 [thread overview]
Message-ID: <20120830214547.GC3613@r65073-Latitude-D630> (raw)
In-Reply-To: <1346154504-5623-1-git-send-email-s.hauer@pengutronix.de>
On Tue, Aug 28, 2012 at 01:48:15PM +0200, Sascha Hauer wrote:
> Hi All,
>
> The following patches are an overdue work on the i.MX pwm driver.
>
> - introduce SoC specific functions to make the driver easier to maintain
> - use peripheral clock for pwm output unconditionally
> - separate the two clocks this module has
> - enable ipg clock for register accesses, peripheral clock for enabling
> the pwm
> - make the driver safe for calling pwm_config before pwm_enable
> - Add devicetree support for i.MX53
>
> The platform device support is still implemented using cpu_is_*, I think
> this can be dropped completely soon
Anything stops us from doing this right now? The bonus point of
cleaning this is that we can remove the #include <mach/hardware.h>
from the driver, which is helpful for single-kernel project.
Regards,
Shawn
> as this driver has no in kernel users
> currently, so there should be no need to keep compatibility for platform
> based boards.
>
> Hopefully this series fixes the issues mentioned by Benoît. It has been
> tested on an i.MX53 only.
>
> Sascha
>
> ----------------------------------------------------------------
> Philipp Zabel (3):
> pwm i.MX: add devicetree support
> pwm i.MX: fix clock lookup
> pwm i.MX: add devicetree support
>
> Sascha Hauer (6):
> pwm i.MX: factor out SoC specific functions
> pwm i.MX: remove unnecessary if in pwm_[en|dis]able
> pwm i.MX: add functions to enable/disable pwm.
> pwm i.MX: Use module_platform_driver
> pwm i.MX: use per clock unconditionally
> ARM i.MX53: Add pwms to dtsi
>
> arch/arm/boot/dts/imx53.dtsi | 14 ++
> arch/arm/mach-imx/clk-imx51-imx53.c | 4 +
> drivers/pwm/pwm-imx.c | 278 +++++++++++++++++++++++------------
> 3 files changed, 202 insertions(+), 94 deletions(-)
next prev parent reply other threads:[~2012-08-31 10:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-28 11:48 i.MX pwm patches Sascha Hauer
2012-08-28 11:48 ` [PATCH 1/9] pwm i.MX: factor out SoC specific functions Sascha Hauer
2012-08-28 11:48 ` [PATCH 2/9] pwm i.MX: remove unnecessary if in pwm_[en|dis]able Sascha Hauer
2012-08-28 11:48 ` [PATCH 3/9] pwm i.MX: add functions to enable/disable pwm Sascha Hauer
2012-08-28 11:48 ` [PATCH 4/9] pwm i.MX: Use module_platform_driver Sascha Hauer
2012-08-28 11:48 ` [PATCH 5/9] pwm i.MX: add devicetree support Sascha Hauer
2012-08-30 22:26 ` Shawn Guo
2012-08-28 11:48 ` [PATCH 6/9] pwm i.MX: use per clock unconditionally Sascha Hauer
2012-08-28 11:48 ` [PATCH 7/9] pwm i.MX: fix clock lookup Sascha Hauer
2012-08-28 11:48 ` [PATCH 8/9] ARM i.MX53: Add pwms to dtsi Sascha Hauer
2012-08-30 22:32 ` Shawn Guo
2012-08-31 13:07 ` Sascha Hauer
2012-08-31 0:16 ` Shawn Guo
2012-09-07 13:29 ` Thierry Reding
2012-09-07 17:26 ` Sascha Hauer
2012-09-07 20:10 ` Thierry Reding
2012-08-28 11:48 ` [PATCH 9/9] pwm i.MX: add devicetree support Sascha Hauer
2012-08-30 22:28 ` Shawn Guo
2012-08-30 21:45 ` Shawn Guo [this message]
2012-08-31 13:05 ` i.MX pwm patches Sascha Hauer
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