Add Freescale FTM PWM driver for Vybrid VF610 TOWER [LWN.net]

From:		Xiubo Li <Li.Xiubo@freescale.com>
To:		<r65073@freescale.com>, <thierry.reding@gmail.com>
Subject:		[PATCHv2 0/4] Add Freescale FTM PWM driver for Vybrid VF610 TOWER
Date:		Fri, 30 Aug 2013 17:48:48 +0800
Message-ID:		<1377856132-11290-1-git-send-email-Li.Xiubo@freescale.com>
Cc:		<grant.likely@linaro.org>, <linux@arm.linux.org.uk>, <rob@landley.net>, <ian.campbell@citrix.com>, <swarren@wwwdotorg.org>, <mark.rutland@arm.com>, <pawel.moll@arm.com>, <rob.herring@calxeda.com>, <linux-arm-kernel@lists.infradead.org>, <linux-pwm@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-doc@vger.kernel.org>
Archive-link:		Article, Thread

Hello,

This patch series is the Freescale FTM PWM implementation. And there are 8
channels most supported by the FTM PWM. This implementation is only compatible
with device tree definition.

This patch series is based on linux-next and has been tested on Vybrid VF610TWR
board using device tree.

Changes in v2:
- Remove PWM CPWM/EPWM feature and sysfs.
- Remove some redundant code.
- Revise some code for more readable.
- Remove "fsl,pwm-clk-ps", "fsl,pwm-number", "fsl,pwm-channels",etc.
- Add "fsl,pwm-avaliable-chs", "fsl,pwm-counter-clk", etc.
- Support 8 channels default in dtsi file.
- Add counter clock source selection.
- Rename some function name, macro name, etc.
- Use PWM's and OF's existing function interfaces.
- Split clk_unprepare_enable to clk_unprepare and clk_enable,etc.
- ...

Orignal in v1:
- Add Freescale FTM PWM driver support.
- Add Freescale FTM PWM node for VF610.
- Enable Enables FTM PWM device for Vybrid VF610 TOWER.
- Add device tree bindings for Freescale.





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