linux-kernel - [RFCv2][PATCHv5 0/4] Add Freescale FTM PWM driver.

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Message-ID: <1383114204-17264-1-git-send-email-Li.Xiubo@freescale.com>
Date:	Wed, 30 Oct 2013 14:23:20 +0800
From:	Xiubo Li <Li.Xiubo@...escale.com>
To:	<r65073@...escale.com>, <thierry.reding@...il.com>
CC:	<s.hauer@...gutronix.de>, <swarren@...dotorg.org>,
	<t.figa@...sung.com>, <grant.likely@...aro.org>,
	<linux@....linux.org.uk>, <rob@...dley.net>,
	<ian.campbell@...rix.com>, <mark.rutland@....com>,
	<pawel.moll@....com>, <rob.herring@...xeda.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-pwm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>
Subject: [RFCv2][PATCHv5 0/4] Add Freescale FTM PWM driver.

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 VF610 Tower board using device tree.



Changes in RFCv2 of PATVHv5:
- Remove "fsl,pwm-counter-clk"(all the four patches are modified).

Changes in v5:
- Remove active/idle pinctrl stuff.

Changes in v4:
- Check for the result and return an error for devm_kzalloc().
- Move pinmux setting from the SoC file to the board specific file.
- Revise the written mistake of 'ret |= FTMSC_CLKEXT;' --> 'reg |= FTMSC_CLKEXT;'.


Changes in v3:
- Remove "availabe" field.
- Remove "fsl,pwm-avaliable-chs" property.
- ...

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.
- ...

Added 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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