linux-kernel - [PATCH v3 0/6] Support PWM polarity control

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Message-ID: <20161007151129.6043-1-bhuvanchandra.dv@toradex.com>
Date:   Fri, 7 Oct 2016 20:41:23 +0530
From:   Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
To:     <shawnguo@...nel.org>, <thierry.reding@...il.com>
CC:     <stefan@...er.ch>, <l.majewski@...sung.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <kernel@...gutronix.de>,
        <fabio.estevam@....com>, <linux-pwm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
Subject: [PATCH v3 0/6] Support PWM polarity control

Changes since v3:

- Set pwm->args.polarity, before using pwm_set_polarity() function as suggested
  by Lukasz.
- Squash Lukasz patch( https://lkml.org/lkml/2016/10/6/32 )

Tested on Toradex Colibri iMX6S module.

Changes since v2:

- Picked the stalled patchset[1] from Lothar Wassmann which adds the basic
  support for polarity control on imx-pwm driver and adds backward compatibility
  support for devices which does not have polarity control feature.

Changes since Lothars v6:

- Squash Lukasz patch[2].

[1] http://thread.gmane.org/gmane.linux.pwm/1621
[2] https://www.spinics.net/lists/arm-kernel/msg530818.html

Bhuvanchandra DV (3):
  arm: dts: imx7: Update #pwm-cells for PWM polarity control
  arm: dts: imx7-colibri: Use pwm polarity control
  arm: dts: imx7-colibri: Use enable-gpios for BL_ON

Lothar Wassmann (3):
  pwm: print error messages with pr_err() instead of pr_debug()
  pwm: core: make the PWM_POLARITY flag in DTB optional
  pwm: imx: support output polarity inversion

 Documentation/devicetree/bindings/pwm/imx-pwm.txt |  6 +--
 arch/arm/boot/dts/imx7-colibri.dtsi               | 12 +++++-
 arch/arm/boot/dts/imx7s.dtsi                      |  8 ++--
 drivers/pwm/core.c                                | 26 ++++++------
 drivers/pwm/pwm-imx.c                             | 51 +++++++++++++++++++++--
 5 files changed, 79 insertions(+), 24 deletions(-)

-- 
2.10.0