From: Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
To: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Heiko Schocher <hs-ynQEQJNshbs@public.gmane.org>,
Fabio Estevam
<fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
Anssi Hannula <anssi.hannula-X3B1VOXEql0@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
Philipp Zabel <p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Subject: [PATCH 0/3] Disable PWMs in imx6ql.dtsi
Date: Mon, 9 Mar 2015 17:40:33 +0100 [thread overview]
Message-ID: <1425919236-6664-1-git-send-email-p.zabel@pengutronix.de> (raw)
Hi,
PWMs are only useful if they have an output pin connected. Since
most boards don't have all of the PWM output pins assigned, let's
disable the PWMs by default in imx6qdl.dtsi and have each board
device tree explicitly enable just the PWMs they need.
Most device trees do this already - add the missing ones and
change the default status to "disabled" in the dtsi.
regards
Philipp
Philipp Zabel (3):
ARM: dts: imx6dl-aristainetos: enable backlight PWM explicitly
ARM: dts: hummingboard/cubox-i: enable front LED PWM explicitly
ARM: dts: imx6qdl: disable PWMs by default
arch/arm/boot/dts/imx6dl-aristainetos_4.dts | 4 ++++
arch/arm/boot/dts/imx6dl-aristainetos_7.dts | 4 ++++
arch/arm/boot/dts/imx6qdl-cubox-i.dtsi | 4 ++++
arch/arm/boot/dts/imx6qdl.dtsi | 4 ++++
4 files changed, 16 insertions(+)
--
2.1.4
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next reply other threads:[~2015-03-09 16:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-09 16:40 Philipp Zabel [this message]
[not found] ` <1425919236-6664-1-git-send-email-p.zabel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2015-03-09 16:40 ` [PATCH 1/3] ARM: dts: imx6dl-aristainetos: enable backlight PWM explicitly Philipp Zabel
2015-03-09 16:40 ` [PATCH 2/3] ARM: dts: hummingboard/cubox-i: enable front LED " Philipp Zabel
2015-03-09 16:40 ` [PATCH 3/3] ARM: dts: imx6qdl: disable PWMs by default Philipp Zabel
2015-03-11 1:53 ` [PATCH 0/3] Disable PWMs in imx6ql.dtsi Shawn Guo
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