Linux PWM subsystem development
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From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Andre Przywara <andre.przywara@arm.com>
Cc: linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-sunxi@googlegroups.com, Chen-Yu Tsai <wens@csie.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/5] pwm: sun4i: Introduce (optional) reset support
Date: Wed, 7 Mar 2018 08:45:16 +0100	[thread overview]
Message-ID: <20180307074516.dbak7ztkua4p7mr5@flea.lan> (raw)
In-Reply-To: <20180307020719.6675-4-andre.przywara@arm.com>


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On Wed, Mar 07, 2018 at 02:07:17AM +0000, Andre Przywara wrote:
> While the PWM IP in the Allwinner H6 SoC is fully compatible to those
> used in older SoCs (H3, A64), it features a dedicated reset line which
> needs to be de-asserted.
> Add support for an optional "resets" DT property in our pwm-sun4i probe
> routine, and assert and de-assert the reset line, where needed.
> This allows to enable PWM support on the H6.

This isn't optional then. It's mandatory on the H6, and unneeded on
everything else. This is what we should have.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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  reply	other threads:[~2018-03-07  7:45 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-07  2:07 [PATCH 0/5] drivers: pwm: sun4i: Improve support for A64 and H6 SoCs Andre Przywara
     [not found] ` <20180307020719.6675-1-andre.przywara-5wv7dgnIgG8@public.gmane.org>
2018-03-07  2:07   ` [PATCH 1/5] pwm: sun4i: drop unused .has_rdy member Andre Przywara
2018-03-07  7:40     ` Maxime Ripard
2018-03-07  2:07   ` [PATCH 2/5] pwm: sun4i: simplify controller mapping Andre Przywara
2018-03-07  7:44     ` Maxime Ripard
2018-03-07  2:07   ` [PATCH 3/5] pwm: sun4i: Introduce (optional) reset support Andre Przywara
2018-03-07  7:45     ` Maxime Ripard [this message]
     [not found]       ` <20180307074516.dbak7ztkua4p7mr5-ZC1Zs529Oq4@public.gmane.org>
2018-03-13 14:05         ` Andre Przywara
2018-03-13 15:32           ` Maxime Ripard
2018-03-07  2:07   ` [PATCH 4/5] dt-bindings: pwm: sunxi: add new compatible strings Andre Przywara
     [not found]     ` <20180307020719.6675-5-andre.przywara-5wv7dgnIgG8@public.gmane.org>
2018-03-08  2:08       ` Rob Herring
2018-03-08  9:09         ` Andre Przywara
     [not found]           ` <9431a141-8b9c-9743-0907-8f0720df34a2-5wv7dgnIgG8@public.gmane.org>
2018-03-08 14:37             ` Rob Herring
     [not found]               ` <CAL_Jsq+e8uRm0gi1dn3Ln-b37SC9WGw5aWPaBKoRA2vi-==j6A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-08 15:27                 ` Andre Przywara
2018-03-07  2:07   ` [PATCH 5/5] dts: sunxi: A64: Add PWM controllers Andre Przywara

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