From: Icenowy Zheng <icenowy@aosc.xyz>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: "rui.zhang@intel.com" <rui.zhang@intel.com>,
"edubezval@gmail.com" <edubezval@gmail.com>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"wens@csie.org" <wens@csie.org>,
"emilio@elopez.com.ar" <emilio@elopez.com.ar>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"linux@armlinux.org.uk" <linux@armlinux.org.uk>,
"mturquette@baylibre.com" <mturquette@baylibre.com>,
"sboyd@codeaurora.org" <sboyd@codeaurora.org>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>
Subject: Re: [RFC PATCH 3/5] thermal: Add support for the thermal sensor on A23/33
Date: Wed, 29 Jun 2016 21:31:39 +0800 [thread overview]
Message-ID: <1112501467207099@web30g.yandex.ru> (raw)
In-Reply-To: <20160629121021.GD6095@lukather>
29.06.2016, 20:10, "Maxime Ripard" <maxime.ripard@free-electrons.com>:
> Hi,
>
> On Tue, Jun 28, 2016 at 09:56:22PM +0800, Icenowy Zheng wrote:
>> The reason for a dedicate driver is:
>> 1. This IP have only thermal function, so it's not suitable to use a
>> driver at drivers/input/touchscreen/.
>
> That's not a problem, and it's being worked on [1].
>
>> 2. Control Register are quite different.
>
> That's not a problem either, there's just a bit that you don't need to
> set in the control 1 register, and that's pretty much it. It doesn't
> justify a whole new driver.
>
>> 3. This IP uses AUDIO PLL (PLL2) as its clock!
>
> It's listed as the input, but all the rest of the documentation refers
> only to 24MHz, which seems to indicate that it's only running on the
> oscillator, which would make much more sense.
>
> Thanks,
> Maxime
>
> 1: http://lists.infradead.org/pipermail/linux-arm-kernel/2016-June/439487.html
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com
Thanks.
However, sun8iw3/5 ths is not even a GPADC... It's a specified IP, only used as an ADC suitable for temperature sensor.
next prev parent reply other threads:[~2016-06-29 13:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-28 10:13 [RFC PATCH 1/5] clk: sunxi: Add a driver for the PLL2 on A31/23/33 Icenowy Zheng
2016-06-28 10:13 ` [RFC PATCH 2/5] dt: bindings: add bindings for allwinner a23/33 ths Icenowy Zheng
2016-06-28 10:13 ` [RFC PATCH 3/5] thermal: Add support for the thermal sensor on A23/33 Icenowy Zheng
2016-06-28 11:46 ` Maxime Ripard
2016-06-28 13:56 ` Icenowy Zheng
2016-06-29 12:10 ` Maxime Ripard
2016-06-29 13:31 ` Icenowy Zheng [this message]
2016-06-29 13:42 ` Maxime Ripard
2016-06-29 13:52 ` Icenowy Zheng
2016-06-29 13:33 ` Icenowy Zheng
2016-06-29 13:42 ` Icenowy Zheng
2016-06-28 14:03 ` Icenowy Zheng
2016-06-28 10:13 ` [RFC PATCH 4/5] ARM: sun8i: enable PLL2 on a23/33 Icenowy Zheng
2016-06-28 10:13 ` [RFC PATCH 5/5] ARM: sun8i: enable ths node for A23/33 Icenowy Zheng
2016-07-05 6:12 ` [RFC PATCH 1/5] clk: sunxi: Add a driver for the PLL2 on A31/23/33 Maxime Ripard
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