From: Chen-Yu Tsai <wens@csie.org>
To: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-rtc@vger.kernel.org,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-sunxi <linux-sunxi@googlegroups.com>
Subject: Re: [linux-sunxi] [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC
Date: Mon, 15 Apr 2019 22:39:08 +0800 [thread overview]
Message-ID: <CAGb2v66dY40zkQcVcyORZ-7RAkC1ATB9fTyRzabf-NyDKAustw@mail.gmail.com> (raw)
In-Reply-To: <20190415143304.dxpmyh73qxzaybtc@flea>
On Mon, Apr 15, 2019 at 10:33 PM Maxime Ripard
<maxime.ripard@bootlin.com> wrote:
>
> On Mon, Apr 15, 2019 at 04:22:22PM +0200, Ondřej Jirman wrote:
> > DT would still probably need a re-work in the future, if the PRCM clock
> > modeling the gate would be needed.
>
> Just reacting to that bit.
>
> I know we're pretty bad at this, and the documentation doesn't make it
> any easier, but if you have any idea of how it should be modelled
> next, then do that.
It seems to be just a clock gate, judging by previous (A80/A83T) SoCs.
However since we lack documents for the PRCM, we might need to poke
around to verify that it's actually there.
Or maybe we could ask Allwinner very specific questions, like:
- Does the PRCM have a gate controlling XO?
- Is it bit 2 in register 0x44 in the PRCM?
ChenYu
> There's no reason to push it to a later time, it makes everyone's life
> harder.
>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com
>
> --
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next prev parent reply other threads:[~2019-04-15 14:39 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-12 12:07 [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC megous
2019-04-12 12:07 ` [PATCH 1/3] dt-bindings: Add compatible for H6 RTC megous
2019-08-05 10:16 ` [linux-sunxi] " Chen-Yu Tsai
2019-04-12 12:07 ` [PATCH 2/3] rtc: sun6i: Add support " megous
2019-08-05 10:16 ` [linux-sunxi] " Chen-Yu Tsai
2019-08-05 10:20 ` Ondřej Jirman
2019-08-05 10:45 ` Ondřej Jirman
2019-08-05 10:54 ` Chen-Yu Tsai
2019-08-05 11:10 ` Ondřej Jirman
2019-08-05 11:21 ` Chen-Yu Tsai
2019-08-05 12:16 ` Clément Péron
2019-04-12 12:07 ` [PATCH 3/3] arm64: dts: sun50i-h6: Add support for RTC and fix the clock tree megous
2019-04-15 8:18 ` [linux-sunxi] [PATCH 0/3] Add basic support for RTC on Allwinner H6 SoC Chen-Yu Tsai
2019-04-15 14:22 ` Ondřej Jirman
2019-04-15 14:33 ` Maxime Ripard
2019-04-15 14:39 ` Chen-Yu Tsai [this message]
2019-04-15 14:35 ` Chen-Yu Tsai
2019-04-15 15:17 ` Ondřej Jirman
2019-08-06 18:30 ` Ondřej Jirman
2019-08-06 22:27 ` Ondřej Jirman
2019-08-07 10:55 ` Alexandre Belloni
2019-08-08 5:48 ` Chen-Yu Tsai
2019-08-08 12:12 ` Ondřej Jirman
2019-08-08 23:39 ` Alexandre Belloni
2019-08-09 9:16 ` Ondřej Jirman
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