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From: Maxime Ripard <maxime@cerno.tech>
To: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Andre Przywara <andre.przywara@arm.com>,
	Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Rob Herring <robh@kernel.org>, Icenowy Zheng <icenowy@aosc.io>,
	Samuel Holland <samuel@sholland.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@googlegroups.com, linux-sunxi@lists.linux.dev,
	linux-kernel@vger.kernel.org, Ondrej Jirman <megous@megous.com>,
	devicetree@vger.kernel.org,
	Alessandro Zummo <a.zummo@towertech.it>,
	linux-rtc@vger.kernel.org
Subject: Re: [PATCH v8 02/11] dt-bindings: rtc: sun6i: Add H616 compatible string
Date: Thu, 19 Aug 2021 09:56:30 +0200	[thread overview]
Message-ID: <20210819075630.upliivqux4dsohzd@gilmour> (raw)
In-Reply-To: <YRtvl2FWKqAw4b3l@piout.net>

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Salut Alex,

On Tue, Aug 17, 2021 at 10:13:11AM +0200, Alexandre Belloni wrote:
> On 17/08/2021 09:38:10+0200, Maxime Ripard wrote:
> > > > It's not entirely clear to me what those clocks are about though. If we
> > > > look at the clock output in the user manual, it looks like there's only
> > > > two clocks that are actually being output: the 32k "fanout" clock and
> > > > the losc. What are the 3 you're talking about?]
> > > 
> > > I see three: the raw SYSTEM "CLK32K_LOSC", the RTC input + debounce
> > > clock (/32), and the multiplexed PAD.
> > 
> > But the input and debounce clock is only for the RTC itself right? So it
> > should be local to the driver and doesn't need to be made available to
> > the other drivers
> > 
> 
> Shouldn't they be exposed to be able to use assigned-clock?

I'm not sure we would even need that? If it's an internal clock to the
RTC, then we probably won't ever need to change it from the device tree?

Maxime

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WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime@cerno.tech>
To: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Andre Przywara <andre.przywara@arm.com>,
	Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Rob Herring <robh@kernel.org>, Icenowy Zheng <icenowy@aosc.io>,
	Samuel Holland <samuel@sholland.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@googlegroups.com, linux-sunxi@lists.linux.dev,
	linux-kernel@vger.kernel.org, Ondrej Jirman <megous@megous.com>,
	devicetree@vger.kernel.org,
	Alessandro Zummo <a.zummo@towertech.it>,
	linux-rtc@vger.kernel.org
Subject: Re: [PATCH v8 02/11] dt-bindings: rtc: sun6i: Add H616 compatible string
Date: Thu, 19 Aug 2021 09:56:30 +0200	[thread overview]
Message-ID: <20210819075630.upliivqux4dsohzd@gilmour> (raw)
In-Reply-To: <YRtvl2FWKqAw4b3l@piout.net>


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Salut Alex,

On Tue, Aug 17, 2021 at 10:13:11AM +0200, Alexandre Belloni wrote:
> On 17/08/2021 09:38:10+0200, Maxime Ripard wrote:
> > > > It's not entirely clear to me what those clocks are about though. If we
> > > > look at the clock output in the user manual, it looks like there's only
> > > > two clocks that are actually being output: the 32k "fanout" clock and
> > > > the losc. What are the 3 you're talking about?]
> > > 
> > > I see three: the raw SYSTEM "CLK32K_LOSC", the RTC input + debounce
> > > clock (/32), and the multiplexed PAD.
> > 
> > But the input and debounce clock is only for the RTC itself right? So it
> > should be local to the driver and doesn't need to be made available to
> > the other drivers
> > 
> 
> Shouldn't they be exposed to be able to use assigned-clock?

I'm not sure we would even need that? If it's an internal clock to the
RTC, then we probably won't ever need to change it from the device tree?

Maxime

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  reply	other threads:[~2021-08-19  7:56 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-23 15:38 [PATCH v8 00/11] arm64: sunxi: Initial Allwinner H616 SoC support Andre Przywara
2021-07-23 15:38 ` Andre Przywara
2021-07-23 15:38 ` [PATCH v8 01/11] dt-bindings: mfd: axp20x: Add AXP305 compatible (plus optional IRQ) Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-08-16 12:39   ` Lee Jones
2021-08-16 12:39     ` Lee Jones
2021-07-23 15:38 ` [PATCH v8 02/11] dt-bindings: rtc: sun6i: Add H616 compatible string Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-23 22:34   ` Rob Herring
2021-07-23 22:34     ` Rob Herring
2021-07-26 14:41   ` Maxime Ripard
2021-07-26 14:41     ` Maxime Ripard
2021-08-02  0:39     ` Andre Przywara
2021-08-02  0:39       ` Andre Przywara
2021-08-17  7:38       ` Maxime Ripard
2021-08-17  7:38         ` Maxime Ripard
2021-08-17  8:13         ` Alexandre Belloni
2021-08-17  8:13           ` Alexandre Belloni
2021-08-19  7:56           ` Maxime Ripard [this message]
2021-08-19  7:56             ` Maxime Ripard
2021-08-18  9:04         ` Andre Przywara
2021-08-18  9:04           ` Andre Przywara
2021-08-20  3:57           ` Samuel Holland
2021-08-20  3:57             ` Samuel Holland
2021-09-01  7:21           ` Maxime Ripard
2021-09-01  7:21             ` Maxime Ripard
2021-07-23 15:38 ` [PATCH v8 03/11] rtc: sun6i: Fix time overflow handling Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-25  5:44   ` Jernej Škrabec
2021-07-25  5:44     ` Jernej Škrabec
2021-07-23 15:38 ` [PATCH v8 04/11] rtc: sun6i: Add support for linear day storage Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-25  5:51   ` Jernej Škrabec
2021-07-25  5:51     ` Jernej Škrabec
2021-07-23 15:38 ` [PATCH v8 05/11] rtc: sun6i: Add support for broken-down alarm registers Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-25  6:11   ` Jernej Škrabec
2021-07-25  6:11     ` Jernej Škrabec
2021-08-02  0:39     ` Andre Przywara
2021-08-02  0:39       ` Andre Przywara
2021-07-23 15:38 ` [PATCH v8 06/11] rtc: sun6i: Add support for RTCs without external LOSCs Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-25  6:18   ` Jernej Škrabec
2021-07-25  6:18     ` Jernej Škrabec
2021-07-23 15:38 ` [PATCH v8 07/11] rtc: sun6i: Add Allwinner H616 support Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-25  6:19   ` Jernej Škrabec
2021-07-25  6:19     ` Jernej Škrabec
2021-07-23 15:38 ` [PATCH v8 08/11] arm64: dts: allwinner: Add Allwinner H616 .dtsi file Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-23 15:38 ` [PATCH v8 09/11] dt-bindings: arm: sunxi: Add two H616 board compatible strings Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-23 15:38 ` [PATCH v8 10/11] arm64: dts: allwinner: h616: Add OrangePi Zero 2 board support Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-23 15:38 ` [PATCH v8 11/11] arm64: dts: allwinner: h616: Add X96 Mate TV box support Andre Przywara
2021-07-23 15:38   ` Andre Przywara
2021-07-25 16:41 ` [PATCH v8 00/11] arm64: sunxi: Initial Allwinner H616 SoC support Icenowy Zheng
2021-07-25 16:41   ` Icenowy Zheng
2021-07-25 16:41   ` Icenowy Zheng
2021-07-26 14:52 ` Maxime Ripard
2021-07-26 14:52   ` Maxime Ripard
2021-08-02  0:38   ` Andre Przywara
2021-08-02  0:38     ` Andre Przywara
2021-08-17  7:30     ` Maxime Ripard
2021-08-17  7:30       ` Maxime Ripard

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