From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Chen-Yu Tsai <wens@csie.org>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org,
linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
Corentin Labbe <clabbe.montjoie@gmail.com>
Subject: Re: [PATCH v2 04/14] dt-bindings: rtc: sun6i-rtc: Export internal RC oscillator
Date: Tue, 4 Dec 2018 10:17:23 +0100 [thread overview]
Message-ID: <20181204091723.p2cvqzmsnnogxxfc@flea> (raw)
In-Reply-To: <20181203145825.20511-5-wens@csie.org>
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On Mon, Dec 03, 2018 at 10:58:15PM +0800, Chen-Yu Tsai wrote:
> Experiments showed that on at least the H3/H5/A64 the RTC's internal
> oscillator also feeds the CPUS mux in the PRCM.
>
> Export this clock through the device tree, instead of having to use
> a dummy fixed-clock device node, for the PRCM to consume. This will
> properly describe the relationship between the clocks.
>
> Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: Alexandre Belloni
<alexandre.belloni-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>,
Alessandro Zummo
<a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>,
Michael Turquette
<mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
Stephen Boyd <sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-rtc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
Corentin Labbe
<clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH v2 04/14] dt-bindings: rtc: sun6i-rtc: Export internal RC oscillator
Date: Tue, 4 Dec 2018 10:17:23 +0100 [thread overview]
Message-ID: <20181204091723.p2cvqzmsnnogxxfc@flea> (raw)
In-Reply-To: <20181203145825.20511-5-wens-jdAy2FN1RRM@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 712 bytes --]
On Mon, Dec 03, 2018 at 10:58:15PM +0800, Chen-Yu Tsai wrote:
> Experiments showed that on at least the H3/H5/A64 the RTC's internal
> oscillator also feeds the CPUS mux in the PRCM.
>
> Export this clock through the device tree, instead of having to use
> a dummy fixed-clock device node, for the PRCM to consume. This will
> properly describe the relationship between the clocks.
>
> Tested-by: Corentin Labbe <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Acked-by: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Chen-Yu Tsai <wens@csie.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
devicetree@vger.kernel.org, Stephen Boyd <sboyd@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
Rob Herring <robh+dt@kernel.org>,
Corentin Labbe <clabbe.montjoie@gmail.com>,
linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rtc@vger.kernel.org
Subject: Re: [PATCH v2 04/14] dt-bindings: rtc: sun6i-rtc: Export internal RC oscillator
Date: Tue, 4 Dec 2018 10:17:23 +0100 [thread overview]
Message-ID: <20181204091723.p2cvqzmsnnogxxfc@flea> (raw)
In-Reply-To: <20181203145825.20511-5-wens@csie.org>
[-- Attachment #1.1: Type: text/plain, Size: 654 bytes --]
On Mon, Dec 03, 2018 at 10:58:15PM +0800, Chen-Yu Tsai wrote:
> Experiments showed that on at least the H3/H5/A64 the RTC's internal
> oscillator also feeds the CPUS mux in the PRCM.
>
> Export this clock through the device tree, instead of having to use
> a dummy fixed-clock device node, for the PRCM to consume. This will
> properly describe the relationship between the clocks.
>
> Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2018-12-04 9:18 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-03 14:58 [PATCH v2 00/14] rtc: sun6i: clock rework and pre-H6 SoC support Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 01/14] dt-bindings: rtc: sun6i-rtc: Rewrite clock outputs as a list Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 02/14] dt-bindings: rtc: sun6i-rtc: Add compatible strings for pre-H6 variants Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 03/14] dt-bindings: rtc: sun6i-rtc: Deprecate external clock output for A31 Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 04/14] dt-bindings: rtc: sun6i-rtc: Export internal RC oscillator Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-04 9:17 ` Maxime Ripard [this message]
2018-12-04 9:17 ` Maxime Ripard
2018-12-04 9:17 ` Maxime Ripard
2018-12-03 14:58 ` [PATCH v2 05/14] rtc: sun6i: Add default clock name for LOSC Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 06/14] rtc: sun6i: Add support for different variants Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 07/14] rtc: sun6i: Add support for all known pre-H6 variants Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 08/14] rtc: sun6i: Expose internal oscillator through device tree Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-04 9:17 ` Maxime Ripard
2018-12-04 9:17 ` Maxime Ripard
2018-12-04 9:17 ` Maxime Ripard
2018-12-03 14:58 ` [PATCH v2 09/14] ARM: dts: sun8i: a23/a33: Fix up RTC device node Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 10/14] ARM: dts: sunxi: h3/h5: Add clock accuracy for external oscillators Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 11/14] ARM: dts: sunxi: h3/h5: Fix up RTC device node and clock references Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 12/14] ARM: dts: sun8i: r40: Add clock accuracy for external oscillators Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 13/14] ARM: dts: sun8i: r40: Add RTC device node Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` [PATCH v2 14/14] arm64: dts: allwinner: a64: Fix up RTC device node and clock references Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-03 14:58 ` Chen-Yu Tsai
2018-12-06 5:49 ` [PATCH v2 00/14] rtc: sun6i: clock rework and pre-H6 SoC support Chen-Yu Tsai
2018-12-06 5:49 ` Chen-Yu Tsai
2018-12-06 5:49 ` Chen-Yu Tsai
2018-12-06 20:34 ` Alexandre Belloni
2018-12-06 20:34 ` Alexandre Belloni
2018-12-06 20:34 ` Alexandre Belloni
2018-12-07 2:25 ` Chen-Yu Tsai
2018-12-07 2:25 ` Chen-Yu Tsai
2018-12-07 2:25 ` Chen-Yu Tsai
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