From: dannym@scratchpost•org (Danny Milosavljevic)
To: linux-arm-kernel@lists•infradead.org
Subject: [linux-sunxi] Re: [PATCH 11/11] arm64: dts: add Pine64 support
Date: Tue, 9 Feb 2016 21:33:21 +0100 [thread overview]
Message-ID: <20160209213321.7ab6beba@scratchpost.org> (raw)
In-Reply-To: <CAGRGNgWTMVYExfWZceoY2UKVYq=3g6EnhYBqt9GOFk0Yh6j+4g@mail.gmail.com>
Hi,
On Mon, 8 Feb 2016 11:55:43 +1100
Julian Calaby <julian.calaby@gmail•com> wrote:
> I believe that device tree overlays are the generally recommended method.
I agree. But last time I tried, the device tree compiler didn't
support overlays - neither in Debian nor in the in-kernel dtc ("-@" is
unsupported; last tried with linux-4.3-rc7).
And even if you could compile them, the platform has to support specifying which
overlays to use in the first place (for example as a Linux cmdline option).
For example Beaglebone Black (TI Sitara) does. I don't know whether sunxi does.
Also, the overlay dts files are very different from normal dts files, see
<http://www.patternagents.com/news/2015/01/29/devicetree-overlays.html>.
The original Linux device tree changeset patchset also introduced an in-kernel
interface for loading/unloading of DT overlays at runtime. AFAIK, this is still
not available to user space.
More info at <https://lwn.net/Articles/616859/>.
(I tried some 4 months ago - it wasn't integrated enough.
So now I just patch the main dts every time - which I probably shouldn't)
Regards,
Danny
next prev parent reply other threads:[~2016-02-09 20:33 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-01 17:39 [PATCH 00/11] arm64: Introduce Allwinner A64 and Pine64 support Andre Przywara
2016-02-01 17:39 ` [PATCH 01/11] irqchip: sun4i: fix compilation outside of arch/arm Andre Przywara
2016-02-02 15:12 ` Matthias Brugger
2016-02-02 15:32 ` Andre Przywara
2016-02-02 16:50 ` Matthias Brugger
2016-02-01 17:39 ` [PATCH 02/11] crypto: sunxi-ss: prevent compilation on 64-bit Andre Przywara
2016-02-02 3:16 ` Herbert Xu
2016-02-02 8:42 ` [linux-sunxi] " LABBE Corentin
2016-02-06 7:46 ` Herbert Xu
2016-02-01 17:39 ` [PATCH 03/11] drivers: rtc: allow compilation of sun6i RTC for all sunxi SoCs Andre Przywara
2016-02-02 9:44 ` Maxime Ripard
2016-02-04 22:58 ` Alexandre Belloni
2016-02-01 17:39 ` [PATCH 04/11] arm64: Introduce Allwinner SoC config option Andre Przywara
2016-02-02 15:20 ` Matthias Brugger
2016-02-02 15:30 ` Andre Przywara
2016-02-02 16:04 ` Arnd Bergmann
2016-02-01 17:39 ` [PATCH 05/11] drivers: pinctrl: add driver for Allwinner A64 SoC Andre Przywara
[not found] ` <20160201182754.GA14737@excalibur.cnev.de>
2016-02-01 22:49 ` André Przywara
2016-02-02 1:58 ` [linux-sunxi] " Siarhei Siamashka
2016-02-02 14:24 ` Andre Przywara
2016-02-02 17:37 ` Maxime Ripard
2016-02-02 10:00 ` Maxime Ripard
2016-02-02 10:09 ` Chen-Yu Tsai
2016-02-02 16:53 ` Andre Przywara
2016-02-04 16:51 ` Maxime Ripard
2016-02-08 15:54 ` Rob Herring
2016-02-08 15:58 ` Andre Przywara
2016-02-09 17:12 ` Maxime Ripard
[not found] ` <20160201184505.GB14737@excalibur.cnev.de>
2016-02-01 23:02 ` [linux-sunxi] " André Przywara
2016-02-01 17:39 ` [PATCH 06/11] clk: sunxi: add generic multi-parent bus clock gates driver Andre Przywara
2016-02-01 18:40 ` Jean-Francois Moine
2016-02-01 23:01 ` André Przywara
2016-02-01 17:39 ` [PATCH 07/11] clk: sunxi: add generic allwinner,sunxi name Andre Przywara
2016-02-08 15:57 ` Rob Herring
2016-02-08 16:06 ` Andre Przywara
2016-02-01 17:39 ` [PATCH 08/11] clk: sunxi: improve error reporting for the mux clock Andre Przywara
2016-02-02 18:02 ` Maxime Ripard
2016-02-02 18:05 ` Andre Przywara
2016-02-01 17:39 ` [PATCH 09/11] clk: sunxi: add critical-clocks property to mux clocks Andre Przywara
2016-02-01 17:39 ` [PATCH 10/11] arm64: dts: add Allwinner A64 SoC .dtsi Andre Przywara
[not found] ` <20160201190521.GC14737@excalibur.cnev.de>
2016-02-01 23:03 ` [linux-sunxi] " André Przywara
2016-02-02 16:24 ` Jens Kuske
2016-02-02 16:46 ` Andre Przywara
2016-02-02 17:40 ` Jens Kuske
2016-02-05 8:55 ` Chen-Yu Tsai
2016-02-05 8:50 ` Maxime Ripard
2016-02-08 9:42 ` Andre Przywara
2016-02-23 18:45 ` Maxime Ripard
2016-02-01 17:39 ` [PATCH 11/11] arm64: dts: add Pine64 support Andre Przywara
[not found] ` <20160201192257.GD14737@excalibur.cnev.de>
2016-02-01 23:04 ` [linux-sunxi] " André Przywara
2016-02-05 9:03 ` Maxime Ripard
2016-02-05 10:04 ` Andre Przywara
2016-02-08 0:55 ` [linux-sunxi] " Julian Calaby
2016-02-09 20:33 ` Danny Milosavljevic [this message]
2016-02-11 10:32 ` Maxime Ripard
2016-02-02 7:57 ` [PATCH 00/11] arm64: Introduce Allwinner A64 and " lists.nick.betteridge at gmail.com
2016-02-02 8:12 ` André Przywara
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