From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Daniel Vetter <daniel.vetter@intel.com>,
David Airlie <airlied@linux.ie>, Chen-Yu Tsai <wens@csie.org>,
Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
jernej.skrabec@siol.net, plaes@plaes.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org, Rob Herring <robh+dt@kernel.org>,
thierry.reding@gmail.com,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
linux-arm-kernel@lists.infradead.org, icenowy@aosc.io
Subject: [PATCH v5 03/12] dt-bindings: display: sun4i-drm: Add LVDS properties
Date: Thu, 21 Dec 2017 12:02:29 +0100 [thread overview]
Message-ID: <ddbde28fe2e4f21412974e4c69fbfe1c5ff9383f.1513854122.git-series.maxime.ripard@free-electrons.com> (raw)
In-Reply-To: <cover.e5a47cc96ec5274dd932daa2bde47df073087da9.1513854122.git-series.maxime.ripard@free-electrons.com>
In-Reply-To: <cover.e5a47cc96ec5274dd932daa2bde47df073087da9.1513854122.git-series.maxime.ripard@free-electrons.com>
Some clocks and resets supposed to drive the LVDS logic in the display
engine have been overlooked when the driver was first introduced.
Add those additional resources to the binding, and we'll deal with the ABI
stability in the code.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 9 +++++++-
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
index 50cc72ee1168..1e21cfaac9e2 100644
--- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
@@ -121,6 +121,15 @@ Required properties:
On SoCs other than the A33 and V3s, there is one more clock required:
- 'tcon-ch1': The clock driving the TCON channel 1
+On SoCs that support LVDS (all SoCs but the A13, H3, H5 and V3s), you
+need one more reset line:
+ - 'lvds': The reset line driving the LVDS logic
+
+And on the SoCs newer than the A31 (sun6i and sun8i families), you
+need one more clock line:
+ - 'lvds-alt': An alternative clock source, separate from the TCON channel 0
+ clock, that can be used to drive the LVDS clock
+
DRC
---
--
git-series 0.9.1
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next prev parent reply other threads:[~2017-12-21 11:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 11:02 [PATCH v5 00/12] drm/sun4i: Add A83t LVDS support Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 01/12] dt-bindings: panel: lvds: Document power-supply property Maxime Ripard
2017-12-22 12:08 ` Laurent Pinchart
2018-01-04 19:44 ` Maxime Ripard
[not found] ` <20180104194436.reka6nw5hf32o4p3-ZC1Zs529Oq4@public.gmane.org>
2018-01-04 20:05 ` Laurent Pinchart
2017-12-21 11:02 ` [PATCH v5 02/12] drm/panel: lvds: Add support for the " Maxime Ripard
2017-12-22 12:09 ` Laurent Pinchart
2017-12-21 11:02 ` Maxime Ripard [this message]
[not found] ` <ddbde28fe2e4f21412974e4c69fbfe1c5ff9383f.1513854122.git-series.maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2017-12-30 11:45 ` [PATCH v5 03/12] dt-bindings: display: sun4i-drm: Add LVDS properties Jernej Škrabec
2018-01-04 19:03 ` Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 04/12] dt-bindings: display: sun4i-drm: Add A83T pipeline Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 05/12] drm/sun4i: Force the mixer rate at 150MHz Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 06/12] drm/sun4i: Create minimal multipliers and dividers Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 07/12] drm/sun4i: Add LVDS support Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 08/12] drm/sun4i: Add A83T support Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 09/12] ARM: dts: sun8i: a83t: Add display pipeline Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 10/12] ARM: dts: sun8i: a83t: Enable the PWM Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 11/12] ARM: dts: sun8i: a83t: Add LVDS pins group Maxime Ripard
2017-12-21 11:02 ` [PATCH v5 12/12] ARM: dts: sun8i: a711: Enable the LCD Maxime Ripard
2018-01-05 9:39 ` [PATCH v5 00/12] drm/sun4i: Add A83t LVDS support Maxime Ripard
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