mirror of https://github.com/parazyd/arm-sdk.git
75 lines
3.2 KiB
Diff
75 lines
3.2 KiB
Diff
From patchwork Thu Feb 8 18:30:31 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [PATCHv2,
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4/8] dt-bindings: panel: common: document orientation property
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From: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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X-Patchwork-Id: 10207749
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Message-Id: <20180208183035.8461-5-sebastian.reichel@collabora.co.uk>
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To: Sebastian Reichel <sre@kernel.org>,
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Tomi Valkeinen <tomi.valkeinen@ti.com>, Tony Lindgren <tony@atomide.com>
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Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
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Hans de Goede <hdegoede@redhat.com>, Rob Herring <robh+dt@kernel.org>,
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Mark Rutland <mark.rutland@arm.com>,
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dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
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linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
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kernel@collabora.com, Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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Date: Thu, 8 Feb 2018 19:30:31 +0100
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Introduce new "orientation" property for describing in which
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orientation a panel has been mounted to the device. This can
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be used by the operating system to automatically rotate the
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display correctly.
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Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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---
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.../devicetree/bindings/display/panel/panel-common.txt | 12 ++++++++++++
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include/dt-bindings/display/common.h | 14 ++++++++++++++
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2 files changed, 26 insertions(+)
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create mode 100644 include/dt-bindings/display/common.h
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diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.txt b/Documentation/devicetree/bindings/display/panel/panel-common.txt
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index 557fa765adcb..c646b8908458 100644
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--- a/Documentation/devicetree/bindings/display/panel/panel-common.txt
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+++ b/Documentation/devicetree/bindings/display/panel/panel-common.txt
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@@ -18,6 +18,18 @@ Descriptive Properties
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physical area where images are displayed. These properties are expressed in
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millimeters and rounded to the closest unit.
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+- orientation: The orientation property specifies the panel orientation
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+ in relation to the device's casing. The following values are possible:
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+
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+ * 0 = The top side of the panel matches the top side of the device's
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+ casing.
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+ * 1 = The top side of the panel matches the bottom side of the device's
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+ casing. In other words the panel is mounted upside-down.
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+ * 2 = The left side of the panel matches the top side of the device's
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+ casing.
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+ * 3 = The right side of the panel matches the top side of the device's
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+ casing.
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+
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- label: The label property specifies a symbolic name for the panel as a
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string suitable for use by humans. It typically contains a name inscribed on
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the system (e.g. as an affixed label) or specified in the system's
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diff --git a/include/dt-bindings/display/common.h b/include/dt-bindings/display/common.h
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new file mode 100644
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index 000000000000..a864775445a0
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--- /dev/null
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+++ b/include/dt-bindings/display/common.h
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@@ -0,0 +1,14 @@
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+/* SPDX-License-Identifier: GPL-2.0 */
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+/*
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+ * This header provides common constants for displays
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+ */
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+
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+#ifndef _DT_BINDINGS_DISPLAY_COMMON_H
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+#define _DT_BINDINGS_DISPLAY_COMMON_H
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+
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+#define PANEL_ORIENTATION_NORMAL 0
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+#define PANEL_ORIENTATION_BOTTOM_UP 1
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+#define PANEL_ORIENTATION_LEFT_UP 2
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+#define PANEL_ORIENTATION_RIGHT_UP 3
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+
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+#endif
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