2016-12-02 10:50:26 +00:00
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From dd5315cfa3267320577c92d0e6115345677f931f Mon Sep 17 00:00:00 2001
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2016-06-08 09:59:37 +00:00
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From: Eric Anholt <eric@anholt.net>
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Date: Thu, 24 Mar 2016 17:23:48 -0700
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2016-09-10 12:54:26 +00:00
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Subject: [PATCH] drm/panel: simple: Add the 7" DPI panel from Adafruit
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2016-06-08 09:59:37 +00:00
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This is a basic TFT panel with a 40-pin FPC connector on it. The
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specification doesn't define timings, but the Adafruit instructions
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were setting up 800x480 CVT.
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v2: Add .bus_format and vsync/hsync flags.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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Acked-by: Rob Herring <robh@kernel.org>
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[treding@nvidia.com: keep entries properly sorted]
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Signed-off-by: Thierry Reding <treding@nvidia.com>
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(cherry picked from commit 8070fdbd024727c752f815b18e5339c681a01bbe)
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---
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.../bindings/display/panel/ontat,yx700wv03.txt | 7 ++++
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drivers/gpu/drm/panel/panel-simple.c | 37 ++++++++++++++++++++++
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2 files changed, 44 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/display/panel/ontat,yx700wv03.txt
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@@ -0,0 +1,7 @@
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+On Tat Industrial Company 7" DPI TFT panel.
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+
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+Required properties:
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+- compatible: should be "ontat,yx700wv03"
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+
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+This binding is compatible with the simple-panel binding, which is specified
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+in simple-panel.txt in this directory.
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--- a/drivers/gpu/drm/panel/panel-simple.c
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+++ b/drivers/gpu/drm/panel/panel-simple.c
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@@ -1003,6 +1003,40 @@ static const struct panel_desc okaya_rs8
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.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
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};
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+/*
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+ * 800x480 CVT. The panel appears to be quite accepting, at least as far as
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+ * pixel clocks, but this is the timing that was being used in the Adafruit
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+ * installation instructions.
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+ */
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+static const struct drm_display_mode ontat_yx700wv03_mode = {
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+ .clock = 29500,
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+ .hdisplay = 800,
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+ .hsync_start = 824,
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+ .hsync_end = 896,
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+ .htotal = 992,
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+ .vdisplay = 480,
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+ .vsync_start = 483,
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+ .vsync_end = 493,
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+ .vtotal = 500,
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+ .vrefresh = 60,
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+ .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
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+};
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+
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+/*
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+ * Specification at:
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+ * https://www.adafruit.com/images/product-files/2406/c3163.pdf
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+ */
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+static const struct panel_desc ontat_yx700wv03 = {
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+ .modes = &ontat_yx700wv03_mode,
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+ .num_modes = 1,
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+ .bpc = 8,
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+ .size = {
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+ .width = 154,
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+ .height = 83,
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+ },
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+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
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+};
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+
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static const struct drm_display_mode ortustech_com43h4m85ulc_mode = {
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.clock = 25000,
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.hdisplay = 480,
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@@ -1179,6 +1213,9 @@ static const struct of_device_id platfor
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.compatible = "okaya,rs800480t-7x0gp",
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.data = &okaya_rs800480t_7x0gp,
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}, {
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+ .compatible = "ontat,yx700wv03",
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+ .data = &ontat_yx700wv03,
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+ }, {
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.compatible = "ortustech,com43h4m85ulc",
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.data = &ortustech_com43h4m85ulc,
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}, {
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