linux-kernel - [PATCH 1/2] drm/panel: Add Starry KR070PE2T

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Message-Id: <20200310102725.14591-2-dev@pascalroeleven.nl>
Date:   Tue, 10 Mar 2020 11:27:23 +0100
From:   Pascal Roeleven <dev@...calroeleven.nl>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     linux-sunxi@...glegroups.com,
        Pascal Roeleven <dev@...calroeleven.nl>
Subject: [PATCH 1/2] drm/panel: Add Starry KR070PE2T

The KR070PE2T is a 7" panel with a resolution of 800x480.

KR070PE2T is the marking present on the ribbon cable. As this panel is
probably available under different brands, this marking will catch
most devices.

Signed-off-by: Pascal Roeleven <dev@...calroeleven.nl>
---
 .../display/panel/starry,kr070pe2t.txt        |  7 +++++
 drivers/gpu/drm/panel/panel-simple.c          | 26 +++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/starry,kr070pe2t.txt

diff --git a/Documentation/devicetree/bindings/display/panel/starry,kr070pe2t.txt b/Documentation/devicetree/bindings/display/panel/starry,kr070pe2t.txt
new file mode 100644
index 000000000..699ad5eb2
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/starry,kr070pe2t.txt
@@ -0,0 +1,7 @@
+Starry 7" (800x480 pixels) LCD panel
+
+Required properties:
+- compatible: should be "starry,kr070pe2t"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index e14c14ac6..027a2612b 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2842,6 +2842,29 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
 	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
+static const struct drm_display_mode starry_kr070pe2t_mode = {
+	.clock = 33000,
+	.hdisplay = 800,
+	.hsync_start = 800 + 209,
+	.hsync_end = 800 + 209 + 1,
+	.htotal = 800 + 209 + 1 + 45,
+	.vdisplay = 480,
+	.vsync_start = 480 + 22,
+	.vsync_end = 480 + 22 + 1,
+	.vtotal = 480 + 22 + 1 + 22,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc starry_kr070pe2t = {
+	.modes = &starry_kr070pe2t_mode,
+	.num_modes = 1,
+	.bpc = 8,
+	.size = {
+		.width = 152,
+		.height = 86,
+	},
+};
+
 static const struct drm_display_mode starry_kr122ea0sra_mode = {
 	.clock = 147000,
 	.hdisplay = 1920,
@@ -3474,6 +3497,9 @@ static const struct of_device_id platform_of_match[] = {
 	}, {
 		.compatible = "shelly,sca07010-bfn-lnn",
 		.data = &shelly_sca07010_bfn_lnn,
+	}, {
+		.compatible = "starry,kr070pe2t",
+		.data = &starry_kr070pe2t,
 	}, {
 		.compatible = "starry,kr122ea0sra",
 		.data = &starry_kr122ea0sra,
-- 
2.20.1