Add support for Three Five displays TFC S9700RTWV43TR-01B 800x480
panel with resistive touch found on TI's AM335X-EVM.
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
cc: Thierry Reding <thierry.reding@xxxxxxxxx>
---
Thanks Thierry, for reminding me about this!
Changes since v4:
- Add tfc to vendor-prefixes.txt
.../display/panel/tfc,s9700rtwv43tr-01b.txt | 10 +++++++++
.../devicetree/bindings/vendor-prefixes.txt | 1 +
drivers/gpu/drm/panel/panel-simple.c | 26 ++++++++++++++++++++++
3 files changed, 37 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/tfc,s9700rtwv43tr-01b.txt
diff --git a/Documentation/devicetree/bindings/display/panel/tfc,s9700rtwv43tr-01b.txt b/Documentation/devicetree/bindings/display/panel/tfc,s9700rtwv43tr-01b.txt
new file mode 100644
index 0000000..0b1cc71
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/tfc,s9700rtwv43tr-01b.txt
@@ -0,0 +1,10 @@
+TFC S9700RTWV43TR-01B 7" Three Five Corp 800x480 LCD panel with
+resistive touch
+
+The panel is found on TI AM335x-evm.
+
+Required properties:
+- compatible: should be "tfc,S9700RTWV43tr-01b"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 12e8b3e..4ec0d6b 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -356,6 +356,7 @@ technexion TechNexion
technologic Technologic Systems
tempo Tempo Semiconductor
terasic Terasic Inc.
+tfc Three Five Corp
thine THine Electronics, Inc.
ti Texas Instruments
tianma Tianma Micro-electronics Co., Ltd.
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index cbf1ab4..f2d96611 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1891,6 +1891,29 @@ static const struct panel_desc starry_kr122ea0sra = {
},
};
+static const struct drm_display_mode tfc_s9700rtwv43tr_01b_mode = {
+ .clock = 30000,
+ .hdisplay = 800,
+ .hsync_start = 800 + 39,
+ .hsync_end = 800 + 39 + 47,
+ .htotal = 800 + 39 + 47 + 39,
+ .vdisplay = 480,
+ .vsync_start = 480 + 13,
+ .vsync_end = 480 + 13 + 2,
+ .vtotal = 480 + 13 + 2 + 29,
+ .vrefresh = 62,
+};
+
+static const struct panel_desc tfc_s9700rtwv43tr_01b = {
+ .modes = &tfc_s9700rtwv43tr_01b_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 155,
+ .height = 90,
+ },
+};
+
static const struct display_timing tianma_tm070jdhg30_timing = {
.pixelclock = { 62600000, 68200000, 78100000 },
.hactive = { 1280, 1280, 1280 },
@@ -2251,6 +2274,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "starry,kr122ea0sra",
.data = &starry_kr122ea0sra,
}, {
+ .compatible = "tfc,s9700rtwv43tr-01b",
+ .data = &tfc_s9700rtwv43tr_01b,
+ }, {
.compatible = "tianma,tm070jdhg30",
.data = &tianma_tm070jdhg30,
}, {
--
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