[PATCH 4.19 167/190] drm/panel: Add support for Armadeus ST0700 Adapt

Greg Kroah-Hartman
2019-09-13T13:20:27Z

[ Upstream commit c479450f61c7f1f248c9a54aedacd2a6ca521ff8 ]

This patch adds support for the Armadeus ST0700 Adapt. It comes with a
Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT and an adapter board so
that it can be connected on the TFT header of Armadeus Dev boards.

Cc: stable@vger.kernel.org # v4.19
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190507152713.27494-1-sebastien.szymanski@armadeus.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../display/panel/armadeus,st0700-adapt.txt | 9 ++++++
drivers/gpu/drm/panel/panel-simple.c | 29 +++++++++++++++++++
2 files changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt

diff --git a/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
new file mode 100644
index 0000000000000..a30d63db3c8f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
@@ -0,0 +1,9 @@
+Armadeus ST0700 Adapt. A Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT with
+an adapter board.
+
+Required properties:
+- compatible: "armadeus,st0700-adapt"
+- power-supply: see panel-common.txt
+
+Optional properties:
+- backlight: see panel-common.txt
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index b1d41c4921dd5..5fd94e2060297 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -436,6 +436,32 @@ static const struct panel_desc ampire_am800480r3tmqwa1h = {
.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};

+static const struct display_timing santek_st0700i5y_rbslw_f_timing = {
+ .pixelclock = { 26400000, 33300000, 46800000 },
+ .hactive = { 800, 800, 800 },
+ .hfront_porch = { 16, 210, 354 },
+ .hback_porch = { 45, 36, 6 },
+ .hsync_len = { 1, 10, 40 },
+ .vactive = { 480, 480, 480 },
+ .vfront_porch = { 7, 22, 147 },
+ .vback_porch = { 22, 13, 3 },
+ .vsync_len = { 1, 10, 20 },
+ .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
+ DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE
+};
+
+static const struct panel_desc armadeus_st0700_adapt = {
+ .timings = &santek_st0700i5y_rbslw_f_timing,
+ .num_timings = 1,
+ .bpc = 6,
+ .size = {
+ .width = 154,
+ .height = 86,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE,
+};
+
static const struct drm_display_mode auo_b101aw03_mode = {
.clock = 51450,
.hdisplay = 1024,
@@ -2330,6 +2356,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "ampire,am800480r3tmqwa1h",
.data = &ampire_am800480r3tmqwa1h,
+ }, {
+ .compatible = "armadeus,st0700-adapt",
+ .data = &armadeus_st0700_adapt,
}, {
.compatible = "auo,b101aw03",
.data = &auo_b101aw03,
--
2.20.1