The change adds support for Sharp LQ035Q7DB03 3.5" QVGA TFT panel.
Note that this aged panel is already found in the kernel sources,
for instance in board mach files mach-mx21ads.c, mach-mx27ads.c,
mach-pcm043.c, lpd270.c and imx27-phytec-phycore-rdk.dts.
Signed-off-by: Vladimir Zapolskiy <v...@mleia.com>
---
Changes from v1 to v2:
* added description of power-supply, enable-gpios and backlight properties
.../bindings/display/panel/sharp,lq035q7db03.txt | 12 ++++++++++
drivers/gpu/drm/panel/panel-simple.c | 27 ++++++++++++++++++++++
2 files changed, 39 insertions(+)
create mode 100644
Documentation/devicetree/bindings/display/panel/sharp,lq035q7db03.txt
diff --git
a/Documentation/devicetree/bindings/display/panel/sharp,lq035q7db03.txt
b/Documentation/devicetree/bindings/display/panel/sharp,lq035q7db03.txt
new file mode 100644
index 0000000..0753f69
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sharp,lq035q7db03.txt
@@ -0,0 +1,12 @@
+Sharp LQ035Q7DB03 3.5" QVGA TFT LCD panel
+
+Required properties:
+- compatible: should be "sharp,lq035q7db03"
+- power-supply: phandle of the regulator that provides the supply voltage
+
+Optional properties:
+- enable-gpios: GPIO pin to enable or disable the panel
+- backlight: phandle of the backlight device attached to the panel
+
+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 cbf1ab4..8970261 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1764,6 +1764,30 @@ static const struct panel_desc samsung_ltn140at29_301 = {
},
};
+static const struct drm_display_mode sharp_lq035q7db03_mode = {
+ .clock = 5500,
+ .hdisplay = 240,
+ .hsync_start = 240 + 16,
+ .hsync_end = 240 + 16 + 7,
+ .htotal = 240 + 16 + 7 + 5,
+ .vdisplay = 320,
+ .vsync_start = 320 + 9,
+ .vsync_end = 320 + 9 + 1,
+ .vtotal = 320 + 9 + 1 + 7,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc sharp_lq035q7db03 = {
+ .modes = &sharp_lq035q7db03_mode,
+ .num_modes = 1,
+ .bpc = 6,
+ .size = {
+ .width = 54,
+ .height = 72,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+};
+
static const struct display_timing sharp_lq101k1ly04_timing = {
.pixelclock = { 60000000, 65000000, 80000000 },
.hactive = { 1280, 1280, 1280 },
@@ -2236,6 +2260,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "samsung,ltn140at29-301",
.data = &samsung_ltn140at29_301,
}, {
+ .compatible = "sharp,lq035q7db03",
+ .data = &sharp_lq035q7db03,
+ }, {
.compatible = "sharp,lq101k1ly04",
.data = &sharp_lq101k1ly04,
}, {
--
2.10.2
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