[PATCH 2/2] drm/panel: simple: Add support for Winstar WF35LTIACD

[Richard Genoud]

This adds support for the Winstar Display Co. WF35LTIACD 3.5" QVGA TFT
LCD panel, which can be supported by the simple panel driver.

Signed-off-by: Richard Genoud <richard.gen...@gmail.com>
---
 .../bindings/display/panel/winstar,wf35ltiacd      |  7 ++++++
 drivers/gpu/drm/panel/panel-simple.c               | 28 ++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd

diff --git a/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd 
b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
new file mode 100644
index 000000000000..68408adf239f
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
@@ -0,0 +1,7 @@
+Winstar Display Corporation 3.5" QVGA (320x240) TFT LCD panel
+
+Required properties:
+- compatible: should be "winstar,wf35ltiacd"
+
+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 06aaf79de8c8..5d45664c6c0e 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1713,6 +1713,31 @@ static const struct panel_desc urt_umsh_8596md_parallel 
= {
        .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
 };
 
+static const struct drm_display_mode winstar_wf35ltiacd_mode = {
+       .clock = 6410,
+       .hdisplay = 320,
+       .hsync_start = 320 + 20,
+       .hsync_end = 320 + 20 + 30,
+       .htotal = 320 + 20 + 30 + 38,
+       .vdisplay = 240,
+       .vsync_start = 240 + 4,
+       .vsync_end = 240 + 4 + 3,
+       .vtotal = 240 + 4 + 3 + 15,
+       .vrefresh = 60,
+       .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc winstar_wf35ltiacd = {
+       .modes = &winstar_wf35ltiacd_mode,
+       .num_modes = 1,
+       .bpc = 8,
+       .size = {
+               .width = 70,
+               .height = 53,
+       },
+       .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+};
+
 static const struct of_device_id platform_of_match[] = {
        {
                .compatible = "ampire,am800480r3tmqwa1h",
@@ -1892,6 +1917,9 @@ static const struct of_device_id platform_of_match[] = {
                .compatible = "urt,umsh-8596md-20t",
                .data = &urt_umsh_8596md_parallel,
        }, {
+               .compatible = "winstar,wf35ltiacd",
+               .data = &winstar_wf35ltiacd,
+       }, {
                /* sentinel */
        }
 };