OMAP: DSS2: Add Sharp LQ043T1DG01 panel driver

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

3 files changed, 127 insertions, 0 deletions

diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index b12a59c9c50a..4ce47ddffd3c 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -13,6 +13,12 @@ config PANEL_SHARP_LS037V7DW01
         help
           LCD Panel used in TI's SDP3430 and EVM boards
 
+config PANEL_SHARP_LQ043T1DG01
+        tristate "Sharp LQ043T1DG01 LCD Panel"
+        depends on OMAP2_DSS
+        help
+          LCD Panel used in TI's OMAP3517 EVM boards
+
 config PANEL_TAAL
         tristate "Taal DSI Panel"
         depends on OMAP2_DSS_DSI
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
index 955646440b3a..8f3d0adc7612 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
 obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
 
 obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
diff --git a/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c
new file mode 100644
index 000000000000..e75798edbb59
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c
@@ -0,0 +1,120 @@
+/*
+ * LCD panel driver for Sharp LQ043T1DG01
+ *
+ * Copyright (C) 2009 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings sharp_lq_timings = {
+        .x_res = 480,
+        .y_res = 272,
+
+        .pixel_clock    = 9000,
+
+        .hsw            = 42,
+        .hfp            = 3,
+        .hbp            = 2,
+
+        .vsw            = 11,
+        .vfp            = 3,
+        .vbp            = 2,
+};
+
+static int sharp_lq_panel_probe(struct omap_dss_device *dssdev)
+{
+
+        dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+                OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO;
+        dssdev->panel.acb = 0x0;
+        dssdev->panel.timings = sharp_lq_timings;
+
+        return 0;
+}
+
+static void sharp_lq_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int sharp_lq_panel_enable(struct omap_dss_device *dssdev)
+{
+        int r = 0;
+
+
+        /* wait couple of vsyncs until enabling the LCD */
+        msleep(50);
+
+        if (dssdev->platform_enable)
+                r = dssdev->platform_enable(dssdev);
+
+        return r;
+}
+
+static void sharp_lq_panel_disable(struct omap_dss_device *dssdev)
+{
+
+        if (dssdev->platform_disable)
+                dssdev->platform_disable(dssdev);
+
+        /* wait at least 5 vsyncs after disabling the LCD */
+
+        msleep(100);
+}
+
+static int sharp_lq_panel_suspend(struct omap_dss_device *dssdev)
+{
+        sharp_lq_panel_disable(dssdev);
+        return 0;
+}
+
+static int sharp_lq_panel_resume(struct omap_dss_device *dssdev)
+{
+        return sharp_lq_panel_enable(dssdev);
+}
+
+static struct omap_dss_driver sharp_lq_driver = {
+        .probe          = sharp_lq_panel_probe,
+        .remove         = sharp_lq_panel_remove,
+
+        .enable         = sharp_lq_panel_enable,
+        .disable        = sharp_lq_panel_disable,
+        .suspend        = sharp_lq_panel_suspend,
+        .resume         = sharp_lq_panel_resume,
+
+        .driver         = {
+                .name   = "sharp_lq_panel",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int __init sharp_lq_panel_drv_init(void)
+{
+        return omap_dss_register_driver(&sharp_lq_driver);
+}
+
+static void __exit sharp_lq_panel_drv_exit(void)
+{
+        omap_dss_unregister_driver(&sharp_lq_driver);
+}
+
+module_init(sharp_lq_panel_drv_init);
+module_exit(sharp_lq_panel_drv_exit);
+MODULE_LICENSE("GPL");