From: Enric Balletbo i Serra <eballe...@iseebcn.com>

Add new Powertip PH480242T panel, a LCD 4.3inch (480x242) display
type with 24-bit RGB interface.

Signed-off-by: Enric Balletbo i Serra <eballe...@iseebcn.com>
---
 drivers/video/omap2/displays/Kconfig               |    7 +
 drivers/video/omap2/displays/Makefile              |    1 +
 .../omap2/displays/panel-powertip-ph480272t.c      |  155 ++++++++++++++++++++
 3 files changed, 163 insertions(+), 0 deletions(-)
 create mode 100644 drivers/video/omap2/displays/panel-powertip-ph480272t.c

diff --git a/drivers/video/omap2/displays/Kconfig 
b/drivers/video/omap2/displays/Kconfig
index 12327bb..c3aa478 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -44,4 +44,11 @@ config PANEL_ACX565AKM
        select BACKLIGHT_CLASS_DEVICE
        help
          This is the LCD panel used on Nokia N900
+
+config PANEL_POWERTIP_PH480272T
+       tristate "Powertip PH480272T LCD Panel"
+       depends on OMAP2_DSS
+       select BACKLIGHT_CLASS_DEVICE
+        help
+          LCD Panel used in IGEP boards.
 endmenu
diff --git a/drivers/video/omap2/displays/Makefile 
b/drivers/video/omap2/displays/Makefile
index aa38609..3967dbc 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
 obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o
 obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
 obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
+obj-$(CONFIG_PANEL_POWERTIP_PH480272T) += panel-powertip-ph480272t.o
diff --git a/drivers/video/omap2/displays/panel-powertip-ph480272t.c 
b/drivers/video/omap2/displays/panel-powertip-ph480272t.c
new file mode 100644
index 0000000..d303180
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-powertip-ph480272t.c
@@ -0,0 +1,155 @@
+/*
+ * LCD panel driver for Powertip PH480272T
+ *
+ * Copyright (C) 2010, ISEE 2007 SL
+ * Author: Enric Balletbo i Serra <eballe...@iseebcn.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 ph480272t_timings = {
+       .x_res          = 480,
+       .y_res          = 272,
+       .pixel_clock    = 9000,
+       .hsw            = 40,
+       .hfp            = 2,
+       .hbp            = 2,
+       .vsw            = 10,
+       .vfp            = 2,
+       .vbp            = 2,
+};
+
+static int ph480272t_power_on(struct omap_dss_device *dssdev)
+{
+       int r;
+
+       r = omapdss_dpi_display_enable(dssdev);
+       if (r)
+               goto err0;
+
+       /* wait couple of vsyncs until enabling the LCD */
+       msleep(50);
+
+       if (dssdev->platform_enable) {
+               r = dssdev->platform_enable(dssdev);
+               if (r)
+                       goto err1;
+       }
+
+       return 0;
+err1:
+       omapdss_dpi_display_disable(dssdev);
+err0:
+       return r;
+}
+
+static void ph480272t_power_off(struct omap_dss_device *dssdev)
+{
+       if (dssdev->platform_disable)
+               dssdev->platform_disable(dssdev);
+
+       /* wait at least 5 vsyncs after disabling the LCD */
+       msleep(100);
+
+       omapdss_dpi_display_disable(dssdev);
+}
+
+static int ph480272t_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 = ph480272t_timings;
+
+       return 0;
+}
+
+static void ph480272t_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int ph480272t_enable(struct omap_dss_device *dssdev)
+{
+       int r = 0;
+
+       r = ph480272t_power_on(dssdev);
+       if (r)
+               return r;
+
+       dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+       return 0;
+}
+
+static void ph480272t_disable(struct omap_dss_device *dssdev)
+{
+       ph480272t_power_off(dssdev);
+
+       dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int ph480272t_suspend(struct omap_dss_device *dssdev)
+{
+       ph480272t_power_off(dssdev);
+       dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+       return 0;
+}
+
+static int ph480272t_resume(struct omap_dss_device *dssdev)
+{
+       int r = 0;
+
+       r = ph480272t_power_on(dssdev);
+       if (r)
+               return r;
+
+       dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+       return 0;
+}
+
+static struct omap_dss_driver ph480272t_driver = {
+       .probe          = ph480272t_probe,
+       .remove         = ph480272t_remove,
+       .enable         = ph480272t_enable,
+       .disable        = ph480272t_disable,
+       .suspend        = ph480272t_suspend,
+       .resume         = ph480272t_resume,
+       .driver         = {
+               .name   = "ph480272t",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init ph480272t_init(void)
+{
+       return omap_dss_register_driver(&ph480272t_driver);
+}
+
+static void __exit ph480272t_exit(void)
+{
+       omap_dss_unregister_driver(&ph480272t_driver);
+}
+
+module_init(ph480272t_init);
+module_exit(ph480272t_exit);
+MODULE_LICENSE("GPL");
-- 
1.7.0.4

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