OMAP: LCD panel support for the TI OMAP H3 board

- Adds support for TFT LCD panel on TI OMAP H3 EVM board.

Signed-off-by: Trilok Soni <soni.trilok@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 142 insertions, 0 deletions

diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index eb5536a5f8d6..fdcd91be918b 100644
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -16,6 +16,7 @@ objs-y$(CONFIG_FB_OMAP_LCDC_HWA742) += hwa742.o
 objs-y$(CONFIG_FB_OMAP_LCDC_BLIZZARD) += blizzard.o
 
 objs-y$(CONFIG_MACH_OMAP_H4) += lcd_h4.o
+objs-y$(CONFIG_MACH_OMAP_H3) += lcd_h3.o
 
 omapfb-objs := $(objs-yy)
 
diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c
new file mode 100644
index 000000000000..51807b4e26d1
--- /dev/null
+++ b/drivers/video/omap/lcd_h3.c
@@ -0,0 +1,141 @@
+/*
+ * LCD panel support for the TI OMAP H3 board
+ *
+ * Copyright (C) 2004 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/tps65010.h>
+#include <asm/arch/omapfb.h>
+
+#define MODULE_NAME     "omapfb-lcd_h3"
+
+#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args)
+
+static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
+{
+        return 0;
+}
+
+static void h3_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static int h3_panel_enable(struct lcd_panel *panel)
+{
+        int r = 0;
+
+        /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
+        r = tps65010_set_gpio_out_value(GPIO1, HIGH);
+        if (!r)
+                r = tps65010_set_gpio_out_value(GPIO2, HIGH);
+        if (r)
+                pr_err("Unable to turn on LCD panel\n");
+
+        return r;
+}
+
+static void h3_panel_disable(struct lcd_panel *panel)
+{
+        int r = 0;
+
+        /* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
+        r = tps65010_set_gpio_out_value(GPIO1, LOW);
+        if (!r)
+                tps65010_set_gpio_out_value(GPIO2, LOW);
+        if (r)
+                pr_err("Unable to turn off LCD panel\n");
+}
+
+static unsigned long h3_panel_get_caps(struct lcd_panel *panel)
+{
+        return 0;
+}
+
+struct lcd_panel h3_panel = {
+        .name           = "h3",
+        .config         = OMAP_LCDC_PANEL_TFT,
+
+        .data_lines     = 16,
+        .bpp            = 16,
+        .x_res          = 240,
+        .y_res          = 320,
+        .pixel_clock    = 12000,
+        .hsw            = 12,
+        .hfp            = 14,
+        .hbp            = 72 - 12,
+        .vsw            = 1,
+        .vfp            = 1,
+        .vbp            = 0,
+        .pcd            = 0,
+
+        .init           = h3_panel_init,
+        .cleanup        = h3_panel_cleanup,
+        .enable         = h3_panel_enable,
+        .disable        = h3_panel_disable,
+        .get_caps       = h3_panel_get_caps,
+};
+
+static int h3_panel_probe(struct platform_device *pdev)
+{
+        omapfb_register_panel(&h3_panel);
+        return 0;
+}
+
+static int h3_panel_remove(struct platform_device *pdev)
+{
+        return 0;
+}
+
+static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
+{
+        return 0;
+}
+
+static int h3_panel_resume(struct platform_device *pdev)
+{
+        return 0;
+}
+
+struct platform_driver h3_panel_driver = {
+        .probe          = h3_panel_probe,
+        .remove         = h3_panel_remove,
+        .suspend        = h3_panel_suspend,
+        .resume         = h3_panel_resume,
+        .driver         = {
+                .name   = "lcd_h3",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int h3_panel_drv_init(void)
+{
+        return platform_driver_register(&h3_panel_driver);
+}
+
+static void h3_panel_drv_cleanup(void)
+{
+        platform_driver_unregister(&h3_panel_driver);
+}
+
+module_init(h3_panel_drv_init);
+module_exit(h3_panel_drv_cleanup);
+