OMAP: LCD panel support for the TI OMAP1610 Innovator board

- Add TFT LCD panel spport for TI OMAP1610 Innovator EVM.

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, 151 insertions, 0 deletions

diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index 3b835197b108..35354c2ec839 100644
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -20,6 +20,7 @@ objs-y$(CONFIG_MACH_OMAP_H3) += lcd_h3.o
 objs-y$(CONFIG_MACH_OMAP_PALMTE) += lcd_palmte.o
 objs-y$(CONFIG_MACH_OMAP_PALMTT) += lcd_palmtt.o
 objs-y$(CONFIG_MACH_OMAP_PALMZ71) += lcd_palmz71.o
+objs-$(CONFIG_ARCH_OMAP16XX)$(CONFIG_MACH_OMAP_INNOVATOR) += lcd_inn1610.o
 
 omapfb-objs := $(objs-yy)
 
diff --git a/drivers/video/omap/lcd_inn1610.c b/drivers/video/omap/lcd_inn1610.c
new file mode 100644
index 000000000000..95604ca43301
--- /dev/null
+++ b/drivers/video/omap/lcd_inn1610.c
@@ -0,0 +1,150 @@
+/*
+ * LCD panel support for the TI OMAP1610 Innovator 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/omapfb.h>
+
+#define MODULE_NAME     "omapfb-lcd_h3"
+
+#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args)
+
+static int innovator1610_panel_init(struct lcd_panel *panel,
+                                    struct omapfb_device *fbdev)
+{
+        int r = 0;
+
+        if (omap_request_gpio(14)) {
+                pr_err("can't request GPIO 14\n");
+                r = -1;
+                goto exit;
+        }
+        if (omap_request_gpio(15)) {
+                pr_err("can't request GPIO 15\n");
+                omap_free_gpio(14);
+                r = -1;
+                goto exit;
+        }
+        /* configure GPIO(14, 15) as outputs */
+        omap_set_gpio_direction(14, 0);
+        omap_set_gpio_direction(15, 0);
+exit:
+        return r;
+}
+
+static void innovator1610_panel_cleanup(struct lcd_panel *panel)
+{
+        omap_free_gpio(15);
+        omap_free_gpio(14);
+}
+
+static int innovator1610_panel_enable(struct lcd_panel *panel)
+{
+        /* set GPIO14 and GPIO15 high */
+        omap_set_gpio_dataout(14, 1);
+        omap_set_gpio_dataout(15, 1);
+        return 0;
+}
+
+static void innovator1610_panel_disable(struct lcd_panel *panel)
+{
+        /* set GPIO13, GPIO14 and GPIO15 low */
+        omap_set_gpio_dataout(14, 0);
+        omap_set_gpio_dataout(15, 0);
+}
+
+static unsigned long innovator1610_panel_get_caps(struct lcd_panel *panel)
+{
+        return 0;
+}
+
+struct lcd_panel innovator1610_panel = {
+        .name           = "inn1610",
+        .config         = OMAP_LCDC_PANEL_TFT,
+
+        .bpp            = 16,
+        .data_lines     = 16,
+        .x_res          = 320,
+        .y_res          = 240,
+        .pixel_clock    = 12500,
+        .hsw            = 40,
+        .hfp            = 40,
+        .hbp            = 72,
+        .vsw            = 1,
+        .vfp            = 1,
+        .vbp            = 0,
+        .pcd            = 12,
+
+        .init           = innovator1610_panel_init,
+        .cleanup        = innovator1610_panel_cleanup,
+        .enable         = innovator1610_panel_enable,
+        .disable        = innovator1610_panel_disable,
+        .get_caps       = innovator1610_panel_get_caps,
+};
+
+static int innovator1610_panel_probe(struct platform_device *pdev)
+{
+        omapfb_register_panel(&innovator1610_panel);
+        return 0;
+}
+
+static int innovator1610_panel_remove(struct platform_device *pdev)
+{
+        return 0;
+}
+
+static int innovator1610_panel_suspend(struct platform_device *pdev,
+                                       pm_message_t mesg)
+{
+        return 0;
+}
+
+static int innovator1610_panel_resume(struct platform_device *pdev)
+{
+        return 0;
+}
+
+struct platform_driver innovator1610_panel_driver = {
+        .probe          = innovator1610_panel_probe,
+        .remove         = innovator1610_panel_remove,
+        .suspend        = innovator1610_panel_suspend,
+        .resume         = innovator1610_panel_resume,
+        .driver         = {
+                .name   = "lcd_inn1610",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int innovator1610_panel_drv_init(void)
+{
+        return platform_driver_register(&innovator1610_panel_driver);
+}
+
+static void innovator1610_panel_drv_cleanup(void)
+{
+        platform_driver_unregister(&innovator1610_panel_driver);
+}
+
+module_init(innovator1610_panel_drv_init);
+module_exit(innovator1610_panel_drv_cleanup);
+