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From 75b8dbeed8f53ffb7edc58b2393084fe2346477e Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@openembedded.org>
Date: Fri, 9 May 2008 20:54:00 +0200
Subject: [PATCH] omap3beagle: add driver to turn on the TFP410 framer to get DVI output
Signed-off-by: Koen Kooi <koen@openembedded.org>
---
arch/arm/mach-omap2/board-omap3beagle.c | 11 +++
drivers/video/omap/Makefile | 1 +
drivers/video/omap/lcd_omap3beagle.c | 135 +++++++++++++++++++++++++++++++
3 files changed, 147 insertions(+), 0 deletions(-)
create mode 100644 drivers/video/omap/lcd_omap3beagle.c
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 0c0cbfc..c992cc7 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -63,12 +63,23 @@ static struct platform_device omap3_beagle_twl4030rtc_device = {
.id = -1,
};
+static struct platform_device omap3_beagle_lcd_device = {
+ .name = "omap3beagle_lcd",
+ .id = -1,
+};
+
+static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
{ OMAP_TAG_UART, &omap3_beagle_uart_config },
{ OMAP_TAG_MMC, &omap3beagle_mmc_config },
+ { OMAP_TAG_LCD, &omap3_beagle_lcd_config },
};
static struct platform_device *omap3_beagle_devices[] __initdata = {
+ &omap3_beagle_lcd_device,
#ifdef CONFIG_RTC_DRV_TWL4030
&omap3_beagle_twl4030rtc_device,
#endif
diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index cad6a68..fe7ee5d 100644
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -32,6 +32,7 @@ objs-y$(CONFIG_MACH_OMAP_APOLLON) += lcd_apollon.o
objs-y$(CONFIG_MACH_OMAP_2430SDP) += lcd_2430sdp.o
objs-y$(CONFIG_MACH_OMAP_3430SDP) += lcd_2430sdp.o
objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o
+objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o
objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o
omapfb-objs := $(objs-yy)
diff --git a/drivers/video/omap/lcd_omap3beagle.c b/drivers/video/omap/lcd_omap3beagle.c
new file mode 100644
index 0000000..f5b7466
--- /dev/null
+++ b/drivers/video/omap/lcd_omap3beagle.c
@@ -0,0 +1,135 @@
+/*
+ * LCD panel support for the TI OMAP3 Beagle board
+ *
+ * Author: Koen Kooi <koen@openembedded.org>
+ *
+ * Derived from drivers/video/omap/lcd-omap3evm.c
+ *
+ * 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 <linux/i2c/twl4030.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/omapfb.h>
+#include <asm/mach-types.h>
+
+#define LCD_PANEL_ENABLE_GPIO 170
+
+#define LCD_XRES 1024
+#define LCD_YRES 768
+#define LCD_PIXCLOCK_MAX 64000 /* in kHz */
+#define LCD_PIXCLOCK_MIN 64000 /* in kHz */
+
+static int omap3beagle_panel_init(struct lcd_panel *panel,
+ struct omapfb_device *fbdev)
+{
+ omap_request_gpio(LCD_PANEL_ENABLE_GPIO);
+
+ return 0;
+}
+
+static void omap3beagle_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static int omap3beagle_panel_enable(struct lcd_panel *panel)
+{
+ omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1);
+ return 0;
+}
+
+static void omap3beagle_panel_disable(struct lcd_panel *panel)
+{
+ omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0);
+}
+
+static unsigned long omap3beagle_panel_get_caps(struct lcd_panel *panel)
+{
+ return 0;
+}
+
+struct lcd_panel omap3beagle_panel = {
+ .name = "omap3beagle",
+ .config = OMAP_LCDC_PANEL_TFT,
+
+ .bpp = 24,
+ .data_lines = 24,
+ .x_res = LCD_XRES,
+ .y_res = LCD_YRES,
+ .hsw = 3, /* hsync_len (4) - 1 */
+ .hfp = 3, /* right_margin (4) - 1 */
+ .hbp = 39, /* left_margin (40) - 1 */
+ .vsw = 1, /* vsync_len (2) - 1 */
+ .vfp = 2, /* lower_margin */
+ .vbp = 7, /* upper_margin (8) - 1 */
+
+ .pixel_clock = LCD_PIXCLOCK_MAX,
+
+ .init = omap3beagle_panel_init,
+ .cleanup = omap3beagle_panel_cleanup,
+ .enable = omap3beagle_panel_enable,
+ .disable = omap3beagle_panel_disable,
+ .get_caps = omap3beagle_panel_get_caps,
+};
+
+static int omap3beagle_panel_probe(struct platform_device *pdev)
+{
+ omapfb_register_panel(&omap3beagle_panel);
+ return 0;
+}
+
+static int omap3beagle_panel_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int omap3beagle_panel_suspend(struct platform_device *pdev,
+ pm_message_t mesg)
+{
+ return 0;
+}
+
+static int omap3beagle_panel_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+struct platform_driver omap3beagle_panel_driver = {
+ .probe = omap3beagle_panel_probe,
+ .remove = omap3beagle_panel_remove,
+ .suspend = omap3beagle_panel_suspend,
+ .resume = omap3beagle_panel_resume,
+ .driver = {
+ .name = "omap3beagle_lcd",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init omap3beagle_panel_drv_init(void)
+{
+ return platform_driver_register(&omap3beagle_panel_driver);
+}
+
+static void __exit omap3beagle_panel_drv_exit(void)
+{
+ platform_driver_unregister(&omap3beagle_panel_driver);
+}
+
+module_init(omap3beagle_panel_drv_init);
+module_exit(omap3beagle_panel_drv_exit);
--
1.5.4.3
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