ARM: OMAP: This patch adds the driver to turn on the TFP410 framer to get DVI output...

The default resolution is 1024x768@24bit

This version addresses the comments from Felipe Balbi adn Arun Edarath

Signed-off-by: Koen Kooi <koen@openembedded.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 0c0cbfc..c992cc7 100644 (file)
--- 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 (file)
--- 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 (file)
index 0000000..69d4e06
--- /dev/null
+++ b/drivers/video/omap/lcd_omap3beagle.c
@@ -0,0 +1,133 @@
+/*
+ * 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           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,
+
+       .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);