Separate out 3430 LCD panel support from 2430 file

Separate out 3430 LCD panel support from 2430 SDP.

Currently the support for the LCD on 3430SDP is added in the lcd_2430sdp.c
file. This patch separates it out to a new file.

Signed-off-by: Iqbal Shareef  <iqbal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index f6cd08b05bacedfc5417177a2b42b9222073f1d1..7a216cc4b87f928ffb6a62119624ac7701664522 100644 (file)
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -204,7 +204,7 @@ static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
 };
 
 static struct platform_device sdp3430_lcd_device = {
-       .name           = "sdp2430_lcd",
+       .name           = "sdp3430_lcd",
        .id             = -1,
 };
 

diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index fe7ee5dd097876a3dd38c7c95ce63557eb37c461..a72a2d9a9afd20a515dfb858a6cb829f01cb286a 100644 (file)
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -30,7 +30,7 @@ objs-y$(CONFIG_MACH_SX1) += lcd_sx1.o
 
 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_OMAP_3430SDP) += lcd_3430sdp.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

diff --git a/drivers/video/omap/lcd_3430sdp.c b/drivers/video/omap/lcd_3430sdp.c
new file mode 100644 (file)
index 0000000..20ac0e5
--- /dev/null
+++ b/drivers/video/omap/lcd_3430sdp.c
@@ -0,0 +1,162 @@
+/*
+ * LCD panel support for the TI 3430SDP board
+ *
+ * Copyright (C) 2008 Texas Instruments
+ * Author: Iqbal Shareef <iqbal@ti.com>
+ *
+ * Derived from drivers/video/omap/lcd_2430sdp.c
+ * Copyright (C) 2007 MontaVista
+ * Author: Hunyue Yau <hyau@mvista.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 <linux/i2c/twl4030.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/omapfb.h>
+
+#define SDP3430_LCD_PANEL_BACKLIGHT_GPIO       8
+#define SDP3430_LCD_PANEL_ENABLE_GPIO          5
+
+static unsigned backlight_gpio;
+static unsigned enable_gpio;
+
+#define LCD_PIXCLOCK_MAX                       167000
+#define ENABLE_VAUX2_DEDICATED                 0x03
+#define ENABLE_VAUX2_DEV_GRP                   0x20
+#define ENABLE_VAUX3_DEDICATED                 0x05
+#define ENABLE_VAUX3_DEV_GRP                   0xE0
+
+static int sdp3430_panel_init(struct lcd_panel *panel,
+                               struct omapfb_device *fbdev)
+{
+       enable_gpio    = SDP3430_LCD_PANEL_ENABLE_GPIO;
+       backlight_gpio = SDP3430_LCD_PANEL_BACKLIGHT_GPIO;
+
+       omap_request_gpio(enable_gpio);                 /* LCD panel */
+       omap_request_gpio(backlight_gpio);              /* LCD backlight */
+       omap_set_gpio_direction(enable_gpio, 0);        /* output */
+       omap_set_gpio_direction(backlight_gpio, 0);     /* output */
+
+       return 0;
+}
+
+static void sdp3430_panel_cleanup(struct lcd_panel *panel)
+{
+       omap_free_gpio(backlight_gpio);
+       omap_free_gpio(enable_gpio);
+}
+
+static int sdp3430_panel_enable(struct lcd_panel *panel)
+{
+       omap_set_gpio_dataout(enable_gpio, 1);
+       omap_set_gpio_dataout(backlight_gpio, 1);
+
+       if (0 != twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ENABLE_VAUX3_DEDICATED,
+                                       TWL4030_VAUX3_DEDICATED))
+               return -EIO;
+       if (0 != twl4030_i2c_write_u8(PM_RECEIVER, ENABLE_VAUX3_DEV_GRP,
+                                       TWL4030_VAUX3_DEV_GRP))
+               return -EIO;
+
+       return 0;
+}
+
+static void sdp3430_panel_disable(struct lcd_panel *panel)
+{
+       omap_set_gpio_dataout(enable_gpio, 0);
+       omap_set_gpio_dataout(backlight_gpio, 0);
+}
+
+static unsigned long sdp3430_panel_get_caps(struct lcd_panel *panel)
+{
+       return 0;
+}
+
+struct lcd_panel sdp3430_panel = {
+       .name           = "sdp3430",
+       .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
+                         OMAP_LCDC_INV_HSYNC,
+
+       .bpp            = 16,
+       .data_lines     = 16,
+       .x_res          = 240,
+       .y_res          = 320,
+       .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           = sdp3430_panel_init,
+       .cleanup        = sdp3430_panel_cleanup,
+       .enable         = sdp3430_panel_enable,
+       .disable        = sdp3430_panel_disable,
+       .get_caps       = sdp3430_panel_get_caps,
+};
+
+static int sdp3430_panel_probe(struct platform_device *pdev)
+{
+       omapfb_register_panel(&sdp3430_panel);
+       return 0;
+}
+
+static int sdp3430_panel_remove(struct platform_device *pdev)
+{
+       return 0;
+}
+
+static int sdp3430_panel_suspend(struct platform_device *pdev,
+                                       pm_message_t mesg)
+{
+       return 0;
+}
+
+static int sdp3430_panel_resume(struct platform_device *pdev)
+{
+       return 0;
+}
+
+struct platform_driver sdp3430_panel_driver = {
+       .probe          = sdp3430_panel_probe,
+       .remove         = sdp3430_panel_remove,
+       .suspend        = sdp3430_panel_suspend,
+       .resume         = sdp3430_panel_resume,
+       .driver         = {
+               .name           = "sdp3430_lcd",
+               .owner          = THIS_MODULE,
+       },
+};
+
+static int __init sdp3430_panel_drv_init(void)
+{
+       return platform_driver_register(&sdp3430_panel_driver);
+}
+
+static void __exit sdp3430_panel_drv_exit(void)
+{
+       platform_driver_unregister(&sdp3430_panel_driver);
+}
+
+module_init(sdp3430_panel_drv_init);
+module_exit(sdp3430_panel_drv_exit);
+
+MODULE_ALIAS("platform:sdp3430_lcd");