From: Iqbal Shareef <iqbal@xxxxxx>
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@xxxxxx>
---
arch/arm/mach-omap2/board-3430sdp.c | 2 +-
drivers/video/omap/Makefile | 2 +-
drivers/video/omap/lcd_3430sdp.c | 162 +++++++++++++++++++++++++++++++++++
3 files changed, 164 insertions(+), 2 deletions(-)
create mode 100644 drivers/video/omap/lcd_3430sdp.c
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index f6cd08b..7a216cc 100644
--- 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 fe7ee5d..a72a2d9 100644
--- 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
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@xxxxxx>
+ *
+ * Derived from drivers/video/omap/lcd_2430sdp.c
+ * Copyright (C) 2007 MontaVista
+ * Author: Hunyue Yau <hyau@xxxxxxxxxx>
+ *
+ * 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");
--
1.5.3.2
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