From: Steve Sakoman <steve@xxxxxxxxxxx>
Add LCD support for OMAP3 EVM
Signed-off-by: Steve Sakoman <steve@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-omap3evm.c | 15 +++
drivers/video/omap/Makefile | 1
drivers/video/omap/lcd_omap3evm.c | 167 +++++++++++++++++++++++++++++++++++
3 files changed, 183 insertions(+)
diff -uprN -X a/Documentation/dontdiff
a/arch/arm/mach-omap2/board-omap3evm.c
b/arch/arm/mach-omap2/board-omap3evm.c
--- a/arch/arm/mach-omap2/board-omap3evm.c 2008-04-28 11:11:51.000000000 -0700
+++ b/arch/arm/mach-omap2/board-omap3evm.c 2008-04-28 11:31:01.000000000 -0700
@@ -51,6 +51,15 @@ static struct omap_mmc_config omap3_evm_
},
};
+static struct platform_device omap3_evm_lcd_device = {
+ .name = "omap3evm_lcd",
+ .id = -1,
+};
+
+static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
static void __init omap3_evm_init_irq(void)
{
omap2_init_common_hw();
@@ -61,10 +70,16 @@ static void __init omap3_evm_init_irq(vo
static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
{ OMAP_TAG_UART, &omap3_evm_uart_config },
{ OMAP_TAG_MMC, &omap3_evm_mmc_config },
+ { OMAP_TAG_LCD, &omap3_evm_lcd_config },
+};
+
+static struct platform_device *omap3_evm_devices[] __initdata = {
+ &omap3_evm_lcd_device,
};
static void __init omap3_evm_init(void)
{
+ platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
omap_board_config = omap3_evm_config;
omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
omap_serial_init();
diff -uprN -X a/Documentation/dontdiff
a/drivers/video/omap/lcd_omap3evm.c
b/drivers/video/omap/lcd_omap3evm.c
--- a/drivers/video/omap/lcd_omap3evm.c 1969-12-31 16:00:00.000000000 -0800
+++ b/drivers/video/omap/lcd_omap3evm.c 2008-04-28 11:31:01.000000000 -0700
@@ -0,0 +1,167 @@
+/*
+ * LCD panel support for the TI OMAP3 EVM board
+ *
+ * Author: Steve Sakoman <steve@xxxxxxxxxxx>
+ *
+ * Derived from drivers/video/omap/lcd-apollon.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 153
+#define LCD_PANEL_LR 2
+#define LCD_PANEL_UD 3
+#define LCD_PANEL_INI 152
+#define LCD_PANEL_QVGA 154
+#define LCD_PANEL_RESB 155
+
+#define LCD_XRES 480
+#define LCD_YRES 640
+#define LCD_PIXCLOCK_MAX 41700 /* in pico seconds */
+#define LCD_PIXCLOCK_MIN 38000 /* in pico seconds */
+
+#define ENABLE_VDAC_DEDICATED 0x03
+#define ENABLE_VDAC_DEV_GRP 0x20
+#define ENABLE_VPLL2_DEDICATED 0x05
+#define ENABLE_VPLL2_DEV_GRP 0xE0
+
+static int omap3evm_panel_init(struct lcd_panel *panel,
+ struct omapfb_device *fbdev)
+{
+ omap_request_gpio(LCD_PANEL_LR);
+ omap_request_gpio(LCD_PANEL_UD);
+ omap_request_gpio(LCD_PANEL_INI);
+ omap_request_gpio(LCD_PANEL_RESB);
+ omap_request_gpio(LCD_PANEL_QVGA);
+
+ omap_set_gpio_direction(LCD_PANEL_LR, 0);
+ omap_set_gpio_direction(LCD_PANEL_UD, 0);
+ omap_set_gpio_direction(LCD_PANEL_INI, 0);
+ omap_set_gpio_direction(LCD_PANEL_RESB, 0);
+ omap_set_gpio_direction(LCD_PANEL_QVGA, 0);
+
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x7F, 0);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x7F, 1);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMB, 0x7F, 0);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMB, 0x7F, 1);
+
+ omap_set_gpio_dataout(LCD_PANEL_RESB, 1);
+ omap_set_gpio_dataout(LCD_PANEL_INI, 1);
+ omap_set_gpio_dataout(LCD_PANEL_QVGA, 0);
+ omap_set_gpio_dataout(LCD_PANEL_LR, 1);
+ omap_set_gpio_dataout(LCD_PANEL_UD, 1);
+
+ return 0;
+}
+
+static void omap3evm_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static int omap3evm_panel_enable(struct lcd_panel *panel)
+{
+ omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0);
+ return 0;
+}
+
+static void omap3evm_panel_disable(struct lcd_panel *panel)
+{
+ omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1);
+}
+
+static unsigned long omap3evm_panel_get_caps(struct lcd_panel *panel)
+{
+ return 0;
+}
+
+struct lcd_panel omap3evm_panel = {
+ .name = "omap3evm",
+ .config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
+ OMAP_LCDC_INV_HSYNC,
+
+ .bpp = 16,
+ .data_lines = 18,
+ .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 = omap3evm_panel_init,
+ .cleanup = omap3evm_panel_cleanup,
+ .enable = omap3evm_panel_enable,
+ .disable = omap3evm_panel_disable,
+ .get_caps = omap3evm_panel_get_caps,
+};
+
+static int omap3evm_panel_probe(struct platform_device *pdev)
+{
+ omapfb_register_panel(&omap3evm_panel);
+ return 0;
+}
+
+static int omap3evm_panel_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int omap3evm_panel_suspend(struct platform_device *pdev,
+ pm_message_t mesg)
+{
+ return 0;
+}
+
+static int omap3evm_panel_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+struct platform_driver omap3evm_panel_driver = {
+ .probe = omap3evm_panel_probe,
+ .remove = omap3evm_panel_remove,
+ .suspend = omap3evm_panel_suspend,
+ .resume = omap3evm_panel_resume,
+ .driver = {
+ .name = "omap3evm_lcd",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init omap3evm_panel_drv_init(void)
+{
+ return platform_driver_register(&omap3evm_panel_driver);
+}
+
+static void __exit omap3evm_panel_drv_exit(void)
+{
+ platform_driver_unregister(&omap3evm_panel_driver);
+}
+
+module_init(omap3evm_panel_drv_init);
+module_exit(omap3evm_panel_drv_exit);
diff -uprN -X a/Documentation/dontdiff a/drivers/video/omap/Makefile
b/drivers/video/omap/Makefile
--- a/drivers/video/omap/Makefile 2008-04-26 06:32:30.000000000 -0700
+++ b/drivers/video/omap/Makefile 2008-04-28 11:31:01.000000000 -0700
@@ -31,6 +31,7 @@ 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$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o
objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o
omapfb-objs := $(objs-yy)
--
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