OMAP: 2420SDP: Port the display driver to new DSS2
authorTomi Valkeinen <tomi.valkeinen@ti.com>
Tue, 19 Apr 2011 16:23:05 +0000 (19:23 +0300)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Fri, 30 Sep 2011 13:21:04 +0000 (16:21 +0300)
Port the old omapfb panel driver to DSS2. This patch changes the board
file only, the driver is ported in separate patch.

Cc: Hunyue Yau <hyau@mvista.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
arch/arm/mach-omap2/board-2430sdp.c

index 2028464..6ab6350 100644 (file)
@@ -39,6 +39,9 @@
 #include <plat/usb.h>
 #include <plat/gpmc-smc91x.h>
 
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
+
 #include "mux.h"
 #include "hsmmc.h"
 #include "common-board-devices.h"
@@ -99,20 +102,72 @@ static struct platform_device sdp2430_flash_device = {
        .resource       = &sdp2430_flash_resource,
 };
 
-static struct platform_device sdp2430_lcd_device = {
-       .name           = "sdp2430_lcd",
-       .id             = -1,
-};
-
 static struct platform_device *sdp2430_devices[] __initdata = {
        &sdp2430_flash_device,
+};
+
+/* LCD */
+#define SDP2430_LCD_PANEL_BACKLIGHT_GPIO       91
+#define SDP2430_LCD_PANEL_ENABLE_GPIO          154
+
+static int sdp2430_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+       gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 1);
+       gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 1);
+
+       return 0;
+}
+
+static void sdp2430_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+       gpio_direction_output(SDP2430_LCD_PANEL_ENABLE_GPIO, 0);
+       gpio_direction_output(SDP2430_LCD_PANEL_BACKLIGHT_GPIO, 0);
+}
+
+static struct panel_generic_dpi_data sdp2430_panel_data = {
+       .name                   = "nec_nl2432dr22-11b",
+       .platform_enable        = sdp2430_panel_enable_lcd,
+       .platform_disable       = sdp2430_panel_disable_lcd,
+};
+
+static struct omap_dss_device sdp2430_lcd_device = {
+       .name                   = "lcd",
+       .driver_name            = "generic_dpi_panel",
+       .type                   = OMAP_DISPLAY_TYPE_DPI,
+       .phy.dpi.data_lines     = 16,
+       .data                   = &sdp2430_panel_data,
+};
+
+static struct omap_dss_device *sdp2430_dss_devices[] = {
        &sdp2430_lcd_device,
 };
 
-static struct omap_lcd_config sdp2430_lcd_config __initdata = {
-       .ctrl_name      = "internal",
+static struct omap_dss_board_info sdp2430_dss_data = {
+       .num_devices    = ARRAY_SIZE(sdp2430_dss_devices),
+       .devices        = sdp2430_dss_devices,
+       .default_device = &sdp2430_lcd_device,
 };
 
+static void __init sdp2430_display_init(void)
+{
+       int r;
+
+       static struct gpio gpios[] __initdata = {
+               { SDP2430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
+                       "LCD reset" },
+               { SDP2430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW,
+                       "LCD Backlight" },
+       };
+
+       r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
+       if (r) {
+               pr_err("Cannot request LCD GPIOs, error %d\n", r);
+               return;
+       }
+
+       omap_display_init(&sdp2430_dss_data);
+}
+
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
 
 static struct omap_smc91x_platform_data board_smc91x_data = {
@@ -137,10 +192,6 @@ static inline void board_smc91x_init(void)
 
 #endif
 
-static struct omap_board_config_kernel sdp2430_config[] __initdata = {
-       {OMAP_TAG_LCD, &sdp2430_lcd_config},
-};
-
 static void __init omap_2430sdp_init_early(void)
 {
        omap2_init_common_infrastructure();
@@ -228,9 +279,6 @@ static void __init omap_2430sdp_init(void)
 {
        omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
 
-       omap_board_config = sdp2430_config;
-       omap_board_config_size = ARRAY_SIZE(sdp2430_config);
-
        omap2430_i2c_init();
 
        platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
@@ -246,6 +294,8 @@ static void __init omap_2430sdp_init(void)
        /* Turn off secondary LCD backlight */
        gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
                         "Secondary LCD backlight");
+
+       sdp2430_display_init();
 }
 
 static void __init omap_2430sdp_map_io(void)