OMAP: SDP: Enable DSS2 for OMAP3 SDP board

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>

1 files changed, 151 insertions, 16 deletions

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 491364e44c7d..5bda9fdbee9e 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -37,6 +37,7 @@
 #include <plat/common.h>
 #include <plat/dma.h>
 #include <plat/gpmc.h>
+#include <plat/display.h>
 
 #include <plat/control.h>
 #include <plat/gpmc-smc91x.h>
@@ -152,31 +153,152 @@ static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
         },
 };
 
-static struct platform_device sdp3430_lcd_device = {
-        .name           = "sdp2430_lcd",
-        .id             = -1,
+
+#define SDP3430_LCD_PANEL_BACKLIGHT_GPIO        8
+#define SDP3430_LCD_PANEL_ENABLE_GPIO           5
+
+static unsigned backlight_gpio;
+static unsigned enable_gpio;
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init sdp3430_display_init(void)
+{
+        int r;
+
+        enable_gpio    = SDP3430_LCD_PANEL_ENABLE_GPIO;
+        backlight_gpio = SDP3430_LCD_PANEL_BACKLIGHT_GPIO;
+
+        r = gpio_request(enable_gpio, "LCD reset");
+        if (r) {
+                printk(KERN_ERR "failed to get LCD reset GPIO\n");
+                goto err0;
+        }
+
+        r = gpio_request(backlight_gpio, "LCD Backlight");
+        if (r) {
+                printk(KERN_ERR "failed to get LCD backlight GPIO\n");
+                goto err1;
+        }
+
+        gpio_direction_output(enable_gpio, 0);
+        gpio_direction_output(backlight_gpio, 0);
+
+        return;
+err1:
+        gpio_free(enable_gpio);
+err0:
+        return;
+}
+
+static int sdp3430_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+        if (dvi_enabled) {
+                printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+                return -EINVAL;
+        }
+
+        gpio_direction_output(enable_gpio, 1);
+        gpio_direction_output(backlight_gpio, 1);
+
+        lcd_enabled = 1;
+
+        return 0;
+}
+
+static void sdp3430_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+        lcd_enabled = 0;
+
+        gpio_direction_output(enable_gpio, 0);
+        gpio_direction_output(backlight_gpio, 0);
+}
+
+static int sdp3430_panel_enable_dvi(struct omap_dss_device *dssdev)
+{
+        if (lcd_enabled) {
+                printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+                return -EINVAL;
+        }
+
+        dvi_enabled = 1;
+
+        return 0;
+}
+
+static void sdp3430_panel_disable_dvi(struct omap_dss_device *dssdev)
+{
+        dvi_enabled = 0;
+}
+
+static int sdp3430_panel_enable_tv(struct omap_dss_device *dssdev)
+{
+        return 0;
+}
+
+static void sdp3430_panel_disable_tv(struct omap_dss_device *dssdev)
+{
+}
+
+
+static struct omap_dss_device sdp3430_lcd_device = {
+        .name                   = "lcd",
+        .driver_name            = "sharp_ls_panel",
+        .type                   = OMAP_DISPLAY_TYPE_DPI,
+        .phy.dpi.data_lines     = 16,
+        .platform_enable        = sdp3430_panel_enable_lcd,
+        .platform_disable       = sdp3430_panel_disable_lcd,
 };
 
-static struct regulator_consumer_supply sdp3430_vdac_supply = {
-        .supply         = "vdac",
-        .dev            = &sdp3430_lcd_device.dev,
+static struct omap_dss_device sdp3430_dvi_device = {
+        .name                   = "dvi",
+        .driver_name            = "generic_panel",
+        .type                   = OMAP_DISPLAY_TYPE_DPI,
+        .phy.dpi.data_lines     = 24,
+        .platform_enable        = sdp3430_panel_enable_dvi,
+        .platform_disable       = sdp3430_panel_disable_dvi,
 };
 
-static struct regulator_consumer_supply sdp3430_vdvi_supply = {
-        .supply         = "vdvi",
-        .dev            = &sdp3430_lcd_device.dev,
+static struct omap_dss_device sdp3430_tv_device = {
+        .name                   = "tv",
+        .driver_name            = "venc",
+        .type                   = OMAP_DISPLAY_TYPE_VENC,
+        .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
+        .platform_enable        = sdp3430_panel_enable_tv,
+        .platform_disable       = sdp3430_panel_disable_tv,
 };
 
-static struct platform_device *sdp3430_devices[] __initdata = {
+
+static struct omap_dss_device *sdp3430_dss_devices[] = {
         &sdp3430_lcd_device,
+        &sdp3430_dvi_device,
+        &sdp3430_tv_device,
 };
 
-static struct omap_lcd_config sdp3430_lcd_config __initdata = {
-        .ctrl_name      = "internal",
+static struct omap_dss_board_info sdp3430_dss_data = {
+        .num_devices    = ARRAY_SIZE(sdp3430_dss_devices),
+        .devices        = sdp3430_dss_devices,
+        .default_device = &sdp3430_lcd_device,
+};
+
+static struct platform_device sdp3430_dss_device = {
+        .name           = "omapdss",
+        .id             = -1,
+        .dev            = {
+                .platform_data = &sdp3430_dss_data,
+        },
+};
+
+static struct regulator_consumer_supply sdp3430_vdda_dac_supply = {
+        .supply         = "vdda_dac",
+        .dev            = &sdp3430_dss_device.dev,
+};
+
+static struct platform_device *sdp3430_devices[] __initdata = {
+        &sdp3430_dss_device,
 };
 
 static struct omap_board_config_kernel sdp3430_config[] __initdata = {
-        { OMAP_TAG_LCD,         &sdp3430_lcd_config },
 };
 
 static void __init omap_3430sdp_init_irq(void)
@@ -392,22 +514,34 @@ static struct regulator_init_data sdp3430_vdac = {
                                         | REGULATOR_CHANGE_STATUS,
         },
         .num_consumer_supplies  = 1,
-        .consumer_supplies      = &sdp3430_vdac_supply,
+        .consumer_supplies      = &sdp3430_vdda_dac_supply,
 };
 
 /* VPLL2 for digital video outputs */
+static struct regulator_consumer_supply sdp3430_vpll2_supplies[] = {
+        {
+                .supply         = "vdvi",
+                .dev            = &sdp3430_lcd_device.dev,
+        },
+        {
+                .supply         = "vdds_dsi",
+                .dev            = &sdp3430_dss_device.dev,
+        }
+};
+
 static struct regulator_init_data sdp3430_vpll2 = {
         .constraints = {
                 .name                   = "VDVI",
                 .min_uV                 = 1800000,
                 .max_uV                 = 1800000,
+                .apply_uV               = true,
                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
                                         | REGULATOR_MODE_STANDBY,
                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                         | REGULATOR_CHANGE_STATUS,
         },
-        .num_consumer_supplies  = 1,
-        .consumer_supplies      = &sdp3430_vdvi_supply,
+        .num_consumer_supplies  = ARRAY_SIZE(sdp3430_vpll2_supplies),
+        .consumer_supplies      = sdp3430_vpll2_supplies,
 };
 
 static struct twl4030_codec_audio_data sdp3430_audio = {
@@ -521,6 +655,7 @@ static void __init omap_3430sdp_init(void)
         omap_serial_init();
         usb_musb_init();
         board_smc91x_init();
+        sdp3430_display_init();
         enable_board_wakeup_source();
         usb_ehci_init(&ehci_pdata);
 }