OMAP: LDP: Port the display driver to new DSS2

Port the old omapfb panel driver to DSS2. This patch changes the board
file only, the driver is ported in separate patch.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Stanley Miao <stanley.miao@windriver.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 218764c9377ee4c8dfd1c6500af1c1f84f586a8f..689ed499bdfda3ef3ed3a042e9085e039456e08b 100644 (file)
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -27,6 +27,7 @@
 #include <linux/io.h>
 #include <linux/smsc911x.h>
 #include <linux/mmc/host.h>
+#include <linux/gpio.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -34,7 +35,6 @@
 #include <asm/mach/map.h>
 
 #include <plat/mcspi.h>
-#include <mach/gpio.h>
 #include <plat/board.h>
 #include <plat/common.h>
 #include <plat/gpmc.h>
@@ -44,6 +44,9 @@
 #include <plat/usb.h>
 #include <plat/gpmc-smsc911x.h>
 
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
+
 #include "board-flash.h"
 #include "mux.h"
 #include "hsmmc.h"
@@ -180,29 +183,108 @@ static inline void __init ldp_init_smsc911x(void)
        gpmc_smsc911x_init(&smsc911x_cfg);
 }
 
-static struct platform_device ldp_lcd_device = {
-       .name           = "ldp_lcd",
-       .id             = -1,
+/* LCD */
+
+static int ldp_backlight_gpio;
+static int ldp_lcd_enable_gpio;
+
+#define LCD_PANEL_RESET_GPIO           55
+#define LCD_PANEL_QVGA_GPIO            56
+
+static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+       if (gpio_is_valid(ldp_lcd_enable_gpio))
+               gpio_direction_output(ldp_lcd_enable_gpio, 1);
+       if (gpio_is_valid(ldp_backlight_gpio))
+               gpio_direction_output(ldp_backlight_gpio, 1);
+
+       return 0;
+}
+
+static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+       if (gpio_is_valid(ldp_lcd_enable_gpio))
+               gpio_direction_output(ldp_lcd_enable_gpio, 0);
+       if (gpio_is_valid(ldp_backlight_gpio))
+               gpio_direction_output(ldp_backlight_gpio, 0);
+}
+
+static struct panel_generic_dpi_data ldp_panel_data = {
+       .name                   = "nec_nl2432dr22-11b",
+       .platform_enable        = ldp_panel_enable_lcd,
+       .platform_disable       = ldp_panel_disable_lcd,
 };
 
-static struct omap_lcd_config ldp_lcd_config __initdata = {
-       .ctrl_name      = "internal",
+static struct omap_dss_device ldp_lcd_device = {
+       .name                   = "lcd",
+       .driver_name            = "generic_dpi_panel",
+       .type                   = OMAP_DISPLAY_TYPE_DPI,
+       .phy.dpi.data_lines     = 18,
+       .data                   = &ldp_panel_data,
+};
+
+static struct omap_dss_device *ldp_dss_devices[] = {
+       &ldp_lcd_device,
 };
 
-static struct omap_board_config_kernel ldp_config[] __initdata = {
-       { OMAP_TAG_LCD,         &ldp_lcd_config },
+static struct omap_dss_board_info ldp_dss_data = {
+       .num_devices    = ARRAY_SIZE(ldp_dss_devices),
+       .devices        = ldp_dss_devices,
+       .default_device = &ldp_lcd_device,
 };
 
+static void __init ldp_display_init(void)
+{
+       int r;
+
+       static struct gpio gpios[] __initdata = {
+               {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
+               {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
+       };
+
+       r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
+       if (r) {
+               pr_err("Cannot request LCD GPIOs, error %d\n", r);
+               return;
+       }
+
+       omap_display_init(&ldp_dss_data);
+}
+
 static void __init omap_ldp_init_early(void)
 {
        omap2_init_common_infrastructure();
        omap2_init_common_devices(NULL, NULL);
 }
 
+static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio)
+{
+       int r;
+
+       struct gpio gpios[] = {
+               {gpio + 7 , GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
+               {gpio + 15, 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);
+               ldp_backlight_gpio = -EINVAL;
+               ldp_lcd_enable_gpio = -EINVAL;
+               return r;
+       }
+
+       ldp_backlight_gpio = gpio + 15;
+       ldp_lcd_enable_gpio = gpio + 7;
+
+       return 0;
+}
+
 static struct twl4030_gpio_platform_data ldp_gpio_data = {
        .gpio_base      = OMAP_MAX_GPIO_LINES,
        .irq_base       = TWL4030_GPIO_IRQ_BASE,
        .irq_end        = TWL4030_GPIO_IRQ_END,
+       .setup          = ldp_twl_gpio_setup,
 };
 
 static struct regulator_consumer_supply ldp_vmmc1_supply[] = {
@@ -244,10 +326,31 @@ static struct regulator_init_data ldp_vaux1 = {
        .consumer_supplies              = ldp_vaux1_supplies,
 };
 
+static struct regulator_consumer_supply ldp_vpll2_supplies[] = {
+       REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
+       REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
+};
+
+static struct regulator_init_data ldp_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  = ARRAY_SIZE(ldp_vpll2_supplies),
+       .consumer_supplies      = ldp_vpll2_supplies,
+};
+
 static struct twl4030_platform_data ldp_twldata = {
        /* platform_data for children goes here */
        .vmmc1          = &ldp_vmmc1,
        .vaux1          = &ldp_vaux1,
+       .vpll2          = &ldp_vpll2,
        .gpio           = &ldp_gpio_data,
        .keypad         = &ldp_kp_twl4030_data,
 };
@@ -273,7 +376,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
 };
 
 static struct platform_device *ldp_devices[] __initdata = {
-       &ldp_lcd_device,
        &ldp_gpio_keys_device,
 };
 
@@ -318,8 +420,6 @@ static struct mtd_partition ldp_nand_partitions[] = {
 static void __init omap_ldp_init(void)
 {
        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
-       omap_board_config = ldp_config;
-       omap_board_config_size = ARRAY_SIZE(ldp_config);
        ldp_init_smsc911x();
        omap_i2c_init();
        platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
@@ -330,6 +430,7 @@ static void __init omap_ldp_init(void)
                ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS, 0);
 
        omap2_hsmmc_init(mmc);
+       ldp_display_init();
 }
 
 MACHINE_START(OMAP_LDP, "OMAP LDP board")