diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-ldp.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-ldp.c | 122 |
1 files changed, 112 insertions, 10 deletions
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index abe8c7e496a2..f8f8a68a4899 100644 --- 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> @@ -43,6 +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" @@ -179,29 +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[] = { @@ -243,10 +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, }; @@ -272,7 +376,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = { }; static struct platform_device *ldp_devices[] __initdata = { - &ldp_lcd_device, &ldp_gpio_keys_device, }; @@ -317,8 +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)); @@ -329,6 +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") |