diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3evm.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 246 |
1 files changed, 235 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 34de1785157..822df79ce89 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -41,6 +41,7 @@ #include <plat/usb.h> #include <plat/common.h> #include <plat/mcspi.h> +#include <plat/display.h> #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" @@ -147,6 +148,187 @@ static inline void __init omap3evm_init_smsc911x(void) static inline void __init omap3evm_init_smsc911x(void) { return; } #endif +/* + * OMAP3EVM LCD Panel control signals + */ +#define OMAP3EVM_LCD_PANEL_LR 2 +#define OMAP3EVM_LCD_PANEL_UD 3 +#define OMAP3EVM_LCD_PANEL_INI 152 +#define OMAP3EVM_LCD_PANEL_ENVDD 153 +#define OMAP3EVM_LCD_PANEL_QVGA 154 +#define OMAP3EVM_LCD_PANEL_RESB 155 +#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210 +#define OMAP3EVM_DVI_PANEL_EN_GPIO 199 + +static int lcd_enabled; +static int dvi_enabled; + +static void __init omap3_evm_display_init(void) +{ + int r; + + r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_resb\n"); + return; + } + gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1); + + r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_ini\n"); + goto err_1; + } + gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1); + + r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_qvga\n"); + goto err_2; + } + gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0); + + r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_lr\n"); + goto err_3; + } + gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1); + + r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_ud\n"); + goto err_4; + } + gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1); + + r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_envdd\n"); + goto err_5; + } + gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0); + + return; + +err_5: + gpio_free(OMAP3EVM_LCD_PANEL_UD); +err_4: + gpio_free(OMAP3EVM_LCD_PANEL_LR); +err_3: + gpio_free(OMAP3EVM_LCD_PANEL_QVGA); +err_2: + gpio_free(OMAP3EVM_LCD_PANEL_INI); +err_1: + gpio_free(OMAP3EVM_LCD_PANEL_RESB); + +} + +static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev) +{ + if (dvi_enabled) { + printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); + return -EINVAL; + } + gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0); + + if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) + gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); + else + gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); + + lcd_enabled = 1; + return 0; +} + +static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev) +{ + gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1); + + if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) + gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1); + else + gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0); + + lcd_enabled = 0; +} + +static struct omap_dss_device omap3_evm_lcd_device = { + .name = "lcd", + .driver_name = "sharp_ls_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 18, + .platform_enable = omap3_evm_enable_lcd, + .platform_disable = omap3_evm_disable_lcd, +}; + +static int omap3_evm_enable_tv(struct omap_dss_device *dssdev) +{ + return 0; +} + +static void omap3_evm_disable_tv(struct omap_dss_device *dssdev) +{ +} + +static struct omap_dss_device omap3_evm_tv_device = { + .name = "tv", + .driver_name = "venc", + .type = OMAP_DISPLAY_TYPE_VENC, + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, + .platform_enable = omap3_evm_enable_tv, + .platform_disable = omap3_evm_disable_tv, +}; + +static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev) +{ + if (lcd_enabled) { + printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); + return -EINVAL; + } + + gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1); + + dvi_enabled = 1; + return 0; +} + +static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev) +{ + gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0); + + dvi_enabled = 0; +} + +static struct omap_dss_device omap3_evm_dvi_device = { + .name = "dvi", + .driver_name = "generic_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .platform_enable = omap3_evm_enable_dvi, + .platform_disable = omap3_evm_disable_dvi, +}; + +static struct omap_dss_device *omap3_evm_dss_devices[] = { + &omap3_evm_lcd_device, + &omap3_evm_tv_device, + &omap3_evm_dvi_device, +}; + +static struct omap_dss_board_info omap3_evm_dss_data = { + .num_devices = ARRAY_SIZE(omap3_evm_dss_devices), + .devices = omap3_evm_dss_devices, + .default_device = &omap3_evm_lcd_device, +}; + +static struct platform_device omap3_evm_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &omap3_evm_dss_data, + }, +}; + static struct regulator_consumer_supply omap3evm_vmmc1_supply = { .supply = "vmmc", }; @@ -236,6 +418,14 @@ static int omap3evm_twl_gpio_setup(struct device *dev, * the P2 connector; notably LEDA for the LCD backlight. */ + /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */ + gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL"); + gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0); + + /* gpio + 7 == DVI Enable */ + gpio_request(gpio + 7, "EN_DVI"); + gpio_direction_output(gpio + 7, 0); + /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */ gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; @@ -300,6 +490,47 @@ static struct twl4030_codec_data omap3evm_codec_data = { .audio = &omap3evm_audio_data, }; +static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = { + .supply = "vdda_dac", + .dev = &omap3_evm_dss_device.dev, +}; + +/* VDAC for DSS driving S-Video */ +static struct regulator_init_data omap3_evm_vdac = { + .constraints = { + .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 = &omap3_evm_vdda_dac_supply, +}; + +/* VPLL2 for digital video outputs */ +static struct regulator_consumer_supply omap3_evm_vpll2_supply = { + .supply = "vdvi", + .dev = &omap3_evm_lcd_device.dev, +}; + +static struct regulator_init_data omap3_evm_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 = &omap3_evm_vpll2_supply, +}; + static struct twl4030_platform_data omap3evm_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, @@ -310,6 +541,8 @@ static struct twl4030_platform_data omap3evm_twldata = { .usb = &omap3evm_usb_data, .gpio = &omap3evm_gpio_data, .codec = &omap3evm_codec_data, + .vdac = &omap3_evm_vdac, + .vpll2 = &omap3_evm_vpll2, }; static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = { @@ -337,15 +570,6 @@ static int __init omap3_evm_i2c_init(void) return 0; } -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 ads7846_dev_init(void) { if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0) @@ -393,7 +617,6 @@ struct spi_board_info omap3evm_spi_board_info[] = { }; static struct omap_board_config_kernel omap3_evm_config[] __initdata = { - { OMAP_TAG_LCD, &omap3_evm_lcd_config }, }; static void __init omap3_evm_init_irq(void) @@ -406,7 +629,7 @@ static void __init omap3_evm_init_irq(void) } static struct platform_device *omap3_evm_devices[] __initdata = { - &omap3_evm_lcd_device, + &omap3_evm_dss_device, }; static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { @@ -473,6 +696,7 @@ static void __init omap3_evm_init(void) usb_ehci_init(&ehci_pdata); ads7846_dev_init(); omap3evm_init_smsc911x(); + omap3_evm_display_init(); } static void __init omap3_evm_map_io(void) |