diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-cm-t35.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-cm-t35.c | 257 |
1 files changed, 250 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 2626a9f8a73..2de4f79f03a 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -32,6 +32,9 @@ #include <linux/i2c/twl.h> #include <linux/regulator/machine.h> +#include <linux/spi/spi.h> +#include <linux/spi/tdo24m.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -41,12 +44,13 @@ #include <plat/nand.h> #include <plat/gpmc.h> #include <plat/usb.h> +#include <plat/display.h> #include <mach/hardware.h> #include "mux.h" #include "sdram-micron-mt46h32m32lf-6.h" -#include "mmc-twl4030.h" +#include "hsmmc.h" #define CM_T35_GPIO_PENDOWN 57 @@ -248,7 +252,6 @@ static inline void cm_t35_init_nand(void) {} #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) -#include <linux/spi/spi.h> #include <linux/spi/ads7846.h> #include <plat/mcspi.h> @@ -304,6 +307,193 @@ static void __init cm_t35_init_ads7846(void) static inline void cm_t35_init_ads7846(void) {} #endif +#define CM_T35_LCD_EN_GPIO 157 +#define CM_T35_LCD_BL_GPIO 58 +#define CM_T35_DVI_EN_GPIO 54 + +static int lcd_bl_gpio; +static int lcd_en_gpio; +static int dvi_en_gpio; + +static int lcd_enabled; +static int dvi_enabled; + +static int cm_t35_panel_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(lcd_en_gpio, 1); + gpio_set_value(lcd_bl_gpio, 1); + + lcd_enabled = 1; + + return 0; +} + +static void cm_t35_panel_disable_lcd(struct omap_dss_device *dssdev) +{ + lcd_enabled = 0; + + gpio_set_value(lcd_bl_gpio, 0); + gpio_set_value(lcd_en_gpio, 0); +} + +static int cm_t35_panel_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(dvi_en_gpio, 0); + dvi_enabled = 1; + + return 0; +} + +static void cm_t35_panel_disable_dvi(struct omap_dss_device *dssdev) +{ + gpio_set_value(dvi_en_gpio, 1); + dvi_enabled = 0; +} + +static int cm_t35_panel_enable_tv(struct omap_dss_device *dssdev) +{ + return 0; +} + +static void cm_t35_panel_disable_tv(struct omap_dss_device *dssdev) +{ +} + +static struct omap_dss_device cm_t35_lcd_device = { + .name = "lcd", + .driver_name = "toppoly_tdo35s_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 18, + .platform_enable = cm_t35_panel_enable_lcd, + .platform_disable = cm_t35_panel_disable_lcd, +}; + +static struct omap_dss_device cm_t35_dvi_device = { + .name = "dvi", + .driver_name = "generic_panel", + .type = OMAP_DISPLAY_TYPE_DPI, + .phy.dpi.data_lines = 24, + .platform_enable = cm_t35_panel_enable_dvi, + .platform_disable = cm_t35_panel_disable_dvi, +}; + +static struct omap_dss_device cm_t35_tv_device = { + .name = "tv", + .driver_name = "venc", + .type = OMAP_DISPLAY_TYPE_VENC, + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, + .platform_enable = cm_t35_panel_enable_tv, + .platform_disable = cm_t35_panel_disable_tv, +}; + +static struct omap_dss_device *cm_t35_dss_devices[] = { + &cm_t35_lcd_device, + &cm_t35_dvi_device, + &cm_t35_tv_device, +}; + +static struct omap_dss_board_info cm_t35_dss_data = { + .num_devices = ARRAY_SIZE(cm_t35_dss_devices), + .devices = cm_t35_dss_devices, + .default_device = &cm_t35_dvi_device, +}; + +static struct platform_device cm_t35_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &cm_t35_dss_data, + }, +}; + +static struct omap2_mcspi_device_config tdo24m_mcspi_config = { + .turbo_mode = 0, + .single_channel = 1, /* 0: slave, 1: master */ +}; + +static struct tdo24m_platform_data tdo24m_config = { + .model = TDO35S, +}; + +static struct spi_board_info cm_t35_lcd_spi_board_info[] __initdata = { + { + .modalias = "tdo24m", + .bus_num = 4, + .chip_select = 0, + .max_speed_hz = 1000000, + .controller_data = &tdo24m_mcspi_config, + .platform_data = &tdo24m_config, + }, +}; + +static void __init cm_t35_init_display(void) +{ + int err; + + lcd_en_gpio = CM_T35_LCD_EN_GPIO; + lcd_bl_gpio = CM_T35_LCD_BL_GPIO; + dvi_en_gpio = CM_T35_DVI_EN_GPIO; + + spi_register_board_info(cm_t35_lcd_spi_board_info, + ARRAY_SIZE(cm_t35_lcd_spi_board_info)); + + err = gpio_request(lcd_en_gpio, "LCD RST"); + if (err) { + pr_err("CM-T35: failed to get LCD reset GPIO\n"); + goto out; + } + + err = gpio_request(lcd_bl_gpio, "LCD BL"); + if (err) { + pr_err("CM-T35: failed to get LCD backlight control GPIO\n"); + goto err_lcd_bl; + } + + err = gpio_request(dvi_en_gpio, "DVI EN"); + if (err) { + pr_err("CM-T35: failed to get DVI reset GPIO\n"); + goto err_dvi_en; + } + + gpio_export(lcd_en_gpio, 0); + gpio_export(lcd_bl_gpio, 0); + gpio_export(dvi_en_gpio, 0); + gpio_direction_output(lcd_en_gpio, 0); + gpio_direction_output(lcd_bl_gpio, 0); + gpio_direction_output(dvi_en_gpio, 1); + + msleep(50); + gpio_set_value(lcd_en_gpio, 1); + + err = platform_device_register(&cm_t35_dss_device); + if (err) { + pr_err("CM-T35: failed to register DSS device\n"); + goto err_dev_reg; + } + + return; + +err_dev_reg: + gpio_free(dvi_en_gpio); +err_dvi_en: + gpio_free(lcd_bl_gpio); +err_lcd_bl: + gpio_free(lcd_en_gpio); +out: + + return; +} + static struct regulator_consumer_supply cm_t35_vmmc1_supply = { .supply = "vmmc", }; @@ -312,6 +502,16 @@ static struct regulator_consumer_supply cm_t35_vsim_supply = { .supply = "vmmc_aux", }; +static struct regulator_consumer_supply cm_t35_vdac_supply = { + .supply = "vdda_dac", + .dev = &cm_t35_dss_device.dev, +}; + +static struct regulator_consumer_supply cm_t35_vdvi_supply = { + .supply = "vdvi", + .dev = &cm_t35_dss_device.dev, +}; + /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ static struct regulator_init_data cm_t35_vmmc1 = { .constraints = { @@ -342,6 +542,35 @@ static struct regulator_init_data cm_t35_vsim = { .consumer_supplies = &cm_t35_vsim_supply, }; +/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ +static struct regulator_init_data cm_t35_vdac = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &cm_t35_vdac_supply, +}; + +/* VPLL2 for digital video outputs */ +static struct regulator_init_data cm_t35_vpll2 = { + .constraints = { + .name = "VDVI", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &cm_t35_vdvi_supply, +}; + static struct twl4030_usb_data cm_t35_usb_data = { .usb_mode = T2_USB_MODE_ULPI, }; @@ -364,7 +593,7 @@ static struct twl4030_keypad_data cm_t35_kp_data = { .rep = 1, }; -static struct twl4030_hsmmc_info mmc[] = { +static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, .wires = 4, @@ -383,7 +612,7 @@ static struct twl4030_hsmmc_info mmc[] = { {} /* Terminator */ }; -static struct ehci_hcd_omap_platform_data ehci_pdata = { +static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, @@ -413,7 +642,7 @@ static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio, /* gpio + 0 is "mmc0_cd" (input/IRQ) */ mmc[0].gpio_cd = gpio + 0; - twl4030_mmc_init(mmc); + omap2_hsmmc_init(mmc); /* link regulators to MMC adapters */ cm_t35_vmmc1_supply.dev = mmc[0].dev; @@ -445,6 +674,8 @@ static struct twl4030_platform_data cm_t35_twldata = { .gpio = &cm_t35_gpio_data, .vmmc1 = &cm_t35_vmmc1, .vsim = &cm_t35_vsim, + .vdac = &cm_t35_vdac, + .vpll2 = &cm_t35_vpll2, }; static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = { @@ -479,7 +710,7 @@ static void __init cm_t35_init_irq(void) static void __init cm_t35_map_io(void) { omap2_set_globals_343x(); - omap2_map_common_io(); + omap34xx_map_common_io(); } static struct omap_board_mux board_mux[] __initdata = { @@ -568,6 +799,11 @@ static struct omap_board_mux board_mux[] __initdata = { OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT), OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT), + /* display controls */ + OMAP3_MUX(MCBSP1_FSR, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), + OMAP3_MUX(GPMC_NCS7, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), + OMAP3_MUX(GPMC_NCS3, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), + /* TPS IRQ */ OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_WAKEUP_EN | \ OMAP_PIN_INPUT_PULLUP), @@ -575,6 +811,12 @@ static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; +static struct omap_musb_board_data musb_board_data = { + .interface_type = MUSB_INTERFACE_ULPI, + .mode = MUSB_OTG, + .power = 100, +}; + static void __init cm_t35_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); @@ -584,8 +826,9 @@ static void __init cm_t35_init(void) cm_t35_init_ads7846(); cm_t35_init_ethernet(); cm_t35_init_led(); + cm_t35_init_display(); - usb_musb_init(); + usb_musb_init(&musb_board_data); } MACHINE_START(CM_T35, "Compulab CM-T35") |