omap3: cm-t35: add DSS2 display support

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
Mike Rapoport 2009-12-14 09:01:08 +01:00 committed by Tomi Valkeinen
parent c3d33329f4
commit 7f049ad15e

View File

@ -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>
@ -41,6 +44,7 @@
#include <plat/nand.h>
#include <plat/gpmc.h>
#include <plat/usb.h>
#include <plat/display.h>
#include <mach/hardware.h>
@ -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,
};
@ -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[] = {
@ -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),
@ -584,6 +820,7 @@ 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();
}