diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap/base/0028-OMAP-DSS2-Add-DSS2-support-for-Overo.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap/base/0028-OMAP-DSS2-Add-DSS2-support-for-Overo.patch | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap/base/0028-OMAP-DSS2-Add-DSS2-support-for-Overo.patch b/extras/recipes-kernel/linux/linux-omap/base/0028-OMAP-DSS2-Add-DSS2-support-for-Overo.patch new file mode 100644 index 00000000..ff2ab556 --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap/base/0028-OMAP-DSS2-Add-DSS2-support-for-Overo.patch @@ -0,0 +1,355 @@ +From 9b2bfa418f2e1b7ed3e210cb7cba3cdd67f9925f Mon Sep 17 00:00:00 2001 +From: Steve Sakoman <steve@sakoman.com> +Date: Fri, 18 Dec 2009 06:39:24 -0800 +Subject: [PATCH 28/28] OMAP: DSS2: Add DSS2 support for Overo + +--- + arch/arm/mach-omap2/board-overo.c | 238 +++++++++++++++++++++++++++++++------ + 1 files changed, 204 insertions(+), 34 deletions(-) + +diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c +index b28a9d5..8a44c17 100644 +--- a/arch/arm/mach-omap2/board-overo.c ++++ b/arch/arm/mach-omap2/board-overo.c +@@ -28,6 +28,7 @@ + #include <linux/platform_device.h> + #include <linux/i2c/twl.h> + #include <linux/regulator/machine.h> ++#include <linux/spi/spi.h> + + #include <linux/mtd/mtd.h> + #include <linux/mtd/nand.h> +@@ -41,10 +42,13 @@ + + #include <plat/board.h> + #include <plat/common.h> ++#include <plat/display.h> + #include <mach/gpio.h> + #include <plat/gpmc.h> + #include <mach/hardware.h> + #include <plat/nand.h> ++#include <plat/mcspi.h> ++#include <plat/mux.h> + #include <plat/usb.h> + + #include "mux.h" +@@ -68,8 +72,6 @@ + #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ + defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) + +-#include <plat/mcspi.h> +-#include <linux/spi/spi.h> + #include <linux/spi/ads7846.h> + + static struct omap2_mcspi_device_config ads7846_mcspi_config = { +@@ -94,18 +96,6 @@ static struct ads7846_platform_data ads7846_config = { + .keep_vref_on = 1, + }; + +-static struct spi_board_info overo_spi_board_info[] __initdata = { +- { +- .modalias = "ads7846", +- .bus_num = 1, +- .chip_select = 0, +- .max_speed_hz = 1500000, +- .controller_data = &ads7846_mcspi_config, +- .irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN), +- .platform_data = &ads7846_config, +- } +-}; +- + static void __init overo_ads7846_init(void) + { + if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && +@@ -115,9 +105,6 @@ static void __init overo_ads7846_init(void) + printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n"); + return; + } +- +- spi_register_board_info(overo_spi_board_info, +- ARRAY_SIZE(overo_spi_board_info)); + } + + #else +@@ -233,6 +220,139 @@ static inline void __init overo_init_smsc911x(void) + static inline void __init overo_init_smsc911x(void) { return; } + #endif + ++/* DSS */ ++static int lcd_enabled; ++static int dvi_enabled; ++ ++#define OVERO_GPIO_LCD_EN 144 ++#define OVERO_GPIO_LCD_BL 145 ++ ++static void __init overo_display_init(void) ++{ ++ if ((gpio_request(OVERO_GPIO_LCD_EN, "OVERO_GPIO_LCD_EN") == 0) && ++ (gpio_direction_output(OVERO_GPIO_LCD_EN, 1) == 0)) ++ gpio_export(OVERO_GPIO_LCD_EN, 0); ++ else ++ printk(KERN_ERR "could not obtain gpio for " ++ "OVERO_GPIO_LCD_EN\n"); ++ ++ if ((gpio_request(OVERO_GPIO_LCD_BL, "OVERO_GPIO_LCD_BL") == 0) && ++ (gpio_direction_output(OVERO_GPIO_LCD_BL, 1) == 0)) ++ gpio_export(OVERO_GPIO_LCD_BL, 0); ++ else ++ printk(KERN_ERR "could not obtain gpio for " ++ "OVERO_GPIO_LCD_BL\n"); ++} ++ ++static int overo_panel_enable_dvi(struct omap_dss_device *dssdev) ++{ ++ if (lcd_enabled) { ++ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); ++ return -EINVAL; ++ } ++ dvi_enabled = 1; ++ ++ return 0; ++} ++ ++static void overo_panel_disable_dvi(struct omap_dss_device *dssdev) ++{ ++ dvi_enabled = 0; ++} ++ ++static struct omap_dss_device overo_dvi_device = { ++ .type = OMAP_DISPLAY_TYPE_DPI, ++ .name = "dvi", ++ .driver_name = "generic_panel", ++ .phy.dpi.data_lines = 24, ++ .platform_enable = overo_panel_enable_dvi, ++ .platform_disable = overo_panel_disable_dvi, ++}; ++ ++static struct omap_dss_device overo_tv_device = { ++ .name = "tv", ++ .driver_name = "venc", ++ .type = OMAP_DISPLAY_TYPE_VENC, ++ .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, ++}; ++ ++static int overo_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(OVERO_GPIO_LCD_EN, 1); ++ gpio_set_value(OVERO_GPIO_LCD_BL, 1); ++ lcd_enabled = 1; ++ return 0; ++} ++ ++static void overo_panel_disable_lcd(struct omap_dss_device *dssdev) ++{ ++ gpio_set_value(OVERO_GPIO_LCD_EN, 0); ++ gpio_set_value(OVERO_GPIO_LCD_BL, 0); ++ lcd_enabled = 0; ++} ++ ++#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ ++ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) ++static struct omap_dss_device overo_lcd35_device = { ++ .type = OMAP_DISPLAY_TYPE_DPI, ++ .name = "lcd35", ++ .driver_name = "lgphilips_lb035q02_panel", ++ .phy.dpi.data_lines = 24, ++ .platform_enable = overo_panel_enable_lcd, ++ .platform_disable = overo_panel_disable_lcd, ++}; ++#endif ++ ++#if defined(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C) || \ ++ defined(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C_MODULE) ++static struct omap_dss_device overo_lcd43_device = { ++ .type = OMAP_DISPLAY_TYPE_DPI, ++ .name = "lcd43", ++ .driver_name = "samsung_lte_panel", ++ .phy.dpi.data_lines = 24, ++ .platform_enable = overo_panel_enable_lcd, ++ .platform_disable = overo_panel_disable_lcd, ++}; ++#endif ++ ++static struct omap_dss_device *overo_dss_devices[] = { ++ &overo_dvi_device, ++ &overo_tv_device, ++#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ ++ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) ++ &overo_lcd35_device, ++#endif ++#if defined(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C) || \ ++ defined(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C_MODULE) ++ &overo_lcd43_device, ++#endif ++}; ++ ++static struct omap_dss_board_info overo_dss_data = { ++ .num_devices = ARRAY_SIZE(overo_dss_devices), ++ .devices = overo_dss_devices, ++ .default_device = &overo_dvi_device, ++}; ++ ++static struct platform_device overo_dss_device = { ++ .name = "omapdss", ++ .id = -1, ++ .dev = { ++ .platform_data = &overo_dss_data, ++ }, ++}; ++ ++static struct regulator_consumer_supply overo_vdda_dac_supply = ++ REGULATOR_SUPPLY("vdda_dac", "omapdss"); ++ ++static struct regulator_consumer_supply overo_vdds_dsi_supply = ++ REGULATOR_SUPPLY("vdds_dsi", "omapdss"); ++ + static struct mtd_partition overo_nand_partitions[] = { + { + .name = "xloader", +@@ -358,6 +478,37 @@ static struct regulator_init_data overo_vmmc1 = { + .consumer_supplies = &overo_vmmc1_supply, + }; + ++/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */ ++static struct regulator_init_data overo_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 = &overo_vdda_dac_supply, ++}; ++ ++/* VPLL2 for digital video outputs */ ++static struct regulator_init_data overo_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 = &overo_vdds_dsi_supply, ++}; ++ ++/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */ ++ + static struct twl4030_codec_audio_data overo_audio_data = { + .audio_mclk = 26000000, + }; +@@ -367,8 +518,6 @@ static struct twl4030_codec_data overo_codec_data = { + .audio = &overo_audio_data, + }; + +-/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */ +- + static struct twl4030_madc_platform_data overo_madc_data = { + .irq_line = 1, + }; +@@ -381,6 +530,8 @@ static struct twl4030_platform_data overo_twldata = { + .usb = &overo_usb_data, + .codec = &overo_codec_data, + .vmmc1 = &overo_vmmc1, ++ .vdac = &overo_vdac, ++ .vpll2 = &overo_vpll2, + }; + + static struct i2c_board_info __initdata overo_i2c_boardinfo[] = { +@@ -401,23 +552,41 @@ static int __init overo_i2c_init(void) + return 0; + } + +-static struct platform_device overo_lcd_device = { +- .name = "overo_lcd", +- .id = -1, +-}; +- +-static struct omap_lcd_config overo_lcd_config __initdata = { +- .ctrl_name = "internal", ++static struct spi_board_info overo_spi_board_info[] __initdata = { ++#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ ++ defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) ++ { ++ .modalias = "ads7846", ++ .bus_num = 1, ++ .chip_select = 0, ++ .max_speed_hz = 1500000, ++ .controller_data = &ads7846_mcspi_config, ++ .irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN), ++ .platform_data = &ads7846_config, ++ }, ++#endif ++#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ ++ defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) ++ { ++ .modalias = "lgphilips_lb035q02_panel-spi", ++ .bus_num = 1, ++ .chip_select = 1, ++ .max_speed_hz = 500000, ++ .mode = SPI_MODE_3, ++ }, ++#endif + }; + +-static struct omap_board_config_kernel overo_config[] __initdata = { +- { OMAP_TAG_LCD, &overo_lcd_config }, +-}; ++static int __init overo_spi_init(void) ++{ ++ overo_ads7846_init(); ++ spi_register_board_info(overo_spi_board_info, ++ ARRAY_SIZE(overo_spi_board_info)); ++ return 0; ++} + + static void __init overo_init_irq(void) + { +- omap_board_config = overo_config; +- omap_board_config_size = ARRAY_SIZE(overo_config); + omap2_init_common_infrastructure(); + omap2_init_common_devices(mt46h32m32lf6_sdrc_params, + mt46h32m32lf6_sdrc_params); +@@ -425,7 +594,7 @@ static void __init overo_init_irq(void) + } + + static struct platform_device *overo_devices[] __initdata = { +- &overo_lcd_device, ++ &overo_dss_device, + }; + + static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { +@@ -466,8 +635,9 @@ static void __init overo_init(void) + overo_flash_init(); + usb_musb_init(&musb_board_data); + usb_ehci_init(&ehci_pdata); +- overo_ads7846_init(); ++ overo_spi_init(); + overo_init_smsc911x(); ++ overo_display_init(); + + /* Ensure SDRC pins are mux'd for self-refresh */ + omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); +@@ -510,7 +680,7 @@ static void __init overo_init(void) + "OVERO_GPIO_USBH_CPEN\n"); + } + +-MACHINE_START(OVERO, "Gumstix Overo") ++MACHINE_START(OVERO, "Gumstsix Overo") + .boot_params = 0x80000100, + .map_io = omap3_map_io, + .reserve = omap_reserve, +-- +1.6.6.1 + |