diff options
Diffstat (limited to 'recipes/linux/linux-omap/0007-DSS-Support-for-OMAP3-EVM-board.patch')
| -rw-r--r-- | recipes/linux/linux-omap/0007-DSS-Support-for-OMAP3-EVM-board.patch | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap/0007-DSS-Support-for-OMAP3-EVM-board.patch b/recipes/linux/linux-omap/0007-DSS-Support-for-OMAP3-EVM-board.patch new file mode 100644 index 0000000000..fb12ea4c03 --- /dev/null +++ b/recipes/linux/linux-omap/0007-DSS-Support-for-OMAP3-EVM-board.patch @@ -0,0 +1,255 @@ +From 98b4c02ad7229074414bc51bae1452fe93ab5111 Mon Sep 17 00:00:00 2001 +From: Tomi Valkeinen <tomi.valkeinen@nokia.com> +Date: Mon, 5 Jan 2009 14:57:32 +0200 +Subject: [PATCH] DSS: Support for OMAP3 EVM board + +Coded by Vaibhav Hiremath <hvaibhav@ti.com> + +Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com> +--- + arch/arm/mach-omap2/board-omap3evm.c | 203 ++++++++++++++++++++++++++++++++- + 1 files changed, 196 insertions(+), 7 deletions(-) + +diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c +index e4e60e2..e7ec9e6 100644 +--- a/arch/arm/mach-omap2/board-omap3evm.c ++++ b/arch/arm/mach-omap2/board-omap3evm.c +@@ -36,6 +36,7 @@ + #include <mach/usb-ehci.h> + #include <mach/common.h> + #include <mach/mcspi.h> ++#include <mach/display.h> + + #include "sdram-micron-mt46h32m32lf-6.h" + #include "twl4030-generic-scripts.h" +@@ -160,13 +161,201 @@ static int __init omap3_evm_i2c_init(void) + return 0; + } + +-static struct platform_device omap3_evm_lcd_device = { +- .name = "omap3evm_lcd", +- .id = -1, ++#define LCD_PANEL_LR 2 ++#define LCD_PANEL_UD 3 ++#define LCD_PANEL_INI 152 ++#define LCD_PANEL_ENABLE_GPIO 153 ++#define LCD_PANEL_QVGA 154 ++#define LCD_PANEL_RESB 155 ++ ++#define ENABLE_VDAC_DEDICATED 0x03 ++#define ENABLE_VDAC_DEV_GRP 0x20 ++#define ENABLE_VPLL2_DEDICATED 0x05 ++#define ENABLE_VPLL2_DEV_GRP 0xE0 ++ ++#define TWL4030_GPIODATA_IN3 0x03 ++#define TWL4030_GPIODATA_DIR3 0x06 ++#define TWL4030_VPLL2_DEV_GRP 0x33 ++#define TWL4030_VPLL2_DEDICATED 0x36 ++ ++static int lcd_enabled; ++static int dvi_enabled; ++ ++static void __init omap3_evm_display_init(void) ++{ ++ int r; ++ r = gpio_request(LCD_PANEL_LR, "lcd_panel_lr"); ++ if (r) { ++ printk(KERN_ERR "failed to get LCD_PANEL_LR\n"); ++ return; ++ } ++ r = gpio_request(LCD_PANEL_UD, "lcd_panel_ud"); ++ if (r) { ++ printk(KERN_ERR "failed to get LCD_PANEL_UD\n"); ++ goto err_1; ++ } ++ ++ r = gpio_request(LCD_PANEL_INI, "lcd_panel_ini"); ++ if (r) { ++ printk(KERN_ERR "failed to get LCD_PANEL_INI\n"); ++ goto err_2; ++ } ++ r = gpio_request(LCD_PANEL_RESB, "lcd_panel_resb"); ++ if (r) { ++ printk(KERN_ERR "failed to get LCD_PANEL_RESB\n"); ++ goto err_3; ++ } ++ r = gpio_request(LCD_PANEL_QVGA, "lcd_panel_qvga"); ++ if (r) { ++ printk(KERN_ERR "failed to get LCD_PANEL_QVGA\n"); ++ goto err_4; ++ } ++ ++ gpio_direction_output(LCD_PANEL_LR, 0); ++ gpio_direction_output(LCD_PANEL_UD, 0); ++ gpio_direction_output(LCD_PANEL_INI, 0); ++ gpio_direction_output(LCD_PANEL_RESB, 0); ++ gpio_direction_output(LCD_PANEL_QVGA, 0); ++ ++#define TWL_LED_LEDEN 0x00 ++#define TWL_PWMA_PWMAON 0x00 ++#define TWL_PWMA_PWMAOFF 0x01 ++ ++ twl4030_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF); ++ ++ gpio_direction_output(LCD_PANEL_RESB, 1); ++ gpio_direction_output(LCD_PANEL_INI, 1); ++ gpio_direction_output(LCD_PANEL_QVGA, 0); ++ gpio_direction_output(LCD_PANEL_LR, 1); ++ gpio_direction_output(LCD_PANEL_UD, 1); ++ ++ return; ++ ++err_4: ++ gpio_free(LCD_PANEL_RESB); ++err_3: ++ gpio_free(LCD_PANEL_INI); ++err_2: ++ gpio_free(LCD_PANEL_UD); ++err_1: ++ gpio_free(LCD_PANEL_LR); ++ ++} ++ ++static int omap3_evm_panel_enable_lcd(struct omap_display *display) ++{ ++ if (dvi_enabled) { ++ printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); ++ return -EINVAL; ++ } ++ if (omap_rev() > OMAP3430_REV_ES1_0) { ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ++ ENABLE_VPLL2_DEDICATED, TWL4030_VPLL2_DEDICATED); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ++ ENABLE_VPLL2_DEV_GRP, TWL4030_VPLL2_DEV_GRP); ++ } ++ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0); ++ lcd_enabled = 1; ++ return 0; ++} ++ ++static void omap3_evm_panel_disable_lcd(struct omap_display *display) ++{ ++ if (omap_rev() > OMAP3430_REV_ES1_0) { ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0, ++ TWL4030_VPLL2_DEDICATED); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0, ++ TWL4030_VPLL2_DEV_GRP); ++ } ++ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1); ++ lcd_enabled = 0; ++} ++ ++static struct omap_display_data omap3_evm_display_data = { ++ .type = OMAP_DISPLAY_TYPE_DPI, ++ .name = "lcd", ++ .panel_name = "sharp-ls037v7dw01", ++ .u.dpi.data_lines = 18, ++ .panel_enable = omap3_evm_panel_enable_lcd, ++ .panel_disable = omap3_evm_panel_disable_lcd, + }; + +-static struct omap_lcd_config omap3_evm_lcd_config __initdata = { +- .ctrl_name = "internal", ++static int omap3_evm_panel_enable_tv(struct omap_display *display) ++{ ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ++ ENABLE_VDAC_DEDICATED, TWL4030_VDAC_DEDICATED); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, ++ ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP); ++ return 0; ++} ++ ++static void omap3_evm_panel_disable_tv(struct omap_display *display) ++{ ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00, ++ TWL4030_VDAC_DEDICATED); ++ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00, ++ TWL4030_VDAC_DEV_GRP); ++} ++ ++static struct omap_display_data omap3_evm_display_data_tv = { ++ .type = OMAP_DISPLAY_TYPE_VENC, ++ .name = "tv", ++ .u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, ++ .panel_enable = omap3_evm_panel_enable_tv, ++ .panel_disable = omap3_evm_panel_disable_tv, ++}; ++ ++ ++static int omap3_evm_panel_enable_dvi(struct omap_display *display) ++{ ++ if (lcd_enabled) { ++ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); ++ return -EINVAL; ++ } ++ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, ++ TWL4030_GPIODATA_IN3); ++ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, ++ TWL4030_GPIODATA_DIR3); ++ dvi_enabled = 1; ++ ++ return 0; ++} ++ ++static void omap3_evm_panel_disable_dvi(struct omap_display *display) ++{ ++ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x00, ++ TWL4030_GPIODATA_IN3); ++ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x00, ++ TWL4030_GPIODATA_DIR3); ++ dvi_enabled = 0; ++} ++ ++ ++static struct omap_display_data omap3_evm_display_data_dvi = { ++ .type = OMAP_DISPLAY_TYPE_DPI, ++ .name = "dvi", ++ .panel_name = "panel-generic", ++ .u.dpi.data_lines = 24, ++ .panel_enable = omap3_evm_panel_enable_dvi, ++ .panel_disable = omap3_evm_panel_disable_dvi, ++}; ++ ++static struct omap_dss_platform_data omap3_evm_dss_data = { ++ .num_displays = 3, ++ .displays = { ++ &omap3_evm_display_data, ++ &omap3_evm_display_data_dvi, ++ &omap3_evm_display_data_tv, ++ } ++}; ++static struct platform_device omap3_evm_dss_device = { ++ .name = "omap-dss", ++ .id = -1, ++ .dev = { ++ .platform_data = &omap3_evm_dss_data, ++ }, + }; + + static void ads7846_dev_init(void) +@@ -225,11 +414,10 @@ static void __init omap3_evm_init_irq(void) + + static struct omap_board_config_kernel omap3_evm_config[] __initdata = { + { OMAP_TAG_UART, &omap3_evm_uart_config }, +- { OMAP_TAG_LCD, &omap3_evm_lcd_config }, + }; + + static struct platform_device *omap3_evm_devices[] __initdata = { +- &omap3_evm_lcd_device, ++ &omap3_evm_dss_device, + &omap3evm_smc911x_device, + }; + +@@ -260,6 +448,7 @@ static void __init omap3_evm_init(void) + usb_ehci_init(); + omap3evm_flash_init(); + ads7846_dev_init(); ++ omap3_evm_display_init(); + } + + static void __init omap3_evm_map_io(void) +-- +1.5.6.3 + |