From: Vaibhav Hiremath <[email protected]> This patch is dependent on I2C interface support patch, since both the patch series modifies same file (board-am3517evm.c) file. Please refer to the link -
http://marc.info/?l=linux-omap&m=126261461106778&w=2 Signed-off-by: Vaibhav Hiremath <[email protected]> --- arch/arm/configs/am3517_evm_defconfig | 52 ++++++++++++- arch/arm/mach-omap2/board-am3517evm.c | 144 +++++++++++++++++++++++++++++++++ 2 files changed, 195 insertions(+), 1 deletions(-) diff --git a/arch/arm/configs/am3517_evm_defconfig b/arch/arm/configs/am3517_evm_defconfig index abe9966..859f352 100644 --- a/arch/arm/configs/am3517_evm_defconfig +++ b/arch/arm/configs/am3517_evm_defconfig @@ -653,7 +653,57 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set -# CONFIG_FB is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_ARMCLCD is not set +# CONFIG_FB_S1D13XXX is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set +CONFIG_OMAP2_VRAM=y +CONFIG_OMAP2_VRFB=y +CONFIG_OMAP2_DSS=y +CONFIG_OMAP2_VRAM_SIZE=4 +CONFIG_OMAP2_DSS_DEBUG_SUPPORT=y +# CONFIG_OMAP2_DSS_RFBI is not set +CONFIG_OMAP2_DSS_VENC=y +# CONFIG_OMAP2_DSS_SDI is not set +# CONFIG_OMAP2_DSS_DSI is not set +# CONFIG_OMAP2_DSS_FAKE_VSYNC is not set +CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=4 +CONFIG_FB_OMAP2=y +CONFIG_FB_OMAP2_DEBUG_SUPPORT=y +# CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE is not set +CONFIG_FB_OMAP2_NUM_FBS=3 + +# +# OMAP2/3 Display Device Drivers +# +CONFIG_PANEL_GENERIC=y +# CONFIG_PANEL_SHARP_LS037V7DW01 is not set +CONFIG_PANEL_SHARP_LQ043T1DG01=y # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index e85243e..b924f15 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -32,12 +32,153 @@ #include <plat/common.h> #include <plat/control.h> #include <plat/usb.h> +#include <plat/display.h> #include <media/tvp514x.h> #include <media/ti-media/vpfe_capture.h> #include "mux.h" +#define LCD_PANEL_PWR 176 +#define LCD_PANEL_BKLIGHT_PWR 182 +#define LCD_PANEL_PWM 181 + +static int lcd_enabled; +static int dvi_enabled; + +static void __init am3517_evm_display_init(void) +{ + int r; + + omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP); + omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN); + omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN); + /* + * Enable GPIO 182 = LCD Backlight Power + */ + r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr"); + if (r) { + printk(KERN_ERR "failed to get lcd_backlight_pwr\n"); + return; + } + gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1); + /* + * Enable GPIO 181 = LCD Panel PWM + */ + r = gpio_request(LCD_PANEL_PWM, "lcd_pwm"); + if (r) { + printk(KERN_ERR "failed to get lcd_pwm\n"); + goto err_1; + } + gpio_direction_output(LCD_PANEL_PWM, 1); + /* + * Enable GPIO 176 = LCD Panel Power enable pin + */ + r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr"); + if (r) { + printk(KERN_ERR "failed to get lcd_panel_pwr\n"); + goto err_2; + } + gpio_direction_output(LCD_PANEL_PWR, 1); + + printk(KERN_INFO "Display initialized successfully\n"); + return; + +err_2: + gpio_free(LCD_PANEL_PWM); +err_1: + gpio_free(LCD_PANEL_BKLIGHT_PWR); +} + +static int am3517_evm_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_PANEL_PWR, 1); + lcd_enabled = 1; + + return 0; +} + +static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev) +{ + gpio_set_value(LCD_PANEL_PWR, 0); + lcd_enabled = 0; +} + +static struct omap_dss_device am3517_evm_lcd_device = { + .type = OMAP_DISPLAY_TYPE_DPI, + .name = "lcd", + .driver_name = "sharp_lq_panel", + .phy.dpi.data_lines = 16, + .platform_enable = am3517_evm_panel_enable_lcd, + .platform_disable = am3517_evm_panel_disable_lcd, +}; + +static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev) +{ + return 0; +} + +static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev) +{ +} + +static struct omap_dss_device am3517_evm_tv_device = { + .type = OMAP_DISPLAY_TYPE_VENC, + .name = "tv", + .driver_name = "venc", + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, + .platform_enable = am3517_evm_panel_enable_tv, + .platform_disable = am3517_evm_panel_disable_tv, +}; + +static int am3517_evm_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 am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev) +{ + dvi_enabled = 0; +} + +static struct omap_dss_device am3517_evm_dvi_device = { + .type = OMAP_DISPLAY_TYPE_DPI, + .name = "dvi", + .driver_name = "generic_panel", + .phy.dpi.data_lines = 24, + .platform_enable = am3517_evm_panel_enable_dvi, + .platform_disable = am3517_evm_panel_disable_dvi, +}; + +static struct omap_dss_device *am3517_evm_dss_devices[] = { + &am3517_evm_lcd_device, + &am3517_evm_tv_device, + &am3517_evm_dvi_device, +}; + +static struct omap_dss_board_info am3517_evm_dss_data = { + .num_devices = ARRAY_SIZE(am3517_evm_dss_devices), + .devices = am3517_evm_dss_devices, + .default_device = &am3517_evm_lcd_device, +}; + +struct platform_device am3517_evm_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &am3517_evm_dss_data, + }, +}; /* * VPFE - Video Decoder interface @@ -269,6 +410,7 @@ static struct omap_board_config_kernel am3517_evm_config[] __initdata = { static struct platform_device *am3517_evm_devices[] __initdata = { &dm644x_ccdc_dev, &vpfe_capture_dev, + &am3517_evm_dss_device, }; static void __init am3517_evm_init_irq(void) @@ -327,6 +469,8 @@ static void __init am3517_evm_init(void) i2c_register_board_info(1, am3517evm_i2c_boardinfo, ARRAY_SIZE(am3517evm_i2c_boardinfo)); + /* DSS */ + am3517_evm_display_init(); } static void __init am3517_evm_map_io(void) -- 1.6.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
