From 98c074253ee9ca49b145b81843cceedbf7aebc55 Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Wed, 10 Feb 2010 15:07:36 +0100 Subject: [PATCH 04/30] board-omap3-beagle: add DSS2 support --- arch/arm/mach-omap2/board-omap3beagle.c | 130 ++++++++++++++++++++++++------- 1 files changed, 103 insertions(+), 27 deletions(-) diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 9f72c7a..3b7f6ec 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -40,6 +40,7 @@ #include #include +#include #include #include #include @@ -153,6 +154,105 @@ static struct platform_device omap3beagle_nand_device = { .resource = &omap3beagle_nand_resource, }; +/* DSS */ + +static int beagle_enable_dvi(struct omap_dss_device *dssdev) +{ + if (dssdev->reset_gpio != -1) + gpio_set_value(dssdev->reset_gpio, 1); + + return 0; +} + +static void beagle_disable_dvi(struct omap_dss_device *dssdev) +{ + if (dssdev->reset_gpio != -1) + gpio_set_value(dssdev->reset_gpio, 0); +} + +static struct omap_dss_device beagle_dvi_device = { + .type = OMAP_DISPLAY_TYPE_DPI, + .name = "dvi", + .driver_name = "generic_panel", + .phy.dpi.data_lines = 24, + .reset_gpio = 170, + .platform_enable = beagle_enable_dvi, + .platform_disable = beagle_disable_dvi, +}; + +static int beagle_panel_enable_tv(struct omap_dss_device *dssdev) +{ +#define ENABLE_VDAC_DEDICATED 0x03 +#define ENABLE_VDAC_DEV_GRP 0x20 + + twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + ENABLE_VDAC_DEDICATED, + TWL4030_VDAC_DEDICATED); + twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP); + + return 0; +} + +static void beagle_panel_disable_tv(struct omap_dss_device *dssdev) +{ + twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00, + TWL4030_VDAC_DEDICATED); + twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00, + TWL4030_VDAC_DEV_GRP); +} + +static struct omap_dss_device beagle_tv_device = { + .name = "tv", + .driver_name = "venc", + .type = OMAP_DISPLAY_TYPE_VENC, + .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, + .platform_enable = beagle_panel_enable_tv, + .platform_disable = beagle_panel_disable_tv, +}; + +static struct omap_dss_device *beagle_dss_devices[] = { + &beagle_dvi_device, + &beagle_tv_device, +}; + +static struct omap_dss_board_info beagle_dss_data = { + .num_devices = ARRAY_SIZE(beagle_dss_devices), + .devices = beagle_dss_devices, + .default_device = &beagle_dvi_device, +}; + +static struct platform_device beagle_dss_device = { + .name = "omapdss", + .id = -1, + .dev = { + .platform_data = &beagle_dss_data, + }, +}; + +static struct regulator_consumer_supply beagle_vdac_supply = { + .supply = "vdda_dac", + .dev = &beagle_dss_device.dev, +}; + +static struct regulator_consumer_supply beagle_vdvi_supply = { + .supply = "vdds_dsi", + .dev = &beagle_dss_device.dev, +}; + +static void __init beagle_display_init(void) +{ + int r; + + r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset"); + if (r < 0) { + printk(KERN_ERR "Unable to get DVI reset GPIO\n"); + return; + } + + gpio_direction_output(beagle_dvi_device.reset_gpio, 0); +} + #include "sdram-micron-mt46h32m32lf-6.h" static struct twl4030_hsmmc_info mmc[] = { @@ -172,15 +272,6 @@ static struct twl4030_hsmmc_info mmc[] = { {} /* Terminator */ }; -static struct platform_device omap3_beagle_lcd_device = { - .name = "omap3beagle_lcd", - .id = -1, -}; - -static struct omap_lcd_config omap3_beagle_lcd_config __initdata = { - .ctrl_name = "internal", -}; - static struct regulator_consumer_supply beagle_vmmc1_supply = { .supply = "vmmc", }; @@ -236,16 +327,6 @@ static struct twl4030_gpio_platform_data beagle_gpio_data = { .setup = beagle_twl_gpio_setup, }; -static struct regulator_consumer_supply beagle_vdac_supply = { - .supply = "vdac", - .dev = &omap3_beagle_lcd_device.dev, -}; - -static struct regulator_consumer_supply beagle_vdvi_supply = { - .supply = "vdvi", - .dev = &omap3_beagle_lcd_device.dev, -}; - /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ static struct regulator_init_data beagle_vmmc1 = { .constraints = { @@ -418,14 +499,8 @@ static struct platform_device keys_gpio = { }, }; -static struct omap_board_config_kernel omap3_beagle_config[] __initdata = { - { OMAP_TAG_LCD, &omap3_beagle_lcd_config }, -}; - static void __init omap3_beagle_init_irq(void) { - omap_board_config = omap3_beagle_config; - omap_board_config_size = ARRAY_SIZE(omap3_beagle_config); omap2_init_common_hw(mt46h32m32lf6_sdrc_params, mt46h32m32lf6_sdrc_params, omap3_mpu_rate_table, omap3_dsp_rate_table, omap3_l3_rate_table); @@ -437,9 +512,9 @@ static void __init omap3_beagle_init_irq(void) } static struct platform_device *omap3_beagle_devices[] __initdata = { - &omap3_beagle_lcd_device, &leds_gpio, &keys_gpio, + &beagle_dss_device, }; static void __init omap3beagle_flash_init(void) @@ -522,8 +597,9 @@ static void __init omap3_beagle_init(void) /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); -} + beagle_display_init(); +} static void __init omap3_beagle_map_io(void) { omap2_set_globals_343x(); -- 1.6.6.1