This patch adds DSS2 support to the beagleboard boardfile. DVI and TV-out are
supported.
Changes since v1:
* removed beagle_panel_enable_tv() and beagle_panel_disable_tv()
Changes since v2:
* changed to REGULATOR_SUPPLY(_name, _dev_name) for dss regulators
Signed-off-by: Koen Kooi <k...@dominion.thruhere.net>
---
arch/arm/mach-omap2/board-omap3beagle.c | 126 ++++++++++++++++++++++++-------
1 files changed, 99 insertions(+), 27 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c
b/arch/arm/mach-omap2/board-omap3beagle.c
index 962d377..4b595b0 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -39,6 +39,7 @@
#include <plat/board.h>
#include <plat/common.h>
+#include <plat/display.h>
#include <plat/gpmc.h>
#include <plat/nand.h>
#include <plat/usb.h>
@@ -106,6 +107,101 @@ 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 =
+ REGULATOR_SUPPLY("vdda_dac", "omapdss");
+
+static struct regulator_consumer_supply beagle_vdvi_supply =
+ REGULATOR_SUPPLY("vdds_dsi", "omapdss")l
+
+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 omap2_hsmmc_info mmc[] = {
@@ -117,15 +213,6 @@ static struct omap2_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",
};
@@ -181,16 +268,6 @@ 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 = {
@@ -349,14 +426,8 @@ 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);
omap_init_irq();
@@ -367,9 +438,9 @@ 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)
@@ -456,8 +527,9 @@ 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
--
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