This patch adds DSS2 support for DVI, S-video, the 480x272 Samsung
LTE430WQ-F0C panel, and the 320x240 LG.Philips LB035Q02 panel.
Signed-off-by: Steve Sakoman <steve@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-overo.c | 239 +++++++++++++++++++++++++++++++------
1 files changed, 202 insertions(+), 37 deletions(-)
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index a33ec0e..a2c17c9 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 +42,14 @@
#include <plat/board.h>
#include <plat/common.h>
+#include <plat/display.h>
+#include <plat/panel-generic-dpi.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 +73,6 @@
#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 +97,6 @@ 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 +106,6 @@ 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 +221,137 @@ 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 panel_generic_dpi_data dvi_panel = {
+ .name = "generic",
+ .platform_enable = overo_panel_enable_dvi,
+ .platform_disable = overo_panel_disable_dvi,
+};
+
+static struct omap_dss_device overo_dvi_device = {
+ .name = "dvi",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .driver_name = "generic_dpi_panel",
+ .data = &dvi_panel,
+ .phy.dpi.data_lines = 24,
+};
+
+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;
+}
+
+static struct panel_generic_dpi_data lcd43_panel = {
+ .name = "samsung_lte430wq_f0c",
+ .platform_enable = overo_panel_enable_lcd,
+ .platform_disable = overo_panel_disable_lcd,
+};
+
+static struct omap_dss_device overo_lcd43_device = {
+ .name = "lcd43",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .driver_name = "generic_dpi_panel",
+ .data = &lcd43_panel,
+ .phy.dpi.data_lines = 24,
+};
+
+#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
+
+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
+ &overo_lcd43_device,
+};
+
+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 regulator_consumer_supply overo_vdda_dac_supply =
+ REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
+
+static struct regulator_consumer_supply overo_vdds_dsi_supply[] = {
+ REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
+ REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
+};
+
static struct mtd_partition overo_nand_partitions[] = {
{
.name = "xloader",
@@ -358,6 +477,37 @@ 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 = ARRAY_SIZE(overo_vdds_dsi_supply),
+ .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 +517,6 @@ static struct twl4030_codec_data overo_codec_data = {
.audio = &overo_audio_data,
};
-/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */
-
static struct twl4030_platform_data overo_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
@@ -376,6 +524,8 @@ 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[] = {
@@ -396,32 +546,46 @@ 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_early(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);
}
-static struct platform_device *overo_devices[] __initdata = {
- &overo_lcd_device,
-};
-
static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
@@ -449,13 +613,14 @@ static void __init overo_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
overo_i2c_init();
- platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
+ omap_display_init(&overo_dss_data);
omap_serial_init();
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);
--
1.7.0.4
--
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