OMAP: Enable DSS2 for OMAP3EVM board
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
[tomi.valkeinen@nokia.com: removed evm defconfig changes]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 34de178..822df79 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -41,6 +41,7 @@
#include <plat/usb.h>
#include <plat/common.h>
#include <plat/mcspi.h>
+#include <plat/display.h>
#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
@@ -147,6 +148,187 @@
static inline void __init omap3evm_init_smsc911x(void) { return; }
#endif
+/*
+ * OMAP3EVM LCD Panel control signals
+ */
+#define OMAP3EVM_LCD_PANEL_LR 2
+#define OMAP3EVM_LCD_PANEL_UD 3
+#define OMAP3EVM_LCD_PANEL_INI 152
+#define OMAP3EVM_LCD_PANEL_ENVDD 153
+#define OMAP3EVM_LCD_PANEL_QVGA 154
+#define OMAP3EVM_LCD_PANEL_RESB 155
+#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
+#define OMAP3EVM_DVI_PANEL_EN_GPIO 199
+
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init omap3_evm_display_init(void)
+{
+ int r;
+
+ r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_resb\n");
+ return;
+ }
+ gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
+
+ r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_ini\n");
+ goto err_1;
+ }
+ gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
+
+ r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_qvga\n");
+ goto err_2;
+ }
+ gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
+
+ r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_lr\n");
+ goto err_3;
+ }
+ gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
+
+ r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_ud\n");
+ goto err_4;
+ }
+ gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
+
+ r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
+ if (r) {
+ printk(KERN_ERR "failed to get lcd_panel_envdd\n");
+ goto err_5;
+ }
+ gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
+
+ return;
+
+err_5:
+ gpio_free(OMAP3EVM_LCD_PANEL_UD);
+err_4:
+ gpio_free(OMAP3EVM_LCD_PANEL_LR);
+err_3:
+ gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
+err_2:
+ gpio_free(OMAP3EVM_LCD_PANEL_INI);
+err_1:
+ gpio_free(OMAP3EVM_LCD_PANEL_RESB);
+
+}
+
+static int omap3_evm_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(OMAP3EVM_LCD_PANEL_ENVDD, 0);
+
+ if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+ gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
+ else
+ gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
+
+ lcd_enabled = 1;
+ return 0;
+}
+
+static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
+
+ if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+ gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
+ else
+ gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
+
+ lcd_enabled = 0;
+}
+
+static struct omap_dss_device omap3_evm_lcd_device = {
+ .name = "lcd",
+ .driver_name = "sharp_ls_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 18,
+ .platform_enable = omap3_evm_enable_lcd,
+ .platform_disable = omap3_evm_disable_lcd,
+};
+
+static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
+{
+ return 0;
+}
+
+static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
+{
+}
+
+static struct omap_dss_device omap3_evm_tv_device = {
+ .name = "tv",
+ .driver_name = "venc",
+ .type = OMAP_DISPLAY_TYPE_VENC,
+ .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+ .platform_enable = omap3_evm_enable_tv,
+ .platform_disable = omap3_evm_disable_tv,
+};
+
+static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
+{
+ if (lcd_enabled) {
+ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+ return -EINVAL;
+ }
+
+ gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);
+
+ dvi_enabled = 1;
+ return 0;
+}
+
+static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);
+
+ dvi_enabled = 0;
+}
+
+static struct omap_dss_device omap3_evm_dvi_device = {
+ .name = "dvi",
+ .driver_name = "generic_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 24,
+ .platform_enable = omap3_evm_enable_dvi,
+ .platform_disable = omap3_evm_disable_dvi,
+};
+
+static struct omap_dss_device *omap3_evm_dss_devices[] = {
+ &omap3_evm_lcd_device,
+ &omap3_evm_tv_device,
+ &omap3_evm_dvi_device,
+};
+
+static struct omap_dss_board_info omap3_evm_dss_data = {
+ .num_devices = ARRAY_SIZE(omap3_evm_dss_devices),
+ .devices = omap3_evm_dss_devices,
+ .default_device = &omap3_evm_lcd_device,
+};
+
+static struct platform_device omap3_evm_dss_device = {
+ .name = "omapdss",
+ .id = -1,
+ .dev = {
+ .platform_data = &omap3_evm_dss_data,
+ },
+};
+
static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
.supply = "vmmc",
};
@@ -236,6 +418,14 @@
* the P2 connector; notably LEDA for the LCD backlight.
*/
+ /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
+ gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
+ gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
+
+ /* gpio + 7 == DVI Enable */
+ gpio_request(gpio + 7, "EN_DVI");
+ gpio_direction_output(gpio + 7, 0);
+
/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
@@ -300,6 +490,47 @@
.audio = &omap3evm_audio_data,
};
+static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = {
+ .supply = "vdda_dac",
+ .dev = &omap3_evm_dss_device.dev,
+};
+
+/* VDAC for DSS driving S-Video */
+static struct regulator_init_data omap3_evm_vdac = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &omap3_evm_vdda_dac_supply,
+};
+
+/* VPLL2 for digital video outputs */
+static struct regulator_consumer_supply omap3_evm_vpll2_supply = {
+ .supply = "vdvi",
+ .dev = &omap3_evm_lcd_device.dev,
+};
+
+static struct regulator_init_data omap3_evm_vpll2 = {
+ .constraints = {
+ .name = "VDVI",
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &omap3_evm_vpll2_supply,
+};
+
static struct twl4030_platform_data omap3evm_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
@@ -310,6 +541,8 @@
.usb = &omap3evm_usb_data,
.gpio = &omap3evm_gpio_data,
.codec = &omap3evm_codec_data,
+ .vdac = &omap3_evm_vdac,
+ .vpll2 = &omap3_evm_vpll2,
};
static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
@@ -337,15 +570,6 @@
return 0;
}
-static struct platform_device omap3_evm_lcd_device = {
- .name = "omap3evm_lcd",
- .id = -1,
-};
-
-static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
- .ctrl_name = "internal",
-};
-
static void ads7846_dev_init(void)
{
if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
@@ -393,7 +617,6 @@
};
static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
- { OMAP_TAG_LCD, &omap3_evm_lcd_config },
};
static void __init omap3_evm_init_irq(void)
@@ -406,7 +629,7 @@
}
static struct platform_device *omap3_evm_devices[] __initdata = {
- &omap3_evm_lcd_device,
+ &omap3_evm_dss_device,
};
static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
@@ -473,6 +696,7 @@
usb_ehci_init(&ehci_pdata);
ads7846_dev_init();
omap3evm_init_smsc911x();
+ omap3_evm_display_init();
}
static void __init omap3_evm_map_io(void)