Use the generic DSS panel driver that provides support for
the 4.3" Sharp LQ043T1DG01 that comes standard on the
OMAP3530 SOM-LV and Torpedo DevKits.
Signed-off-by: Ashwin Bihari <ashwin.bih...@logicpd.com>
---
arch/arm/mach-omap2/board-omap3logic.c | 147 ++++++++++++++++++++++++++++++++
1 files changed, 147 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3logic.c
b/arch/arm/mach-omap2/board-omap3logic.c
index c008bf8..f0545c9 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -47,6 +47,8 @@
#include <plat/gpmc.h>
#include <plat/sdrc.h>
#include <plat/usb.h>
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
#define OMAP3LOGIC_SMSC911X_CS 1
@@ -57,6 +59,11 @@
#define OMAP3_TORPEDO_MMC_GPIO_CD 127
#define OMAP3_TORPEDO_SMSC911X_GPIO_IRQ 129
+#define LCD_PANEL_PWR 155
+#define OMAP3530_LV_SOM_BACKLIGHT_PWR 8
+#define OMAP3530_TORPEDO_BACKLIGHT_PWR 154
+#define OMAP3530_TORPEDO_MDISP 56
+
static struct regulator_consumer_supply omap3logic_vmmc1_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
@@ -104,6 +111,10 @@ static struct twl4030_platform_data omap3logic_twldata = {
static int __init omap3logic_i2c_init(void)
{
+ omap3_pmic_get_config(&omap3logic_twldata,
+ TWL_COMMON_PDATA_USB,
+ TWL_COMMON_REGULATOR_VDAC |
TWL_COMMON_REGULATOR_VPLL2);
+
omap3_pmic_init("twl4030", &omap3logic_twldata);
return 0;
}
@@ -207,6 +218,36 @@ static struct omap_board_mux board_mux[] __initdata = {
OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
+ /* DSS */
+ OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA9, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA10, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA11, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA12, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA13, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA14, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+ OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
+
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
@@ -216,17 +257,123 @@ static struct regulator_consumer_supply dummy_supplies[]
= {
REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
};
+#if defined(CONFIG_PANEL_GENERIC_DPI) || \
+ defined(CONFIG_PANEL_GENERIC_DPI_MODULE)
+static void __init omap3logic_display_init(void)
+{
+ int r;
+
+ omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_OUTPUT);
+ if (machine_is_omap3530_lv_som())
+ omap_mux_init_gpio(OMAP3530_LV_SOM_BACKLIGHT_PWR,
OMAP_PIN_OUTPUT);
+ else if (machine_is_omap3_torpedo()) {
+ omap_mux_init_gpio(OMAP3530_TORPEDO_BACKLIGHT_PWR,
OMAP_PIN_OUTPUT);
+ omap_mux_init_gpio(OMAP3530_TORPEDO_MDISP, OMAP_PIN_OUTPUT);
+ }
+
+ r = gpio_request(LCD_PANEL_PWR, "lcd enable");
+ if (r) {
+ printk(KERN_ERR "Failed to get DSS panel enable GPIO\n");
+ return;
+ }
+ gpio_direction_output(LCD_PANEL_PWR, 0);
+
+ if (machine_is_omap3530_lv_som()) {
+ r = gpio_request(OMAP3530_LV_SOM_BACKLIGHT_PWR, "lcd backlight
enable");
+ if (r) {
+ printk(KERN_ERR "Failed to get DSS panel backlight
enable GPIO\n");
+ return;
+ }
+ gpio_direction_output(OMAP3530_LV_SOM_BACKLIGHT_PWR, 0);
+ } else if (machine_is_omap3_torpedo()) {
+ r = gpio_request(OMAP3530_TORPEDO_BACKLIGHT_PWR, "lcd backlight
enable");
+ if (r) {
+ printk(KERN_ERR "Failed to get DSS panel backlight
enable GPIO\n");
+ return;
+ }
+ gpio_direction_output(OMAP3530_TORPEDO_BACKLIGHT_PWR, 0);
+
+ r = gpio_request(OMAP3530_TORPEDO_MDISP, "lcd mdisp");
+ if (r) {
+ printk(KERN_ERR "Failed to get DSS panel mdisp GPIO\n");
+ return;
+ }
+ gpio_direction_output(OMAP3530_TORPEDO_MDISP, 0);
+ }
+
+ printk(KERN_INFO "Display initialized successfully\n");
+}
+#else
+static void __init omap3logic_dislpay_init(void) {}
+#endif
+
+static int omap3logic_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(LCD_PANEL_PWR, 1);
+ if (machine_is_omap3530_lv_som())
+ gpio_set_value(OMAP3530_LV_SOM_BACKLIGHT_PWR, 1);
+ else if (machine_is_omap3_torpedo()) {
+ gpio_set_value(OMAP3530_TORPEDO_BACKLIGHT_PWR, 1);
+
+ gpio_set_value(OMAP3530_TORPEDO_MDISP, 1);
+ }
+
+ return 0;
+}
+
+static int omap3logic_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(LCD_PANEL_PWR, 0);
+ if (machine_is_omap3530_lv_som())
+ gpio_set_value(OMAP3530_LV_SOM_BACKLIGHT_PWR, 0);
+ else if (machine_is_omap3_torpedo()) {
+ gpio_set_value(OMAP3530_TORPEDO_BACKLIGHT_PWR, 0);
+
+ gpio_set_value(OMAP3530_TORPEDO_MDISP, 0);
+ }
+
+ return 0;
+}
+
+static struct panel_generic_dpi_data lcd_panel = {
+ .name = "sharp_lq",
+ .platform_enable = omap3logic_panel_enable_lcd,
+ .platform_disable = omap3logic_panel_disable_lcd,
+};
+
+static struct omap_dss_device omap3logic_lcd_device = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "lcd",
+ .driver_name = "generic_dpi_panel",
+ .data = &lcd_panel,
+ .phy.dpi.data_lines = 16,
+};
+
+static struct omap_dss_device *omap3logic_dss_devices[] = {
+ &omap3logic_lcd_device,
+};
+
+static struct omap_dss_board_info omap3logic_dss_data = {
+ .num_devices = ARRAY_SIZE(omap3logic_dss_devices),
+ .devices = omap3logic_dss_devices,
+ .default_device = &omap3logic_lcd_device,
+};
+
static void __init omap3logic_init(void)
{
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap3torpedo_fix_pbias_voltage();
omap3logic_i2c_init();
+ omap_display_init(&omap3logic_dss_data);
omap_serial_init();
omap_sdrc_init(NULL, NULL);
board_mmc_init();
board_smsc911x_init();
+ /* DSS */
+ omap3logic_display_init();
+
usb_musb_init(NULL);
/* Ensure SDRC pins are mux'd for self-refresh */
--
1.7.1
--
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