This patch adds DSS2 support to the LogicPD OMAP 35x Torpedo boardfile. LCD and
TV-out are supported.

Signed-off-by: Alex Gershgorin <[email protected]>
---
 arch/arm/mach-omap2/board-omap3logic.c |  151 ++++++++++++++++++++++++++++++++
 1 files changed, 151 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3logic.c 
b/arch/arm/mach-omap2/board-omap3logic.c
index 7c0f193..86175fa 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -7,6 +7,9 @@
  * Copyright (C) 2010 Logic Product Development, Inc.
  * Peter Barada <[email protected]>
  *
+ * Copyright (C) 2011 Meprolight, Ltd.
+ * Alex Gershgorin <[email protected]>
+ *
  * Modified from Beagle, EVM, and RX51
  *
  * This program is free software; you can redistribute it and/or modify
@@ -44,6 +47,10 @@
 #include <plat/gpmc-smsc911x.h>
 #include <plat/gpmc.h>
 #include <plat/sdrc.h>
+#include <plat/vram.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-generic-dpi.h>
 
 #define OMAP3LOGIC_SMSC911X_CS                 1
 
@@ -58,6 +65,14 @@ static struct regulator_consumer_supply 
omap3logic_vmmc1_supply[] = {
        REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 };
 
+static struct regulator_consumer_supply omap3logic_vdds_supplies[] = {
+       REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
+       REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
+};
+
+static struct regulator_consumer_supply omap3logic_vdac_supply =
+       REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
+
 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 static struct regulator_init_data omap3logic_vmmc1 = {
        .constraints = {
@@ -74,6 +89,34 @@ static struct regulator_init_data omap3logic_vmmc1 = {
        .consumer_supplies      = omap3logic_vmmc1_supply,
 };
 
+static struct regulator_init_data omap3logic_vpll2 = {
+       .constraints = {
+               .name                   = "VDDS_DSI",
+               .min_uV                 = 1800000,
+               .max_uV                 = 1800000,
+               .apply_uV               = true,
+               .always_on              = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE,
+       },
+       .num_consumer_supplies  = ARRAY_SIZE(omap3logic_vdds_supplies),
+       .consumer_supplies      = omap3logic_vdds_supplies,
+};
+
+static struct regulator_init_data omap3logic_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      = &omap3logic_vdac_supply,
+};
+
 static struct twl4030_gpio_platform_data omap3logic_gpio_data = {
        .gpio_base      = OMAP_MAX_GPIO_LINES,
        .irq_base       = TWL4030_GPIO_IRQ_BASE,
@@ -91,6 +134,8 @@ static struct twl4030_platform_data omap3logic_twldata = {
        /* platform_data for children goes here */
        .gpio           = &omap3logic_gpio_data,
        .vmmc1          = &omap3logic_vmmc1,
+       .vpll2          = &omap3logic_vpll2,
+       .vdac           = &omap3logic_vdac,
 };
 
 static int __init omap3logic_i2c_init(void)
@@ -182,6 +227,110 @@ static inline void __init board_smsc911x_init(void)
        gpmc_smsc911x_init(&board_smsc911x_data);
 }
 
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+
+#define OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO       154
+#define OMAP3_TORPEDO_LCD_ENABLE_GPIO          155
+#define OMAP3_TORPEDO_LCD_PWM_GPIO             56
+
+static struct gpio omap3logic_dss_gpios[] __initdata = {
+       {OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, "lcd_bl_pwr"},
+       {OMAP3_TORPEDO_LCD_PWM_GPIO, GPIOF_OUT_INIT_LOW, "lcd bl enable"},
+       {OMAP3_TORPEDO_LCD_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, "lcd enable"},
+};
+
+static int omap3logic_enable_lcd(struct omap_dss_device *dssdev)
+{
+       gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_ENABLE_GPIO, 1);
+       msleep(20);
+       gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, 1);
+
+       return 0;
+}
+
+static void omap3logic_disable_lcd(struct omap_dss_device *dssdev)
+{
+       gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_ENABLE_GPIO, 0);
+       msleep(20);
+       gpio_set_value_cansleep(OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, 0);
+}
+
+static struct panel_generic_dpi_data lcd_panel = {
+       .name                   = "sharp_lq",
+       .platform_enable        = omap3logic_enable_lcd,
+       .platform_disable       = omap3logic_disable_lcd,
+};
+
+static struct omap_dss_device omap3logic_lcd_device = {
+       .name                   = "lcd",
+       .driver_name            = "generic_dpi_panel",
+       .type                   = OMAP_DISPLAY_TYPE_DPI,
+       .data                   = &lcd_panel,
+       .phy.dpi.data_lines     = 16,
+};
+
+static struct omap_dss_device omap3logic_tv_device = {
+       .name                   = "tv",
+       .driver_name            = "venc",
+       .type                   = OMAP_DISPLAY_TYPE_VENC,
+       .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
+};
+
+static struct omap_dss_device *omap3logic_dss_devices[] = {
+       &omap3logic_lcd_device,
+       &omap3logic_tv_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_display_init(void)
+{
+       int r;
+
+       r = gpio_request_array(omap3logic_dss_gpios,
+                              ARRAY_SIZE(omap3logic_dss_gpios));
+       if (r) {
+               printk(KERN_ERR "failed to get lcd_panel_* gpios\n");
+               return;
+       }
+
+       gpio_export(OMAP3_TORPEDO_LCD_BACKLIGHT_GPIO, 0);
+       gpio_export(OMAP3_TORPEDO_LCD_ENABLE_GPIO, 0);
+       gpio_export(OMAP3_TORPEDO_LCD_PWM_GPIO, 0);
+
+       r = omap_display_init(&omap3logic_dss_data);
+       if (r) {
+               pr_err("OMAP3LOGIC: failed to register DSS device\n");
+               gpio_free_array(omap3logic_dss_gpios,
+                               ARRAY_SIZE(omap3logic_dss_gpios));
+       }
+}
+
+static void __init omap3logic_video_mem_init(void)
+{
+       /*
+        * GFX 480x272x32bpp
+        * VID1/2 480x272x32bpp double buffered
+        */
+       omap_vram_set_sdram_vram(PAGE_ALIGN(480 * 272 * 4) +
+                       2 * PAGE_ALIGN(480 * 272 * 4 * 2), 0);
+}
+
+#else
+static void __init omap3logic_display_init(void) { }
+static void __init omap3logic_video_mem_init(void){ }
+#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
+
+static void __init omap3logic_reserve(void)
+{
+       omap3logic_video_mem_init();
+       omap_reserve();
+}
+
 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
        { .reg_offset = OMAP_MUX_TERMINATOR },
@@ -197,6 +346,7 @@ static void __init omap3logic_init(void)
        omap_sdrc_init(NULL, NULL);
        board_mmc_init();
        board_smsc911x_init();
+       omap3logic_display_init();
 
        /* Ensure SDRC pins are mux'd for self-refresh */
        omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
@@ -205,6 +355,7 @@ static void __init omap3logic_init(void)
 
 MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
        .atag_offset    = 0x100,
+       .reserve        = omap3logic_reserve,
        .map_io         = omap3_map_io,
        .init_early     = omap35xx_init_early,
        .init_irq       = omap3_init_irq,
-- 
1.7.0.4

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