>From e9394adabaa4418db50147cb464f314f396e0ec5 Mon Sep 17 00:00:00 2001
From: Mukund Mittal <mmittal@xxxxxx>
Date: Fri, 20 Nov 2009 18:14:30 +0530
Subject: [PATCH] ZOOM: DSS2: changes in zoom board file for display support
board-zoom-peripherals.c is common file for zoom boards to support
peripherals. Display support has been added here to enable display in
zoom2 and zoom3
Signed-off-by: Kishore Y <kishore.y@xxxxxx>
---
arch/arm/mach-omap2/board-zoom-peripherals.c | 212 +++++++++++++++++++++++++-
1 files changed, 209 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 32adfea..a8628db 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -27,10 +27,166 @@
#include <plat/usb.h>
#include <plat/mux.h>
+#include <plat/mcspi.h>
+#include <linux/spi/spi.h>
+#include <plat/display.h>
#include "mmc-twl4030.h"
#define OMAP_SYNAPTICS_GPIO 163
+#define LCD_PANEL_BACKLIGHT_GPIO (15 + OMAP_MAX_GPIO_LINES)
+#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
+
+#define LCD_PANEL_RESET_GPIO 55
+#define LCD_PANEL_QVGA_GPIO 56
+
+#define TV_PANEL_ENABLE_GPIO 95
+
+
+#define ENABLE_VAUX2_DEDICATED 0x09
+#define ENABLE_VAUX2_DEV_GRP 0x20
+#define ENABLE_VAUX3_DEDICATED 0x03
+#define ENABLE_VAUX3_DEV_GRP 0x20
+
+#define ENABLE_VPLL2_DEDICATED 0x05
+#define ENABLE_VPLL2_DEV_GRP 0xE0
+#define TWL4030_VPLL2_DEV_GRP 0x33
+#define TWL4030_VPLL2_DEDICATED 0x36
+
+/*#define SIL9022_RESET_GPIO 97*/
+
+
+static void zoom_lcd_tv_panel_init(void)
+{
+ unsigned char lcd_panel_reset_gpio;
+
+ if (omap_rev() > OMAP3430_REV_ES3_0) {
+ /* Production Zoom Board:
+ * * GPIO-96 is the LCD_RESET_GPIO
+ * */
+ lcd_panel_reset_gpio = 96;
+ } else {
+ /* Pilot Zoom board
+ * * GPIO-55 is the LCD_RESET_GPIO
+ * */
+ lcd_panel_reset_gpio = 55;
+ }
+
+ gpio_request(lcd_panel_reset_gpio, "lcd reset");
+ gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
+ gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd panel");
+ gpio_request(LCD_PANEL_BACKLIGHT_GPIO, "lcd backlight");
+
+ gpio_request(TV_PANEL_ENABLE_GPIO, "tv panel");
+
+ gpio_direction_output(LCD_PANEL_QVGA_GPIO, 0);
+ gpio_direction_output(lcd_panel_reset_gpio, 0);
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+ gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
+ gpio_direction_output(TV_PANEL_ENABLE_GPIO, 0);
+
+ gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1);
+ gpio_direction_output(lcd_panel_reset_gpio, 1);
+}
+
+static int zoom_panel_power_enable(int enable)
+{
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ (enable) ? ENABLE_VPLL2_DEDICATED : 0,
+ TWL4030_VPLL2_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ (enable) ? ENABLE_VPLL2_DEV_GRP : 0,
+ TWL4030_VPLL2_DEV_GRP);
+ return 0;
+}
+
+static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ zoom_panel_power_enable(1);
+
+ gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd panel");
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
+ gpio_request(LCD_PANEL_BACKLIGHT_GPIO, "lcd backlight");
+ gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 1);
+
+ return 0;
+}
+
+static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+ zoom_panel_power_enable(0);
+
+ gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd panel");
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+ gpio_request(LCD_PANEL_BACKLIGHT_GPIO, "lcd backlight");
+ gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
+
+}
+
+static struct omap_dss_device zoom_lcd_device = {
+ .name = "lcd",
+ .driver_name = "NEC_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 24,
+ .platform_enable = zoom_panel_enable_lcd,
+ .platform_disable = zoom_panel_disable_lcd,
+ };
+
+static struct omap_dss_device *zoom_dss_devices[] = {
+ &zoom_lcd_device,
+/* &zoom_tv_device,
+ * #ifdef CONFIG_SIL9022
+ * &zoom_hdmi_device,
+ * #endif
+ * */
+};
+
+
+
+static struct omap_dss_board_info zoom_dss_data = {
+ .num_devices = ARRAY_SIZE(zoom_dss_devices),
+ .devices = zoom_dss_devices,
+ .default_device = &zoom_lcd_device,
+};
+
+static struct platform_device zoom_dss_device = {
+ .name = "omapdss",
+ .id = -1,
+ .dev = {
+ .platform_data = &zoom_dss_data,
+ },
+};
+
+static struct regulator_consumer_supply zoom_vdda_dac_supply = {
+ .supply = "vdda_dac",
+ .dev = &zoom_dss_device.dev,
+};
+
+
+#ifdef CONFIG_FB_OMAP2
+static struct resource zoom_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
+};
+#else
+static struct resource zoom_vout_resource[2] = {
+};
+#endif
+
+
+static struct omap2_mcspi_device_config dss_lcd_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1, /* 0: slave, 1: master */
+};
+
+static struct spi_board_info dss_spi_board_info[] __initdata = {
+ [0] = {
+ .modalias = "disp_spi",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 375000,
+ .controller_data = &dss_lcd_mcspi_config,
+ },
+};
+
/* Zoom2 has Qwerty keyboard*/
static int board_keymap[] = {
KEY(0, 0, KEY_E),
@@ -184,6 +340,19 @@ static struct regulator_init_data zoom_vsim = {
.consumer_supplies = &zoom_vsim_supply,
};
+static struct regulator_init_data zoom_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 = &zoom_vdda_dac_supply,
+};
+
static int zoom_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
@@ -342,7 +511,7 @@ static struct twl4030_platform_data zoom_twldata = {
/* .vaux2 = &zoom_vaux2,*/
/* .vaux4 = &zoom_vaux4,*/
.vsim = &zoom_vsim,
- /* .vdac = &zoom_vdac,*/
+ .vdac = &zoom_vdac,
};
static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
@@ -383,7 +552,7 @@ static struct synaptics_i2c_rmi_platform_data synaptics_platform_data[] = {
}
};
-static struct i2c_board_info __initdata zoom2_i2c_boardinfo2[] = {
+static struct i2c_board_info __initdata zoom_i2c_boardinfo2[] = {
{
I2C_BOARD_INFO(SYNAPTICS_I2C_RMI_NAME, 0x20),
.platform_data = &synaptics_platform_data,
@@ -396,7 +565,7 @@ static int __init zoom_i2c_init(void)
omap_register_i2c_bus(1, 2200, zoom_i2c_boardinfo,
ARRAY_SIZE(zoom_i2c_boardinfo));
- /* TODO: I2C2 on zoom2/3:
+ /* TODO: I2C2 on zoom/3:
* Add Synaptic RMI controller
* Add Camera sensor IMX046
* Add Camera sensor LV8093
@@ -410,11 +579,48 @@ static int __init zoom_i2c_init(void)
return 0;
}
+/*
+#ifdef CONFIG_PM
+struct vout_platform_data zoom_vout_data = {
+ .set_min_bus_tput = omap_pm_set_min_bus_tput,
+ .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat,
+ .set_cpu_freq = omap_pm_cpu_set_freq,
+};
+#endif
+*/
+
+static struct platform_device zoom_vout_device = {
+ .name = "omap_vout",
+ .num_resources = ARRAY_SIZE(zoom_vout_resource),
+ .resource = &zoom_vout_resource[0],
+ .id = -1,
+/*
+#ifdef CONFIG_PM
+ .dev = {
+ .platform_data = &zoom_vout_data,
+ }
+#else
+*/
+ .dev = {
+ .platform_data = NULL,
+ }
+/*#endif*/
+};
+
+
+ static struct platform_device *zoom_devices[] __initdata = {
+ &zoom_dss_device,
+ /*&zoom_vout_device,*/
+ };
void __init zoom_peripherals_init(void)
{
zoom_i2c_init();
+ platform_add_devices(zoom_devices, ARRAY_SIZE(zoom_devices));
synaptics_dev_init();
+ spi_register_board_info(dss_spi_board_info,
+ ARRAY_SIZE(dss_spi_board_info));
omap_serial_init();
usb_musb_init();
+ zoom_lcd_tv_panel_init();
}
--
1.5.4.3
Regards,
Kishore Y
Ph:- +918039813085
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