From: Kishore Y <kishore.y@xxxxxx>
board-zoom-display.c added as a common file for display fucntionality
on boards zoom2, zoom3 and 3630sdp
Signed-off-by: Mukund Mittal <mmittal@xxxxxx>
Signed-off-by: Kishore Y <kishore.y@xxxxxx>
---
arch/arm/mach-omap2/Makefile | 3 +
arch/arm/mach-omap2/board-zoom-display.c | 188 +++++++++++++++++++++++++
arch/arm/mach-omap2/board-zoom-peripherals.c | 36 +++++
arch/arm/mach-omap2/include/mach/board-zoom.h | 3 +
4 files changed, 230 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/board-zoom-display.c
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index b32678b..3dbe694 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -91,14 +91,17 @@ obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
board-rx51-peripherals.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
+ board-zoom-display.o \
board-zoom-peripherals.o \
mmc-twl4030.o \
board-zoom-debugboard.o
obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \
+ board-zoom-display.o \
board-zoom-peripherals.o \
mmc-twl4030.o \
board-zoom-debugboard.o
obj-$(CONFIG_MACH_OMAP_3630SDP) += board-3630sdp.o \
+ board-zoom-display.o \
board-zoom-peripherals.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \
diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c
new file mode 100644
index 0000000..fcadfd4
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom-display.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Inc.
+ *
+ * Modified from mach-omap2/board-zoom-peripherals.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/i2c/twl.h>
+#include <linux/spi/spi.h>
+#include <plat/common.h>
+#include <plat/control.h>
+#include <plat/mcspi.h>
+#include <plat/display.h>
+
+#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
+#define LCD_PANEL_RESET_GPIO_PROD 96
+#define LCD_PANEL_RESET_GPIO_PILOT 55
+#define LCD_PANEL_QVGA_GPIO 56
+#define TV_PANEL_ENABLE_GPIO 95
+
+struct zoom_dss_board_info {
+ int gpio_flag;
+};
+
+static void zoom_lcd_tv_panel_init(void)
+{
+ int ret;
+ unsigned char lcd_panel_reset_gpio;
+
+ if (omap_rev() > OMAP3430_REV_ES3_0) {
+ /* Production Zoom2 board:
+ * GPIO-96 is the LCD_RESET_GPIO
+ */
+ lcd_panel_reset_gpio = LCD_PANEL_RESET_GPIO_PROD;
+ } else {
+ /* Pilot Zoom2 board:
+ * GPIO-55 is the LCD_RESET_GPIO
+ */
+ lcd_panel_reset_gpio = LCD_PANEL_RESET_GPIO_PILOT;
+ }
+
+ ret = gpio_request(lcd_panel_reset_gpio, "lcd reset");
+ if (ret) {
+ pr_err("Failed to get LCD reset GPIO.\n");
+ return;
+ }
+ gpio_direction_output(lcd_panel_reset_gpio, 1);
+
+ ret = gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
+ if (ret) {
+ pr_err("Failed to get LCD_PANEL_QVGA_GPIO.\n");
+ goto err0;
+ }
+ gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1);
+
+ ret = gpio_request(TV_PANEL_ENABLE_GPIO, "tv panel");
+ if (ret) {
+ pr_err("Failed to get TV_PANEL_ENABLE_GPIO.\n");
+ goto err1;
+ }
+ gpio_direction_output(TV_PANEL_ENABLE_GPIO, 0);
+
+ return;
+
+err1:
+ gpio_free(LCD_PANEL_QVGA_GPIO);
+err0:
+ gpio_free(lcd_panel_reset_gpio);
+}
+
+static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ int ret;
+ struct zoom_dss_board_info *pdata;
+
+ pdata = dssdev->dev.platform_data;
+ if (pdata->gpio_flag == 0) {
+ ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable");
+ if (ret) {
+ pr_err("Failed to get LCD_PANEL_ENABLE_GPIO.\n");
+ return ret;
+ }
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
+ pdata->gpio_flag = 1;
+ } else {
+ gpio_set_value(LCD_PANEL_ENABLE_GPIO, 1);
+ }
+
+ return 0;
+}
+
+static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(LCD_PANEL_ENABLE_GPIO, 0);
+}
+
+static int zoom_panel_enable_tv(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(TV_PANEL_ENABLE_GPIO, 0);
+
+ return 0;
+}
+
+static void zoom_panel_disable_tv(struct omap_dss_device *dssdev)
+{
+ gpio_set_value(TV_PANEL_ENABLE_GPIO, 1);
+}
+
+static struct zoom_dss_board_info zoom_dss_lcd_data = {
+ .gpio_flag = 0,
+};
+
+static struct omap_dss_device zoom_lcd_device = {
+ .name = "lcd",
+ .driver_name = "NEC_8048_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 24,
+ .platform_enable = zoom_panel_enable_lcd,
+ .platform_disable = zoom_panel_disable_lcd,
+ .dev = {
+ .platform_data = &zoom_dss_lcd_data,
+ },
+};
+
+static struct omap_dss_device zoom_tv_device = {
+ .name = "tv",
+ .driver_name = "venc",
+ .type = OMAP_DISPLAY_TYPE_VENC,
+ .phy.venc.type = -1,
+ .platform_enable = zoom_panel_enable_tv,
+ .platform_disable = zoom_panel_disable_tv,
+};
+
+static struct omap_dss_device *zoom_dss_devices[] = {
+ &zoom_lcd_device,
+ &zoom_tv_device,
+};
+
+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 omap2_mcspi_device_config dss_lcd_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1, /* 0: slave, 1: master */
+};
+
+static struct spi_board_info nec_8048_spi_board_info[] __initdata = {
+ [0] = {
+ .modalias = "nec_8048_spi",
+ .bus_num = 1,
+ .chip_select = 2,
+ .max_speed_hz = 375000,
+ .controller_data = &dss_lcd_mcspi_config,
+ },
+};
+
+static struct platform_device *zoom_display_devices[] __initdata = {
+ &zoom_dss_device,
+};
+
+void __init zoom_display_init(enum omap_dss_venc_type venc_type)
+{
+ zoom_tv_device.phy.venc.type = venc_type;
+ platform_add_devices(zoom_display_devices,
+ ARRAY_SIZE(zoom_display_devices));
+ spi_register_board_info(nec_8048_spi_board_info,
+ ARRAY_SIZE(nec_8048_spi_board_info));
+ zoom_lcd_tv_panel_init();
+}
+
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 8dd277c..4145a40 100755
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -170,6 +170,40 @@ static struct twl4030_hsmmc_info mmc[] __initdata = {
{} /* Terminator */
};
+static struct regulator_consumer_supply zoom_vpll2_supply = {
+ .supply = "vdds_dsi",
+};
+
+static struct regulator_consumer_supply zoom_vdda_dac_supply = {
+ .supply = "vdda_dac",
+};
+
+static struct regulator_init_data zoom_vpll2 = {
+ .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_vpll2_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)
{
@@ -242,6 +276,8 @@ static struct twl4030_platform_data zoom_twldata = {
.vmmc1 = &zoom_vmmc1,
.vmmc2 = &zoom_vmmc2,
.vsim = &zoom_vsim,
+ .vpll2 = &zoom_vpll2,
+ .vdac = &zoom_vdac,
};
diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h b/arch/arm/mach-omap2/include/mach/board-zoom.h
index c93b29e..aec73b4 100644
--- a/arch/arm/mach-omap2/include/mach/board-zoom.h
+++ b/arch/arm/mach-omap2/include/mach/board-zoom.h
@@ -1,5 +1,8 @@
/*
* Defines for zoom boards
*/
+#include <plat/display.h>
+
extern int __init zoom_debugboard_init(void);
extern void __init zoom_peripherals_init(void);
+extern void __init zoom_display_init(enum omap_dss_venc_type venc_type);
--
1.5.6.3
Regards,
Kishore Y
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