OMAP3: ZOOM2/3/3630SDP: Add display board file for OMAP3

Board-zoom-display.c added as a common file for display functionality
on boards zoom2, zoom3 and 3630sdp.

Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Kishore Y <kishore.y@ti.com>
Signed-off-by: Rajkumar N <rajkumar.nagarajan@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

4 files changed, 221 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 4ab82f6f15b1..6202f229f70a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -187,16 +187,19 @@ obj-$(CONFIG_MACH_NOKIA_RX51)		+= board-rx51.o \
                                            hsmmc.o
 obj-$(CONFIG_MACH_OMAP_ZOOM2)           += board-zoom.o \
                                            board-zoom-peripherals.o \
+                                           board-zoom-display.o \
                                            board-flash.o \
                                            hsmmc.o \
                                            board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_ZOOM3)           += board-zoom.o \
                                            board-zoom-peripherals.o \
+                                           board-zoom-display.o \
                                            board-flash.o \
                                            hsmmc.o \
                                            board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_3630SDP)         += board-3630sdp.o \
                                            board-zoom-peripherals.o \
+                                           board-zoom-display.o \
                                            board-flash.o \
                                            hsmmc.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 000000000000..6bcd43657aed
--- /dev/null
+++ b/arch/arm/mach-omap2/board-zoom-display.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2010 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/mcspi.h>
+#include <plat/display.h>
+
+#define LCD_PANEL_RESET_GPIO_PROD       96
+#define LCD_PANEL_RESET_GPIO_PILOT      55
+#define LCD_PANEL_QVGA_GPIO             56
+
+static void zoom_lcd_panel_init(void)
+{
+        int ret;
+        unsigned char lcd_panel_reset_gpio;
+
+        lcd_panel_reset_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
+                        LCD_PANEL_RESET_GPIO_PROD :
+                        LCD_PANEL_RESET_GPIO_PILOT;
+
+        ret = gpio_request(lcd_panel_reset_gpio, "lcd reset");
+        if (ret) {
+                pr_err("Failed to get LCD reset GPIO (gpio%d).\n",
+                        lcd_panel_reset_gpio);
+                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 (gpio%d).\n",
+                        LCD_PANEL_QVGA_GPIO);
+                goto err0;
+        }
+        gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1);
+
+        return;
+err0:
+        gpio_free(lcd_panel_reset_gpio);
+}
+
+static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+        return 0;
+}
+
+static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+}
+
+/*
+ * PWMA/B register offsets (TWL4030_MODULE_PWMA)
+ */
+#define TWL_INTBR_PMBR1 0xD
+#define TWL_INTBR_GPBR1 0xC
+#define TWL_LED_PWMON   0x0
+#define TWL_LED_PWMOFF  0x1
+
+static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level)
+{
+        unsigned char c;
+        u8 mux_pwm, enb_pwm;
+
+        if (level > 100)
+                return -1;
+
+        twl_i2c_read_u8(TWL4030_MODULE_INTBR, &mux_pwm, TWL_INTBR_PMBR1);
+        twl_i2c_read_u8(TWL4030_MODULE_INTBR, &enb_pwm, TWL_INTBR_GPBR1);
+
+        if (level == 0) {
+                /* disable pwm1 output and clock */
+                enb_pwm = enb_pwm & 0xF5;
+                /* change pwm1 pin to gpio pin */
+                mux_pwm = mux_pwm & 0xCF;
+                twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+                                        enb_pwm, TWL_INTBR_GPBR1);
+                twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+                                        mux_pwm, TWL_INTBR_PMBR1);
+                return 0;
+        }
+
+        if (!((enb_pwm & 0xA) && (mux_pwm & 0x30))) {
+                /* change gpio pin to pwm1 pin */
+                mux_pwm = mux_pwm | 0x30;
+                /* enable pwm1 output and clock*/
+                enb_pwm = enb_pwm | 0x0A;
+                twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+                                        mux_pwm, TWL_INTBR_PMBR1);
+                twl_i2c_write_u8(TWL4030_MODULE_INTBR,
+                                        enb_pwm, TWL_INTBR_GPBR1);
+        }
+
+        c = ((50 * (100 - level)) / 100) + 1;
+        twl_i2c_write_u8(TWL4030_MODULE_PWM1, 0x7F, TWL_LED_PWMOFF);
+        twl_i2c_write_u8(TWL4030_MODULE_PWM1, c, TWL_LED_PWMON);
+
+        return 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,
+        .max_backlight_level    = 100,
+        .set_backlight          = zoom_set_bl_intensity,
+};
+
+static struct omap_dss_device *zoom_dss_devices[] = {
+        &zoom_lcd_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             = 1,
+        .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(void)
+{
+        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_panel_init();
+}
+
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index 3fbd0edd712e..14d95afa3f0d 100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -35,6 +35,8 @@
 #define OMAP_ZOOM_WLAN_PMENA_GPIO       (101)
 #define OMAP_ZOOM_WLAN_IRQ_GPIO         (162)
 
+#define LCD_PANEL_ENABLE_GPIO           (7 + OMAP_MAX_GPIO_LINES)
+
 /* Zoom2 has Qwerty keyboard*/
 static uint32_t board_keymap[] = {
         KEY(0, 0, KEY_E),
@@ -224,9 +226,43 @@ static struct omap2_hsmmc_info mmc[] = {
         {}      /* Terminator */
 };
 
+static struct regulator_consumer_supply zoom_vpll2_supply =
+        REGULATOR_SUPPLY("vdds_dsi", "omapdss");
+
+static struct regulator_consumer_supply zoom_vdda_dac_supply =
+        REGULATOR_SUPPLY("vdda_dac", "omapdss");
+
+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)
 {
+        int ret;
+
         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
         mmc[0].gpio_cd = gpio + 0;
         omap2_hsmmc_init(mmc);
@@ -238,7 +274,15 @@ static int zoom_twl_gpio_setup(struct device *dev,
         zoom_vsim_supply.dev = mmc[0].dev;
         zoom_vmmc2_supply.dev = mmc[1].dev;
 
-        return 0;
+        ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable");
+        if (ret) {
+                pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
+                                LCD_PANEL_ENABLE_GPIO);
+                return ret;
+        }
+        gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+
+        return ret;
 }
 
 /* EXTMUTE callback function */
@@ -301,7 +345,8 @@ static struct twl4030_platform_data zoom_twldata = {
         .vmmc1          = &zoom_vmmc1,
         .vmmc2          = &zoom_vmmc2,
         .vsim           = &zoom_vsim,
-
+        .vpll2          = &zoom_vpll2,
+        .vdac           = &zoom_vdac,
 };
 
 static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h b/arch/arm/mach-omap2/include/mach/board-zoom.h
index f93ca3928c3b..d20bd9c1a106 100644
--- a/arch/arm/mach-omap2/include/mach/board-zoom.h
+++ b/arch/arm/mach-omap2/include/mach/board-zoom.h
@@ -1,9 +1,12 @@
 /*
  * Defines for zoom boards
  */
+#include <plat/display.h>
+
 #define ZOOM_NAND_CS    0
 
 extern int __init zoom_debugboard_init(void);
 extern void __init zoom_peripherals_init(void);
+extern void __init zoom_display_init(void);
 
 #define ZOOM2_HEADSET_EXTMUTE_GPIO      153