4 files changed, 232 insertions, 0 deletions

diff --git a/include/linux/i2c/adp8860.h b/include/linux/i2c/adp8860.h
new file mode 100644
index 000000000000..0b4d39855c91
--- /dev/null
+++ b/include/linux/i2c/adp8860.h
@@ -0,0 +1,154 @@
+/*
+ * Definitions and platform data for Analog Devices
+ * Backlight drivers ADP8860
+ *
+ * Copyright 2009-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __LINUX_I2C_ADP8860_H
+#define __LINUX_I2C_ADP8860_H
+
+#include <linux/leds.h>
+#include <linux/types.h>
+
+#define ID_ADP8860              8860
+
+#define ADP8860_MAX_BRIGHTNESS  0x7F
+#define FLAG_OFFT_SHIFT 8
+
+/*
+ * LEDs subdevice platform data
+ */
+
+#define ADP8860_LED_DIS_BLINK   (0 << FLAG_OFFT_SHIFT)
+#define ADP8860_LED_OFFT_600ms  (1 << FLAG_OFFT_SHIFT)
+#define ADP8860_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT)
+#define ADP8860_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT)
+
+#define ADP8860_LED_ONT_200ms   0
+#define ADP8860_LED_ONT_600ms   1
+#define ADP8860_LED_ONT_800ms   2
+#define ADP8860_LED_ONT_1200ms  3
+
+#define ADP8860_LED_D7          (7)
+#define ADP8860_LED_D6          (6)
+#define ADP8860_LED_D5          (5)
+#define ADP8860_LED_D4          (4)
+#define ADP8860_LED_D3          (3)
+#define ADP8860_LED_D2          (2)
+#define ADP8860_LED_D1          (1)
+
+/*
+ * Backlight subdevice platform data
+ */
+
+#define ADP8860_BL_D7           (1 << 6)
+#define ADP8860_BL_D6           (1 << 5)
+#define ADP8860_BL_D5           (1 << 4)
+#define ADP8860_BL_D4           (1 << 3)
+#define ADP8860_BL_D3           (1 << 2)
+#define ADP8860_BL_D2           (1 << 1)
+#define ADP8860_BL_D1           (1 << 0)
+
+#define ADP8860_FADE_T_DIS      0       /* Fade Timer Disabled */
+#define ADP8860_FADE_T_300ms    1       /* 0.3 Sec */
+#define ADP8860_FADE_T_600ms    2
+#define ADP8860_FADE_T_900ms    3
+#define ADP8860_FADE_T_1200ms   4
+#define ADP8860_FADE_T_1500ms   5
+#define ADP8860_FADE_T_1800ms   6
+#define ADP8860_FADE_T_2100ms   7
+#define ADP8860_FADE_T_2400ms   8
+#define ADP8860_FADE_T_2700ms   9
+#define ADP8860_FADE_T_3000ms   10
+#define ADP8860_FADE_T_3500ms   11
+#define ADP8860_FADE_T_4000ms   12
+#define ADP8860_FADE_T_4500ms   13
+#define ADP8860_FADE_T_5000ms   14
+#define ADP8860_FADE_T_5500ms   15      /* 5.5 Sec */
+
+#define ADP8860_FADE_LAW_LINEAR 0
+#define ADP8860_FADE_LAW_SQUARE 1
+#define ADP8860_FADE_LAW_CUBIC1 2
+#define ADP8860_FADE_LAW_CUBIC2 3
+
+#define ADP8860_BL_AMBL_FILT_80ms       0       /* Light sensor filter time */
+#define ADP8860_BL_AMBL_FILT_160ms      1
+#define ADP8860_BL_AMBL_FILT_320ms      2
+#define ADP8860_BL_AMBL_FILT_640ms      3
+#define ADP8860_BL_AMBL_FILT_1280ms     4
+#define ADP8860_BL_AMBL_FILT_2560ms     5
+#define ADP8860_BL_AMBL_FILT_5120ms     6
+#define ADP8860_BL_AMBL_FILT_10240ms    7       /* 10.24 sec */
+
+/*
+ * Blacklight current 0..30mA
+ */
+#define ADP8860_BL_CUR_mA(I)            ((I * 127) / 30)
+
+/*
+ * L2 comparator current 0..1106uA
+ */
+#define ADP8860_L2_COMP_CURR_uA(I)      ((I * 255) / 1106)
+
+/*
+ * L3 comparator current 0..138uA
+ */
+#define ADP8860_L3_COMP_CURR_uA(I)      ((I * 255) / 138)
+
+struct adp8860_backlight_platform_data {
+        u8 bl_led_assign;       /* 1 = Backlight 0 = Individual LED */
+
+        u8 bl_fade_in;          /* Backlight Fade-In Timer */
+        u8 bl_fade_out;         /* Backlight Fade-Out Timer */
+        u8 bl_fade_law;         /* fade-on/fade-off transfer characteristic */
+
+        u8 en_ambl_sens;        /* 1 = enable ambient light sensor */
+        u8 abml_filt;           /* Light sensor filter time */
+
+        u8 l1_daylight_max;     /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+        u8 l1_daylight_dim;     /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+        u8 l2_office_max;       /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+        u8 l2_office_dim;       /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+        u8 l3_dark_max;         /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+        u8 l3_dark_dim;         /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+
+        u8 l2_trip;             /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+        u8 l2_hyst;             /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+        u8 l3_trip;             /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
+        u8 l3_hyst;             /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
+
+        /**
+         * Independent Current Sinks / LEDS
+         * Sinks not assigned to the Backlight can be exposed to
+         * user space using the LEDS CLASS interface
+         */
+
+        int num_leds;
+        struct led_info *leds;
+        u8 led_fade_in;         /* LED Fade-In Timer */
+        u8 led_fade_out;        /* LED Fade-Out Timer */
+        u8 led_fade_law;        /* fade-on/fade-off transfer characteristic */
+        u8 led_on_time;
+
+        /**
+         * Gain down disable. Setting this option does not allow the
+         * charge pump to switch to lower gains. NOT AVAILABLE on ADP8860
+         * 1 = the charge pump doesn't switch down in gain until all LEDs are 0.
+         *  The charge pump switches up in gain as needed. This feature is
+         *  useful if the ADP8863 charge pump is used to drive an external load.
+         *  This feature must be used when utilizing small fly capacitors
+         *  (0402 or smaller).
+         * 0 = the charge pump automatically switches up and down in gain.
+         *  This provides optimal efficiency, but is not suitable for driving
+         *  loads that are not connected through the ADP8863 diode drivers.
+         *  Additionally, the charge pump fly capacitors should be low ESR
+         * and sized 0603 or greater.
+         */
+
+        u8 gdwn_dis;
+};
+
+#endif /* __LINUX_I2C_ADP8860_H */
diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index c67fecafff90..8877123f2d6e 100644
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -69,6 +69,29 @@ struct lcd_device {
         struct device dev;
 };
 
+struct lcd_platform_data {
+        /* reset lcd panel device. */
+        int (*reset)(struct lcd_device *ld);
+        /* on or off to lcd panel. if 'enable' is 0 then
+           lcd power off and 1, lcd power on. */
+        int (*power_on)(struct lcd_device *ld, int enable);
+
+        /* it indicates whether lcd panel was enabled
+           from bootloader or not. */
+        int lcd_enabled;
+        /* it means delay for stable time when it becomes low to high
+           or high to low that is dependent on whether reset gpio is
+           low active or high active. */
+        unsigned int reset_delay;
+        /* stable time needing to become lcd power on. */
+        unsigned int power_on_delay;
+        /* stable time needing to become lcd power off. */
+        unsigned int power_off_delay;
+
+        /* it could be used for any purpose. */
+        void *pdata;
+};
+
 static inline void lcd_set_power(struct lcd_device *ld, int power)
 {
         mutex_lock(&ld->update_lock);
diff --git a/include/linux/mfd/pcf50633/backlight.h b/include/linux/mfd/pcf50633/backlight.h
new file mode 100644
index 000000000000..83747e217b27
--- /dev/null
+++ b/include/linux/mfd/pcf50633/backlight.h
@@ -0,0 +1,51 @@
+/*
+ *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ *      PCF50633 backlight device driver
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __LINUX_MFD_PCF50633_BACKLIGHT
+#define __LINUX_MFD_PCF50633_BACKLIGHT
+
+/*
+* @default_brightness: Backlight brightness is initialized to this value
+*
+* Brightness to be used after the driver has been probed.
+* Valid range 0-63.
+*
+* @default_brightness_limit: The actual brightness is limited by this value
+*
+* Brightness limit to be used after the driver has been probed. This is useful
+* when it is not known how much power is available for the backlight during
+* probe.
+* Valid range 0-63. Can be changed later with pcf50633_bl_set_brightness_limit.
+*
+* @ramp_time: Display ramp time when changing brightness
+*
+* When changing the backlights brightness the change is not instant, instead
+* it fades smooth from one state to another. This value specifies how long
+* the fade should take. The lower the value the higher the fade time.
+* Valid range 0-255
+*/
+struct pcf50633_bl_platform_data {
+        unsigned int    default_brightness;
+        unsigned int    default_brightness_limit;
+        uint8_t         ramp_time;
+};
+
+
+struct pcf50633;
+
+int pcf50633_bl_set_brightness_limit(struct pcf50633 *pcf, unsigned int limit);
+
+#endif
+
diff --git a/include/linux/mfd/pcf50633/core.h b/include/linux/mfd/pcf50633/core.h
index 3398bd9aab11..ad411a78870c 100644
--- a/include/linux/mfd/pcf50633/core.h
+++ b/include/linux/mfd/pcf50633/core.h
@@ -18,6 +18,7 @@
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 #include <linux/power_supply.h>
+#include <linux/mfd/pcf50633/backlight.h>
 
 struct pcf50633;
 
@@ -43,6 +44,8 @@ struct pcf50633_platform_data {
         void (*force_shutdown)(struct pcf50633 *);
 
         u8 resumers[5];
+
+        struct pcf50633_bl_platform_data *backlight_data;
 };
 
 struct pcf50633_irq {
@@ -152,6 +155,7 @@ struct pcf50633 {
         struct platform_device *mbc_pdev;
         struct platform_device *adc_pdev;
         struct platform_device *input_pdev;
+        struct platform_device *bl_pdev;
         struct platform_device *regulator_pdev[PCF50633_NUM_REGULATORS];
 };