Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

7 files changed, 326 insertions, 21 deletions

diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h
index f509877c2ed4..76579f964a29 100644
--- a/include/linux/regulator/ab8500.h
+++ b/include/linux/regulator/ab8500.h
@@ -3,23 +3,72 @@
  *
  * License Terms: GNU General Public License v2
  *
- * Author: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
- *
+ * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
+ *          Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
  */
 
 #ifndef __LINUX_MFD_AB8500_REGULATOR_H
 #define __LINUX_MFD_AB8500_REGULATOR_H
 
 /* AB8500 regulators */
-#define AB8500_LDO_AUX1         0
-#define AB8500_LDO_AUX2         1
-#define AB8500_LDO_AUX3         2
-#define AB8500_LDO_INTCORE      3
-#define AB8500_LDO_TVOUT        4
-#define AB8500_LDO_AUDIO        5
-#define AB8500_LDO_ANAMIC1      6
-#define AB8500_LDO_ANAMIC2      7
-#define AB8500_LDO_DMIC         8
-#define AB8500_LDO_ANA          9
+enum ab8500_regulator_id {
+        AB8500_LDO_AUX1,
+        AB8500_LDO_AUX2,
+        AB8500_LDO_AUX3,
+        AB8500_LDO_INTCORE,
+        AB8500_LDO_TVOUT,
+        AB8500_LDO_USB,
+        AB8500_LDO_AUDIO,
+        AB8500_LDO_ANAMIC1,
+        AB8500_LDO_ANAMIC2,
+        AB8500_LDO_DMIC,
+        AB8500_LDO_ANA,
+        AB8500_NUM_REGULATORS,
+};
+
+/* AB8500 register initialization */
+struct ab8500_regulator_reg_init {
+        int id;
+        u8 value;
+};
+
+#define INIT_REGULATOR_REGISTER(_id, _value)    \
+        {                                       \
+                .id = _id,                      \
+                .value = _value,                \
+        }
+
+/* AB8500 registers */
+enum ab8500_regulator_reg {
+        AB8500_REGUREQUESTCTRL2,
+        AB8500_REGUREQUESTCTRL3,
+        AB8500_REGUREQUESTCTRL4,
+        AB8500_REGUSYSCLKREQ1HPVALID1,
+        AB8500_REGUSYSCLKREQ1HPVALID2,
+        AB8500_REGUHWHPREQ1VALID1,
+        AB8500_REGUHWHPREQ1VALID2,
+        AB8500_REGUHWHPREQ2VALID1,
+        AB8500_REGUHWHPREQ2VALID2,
+        AB8500_REGUSWHPREQVALID1,
+        AB8500_REGUSWHPREQVALID2,
+        AB8500_REGUSYSCLKREQVALID1,
+        AB8500_REGUSYSCLKREQVALID2,
+        AB8500_REGUMISC1,
+        AB8500_VAUDIOSUPPLY,
+        AB8500_REGUCTRL1VAMIC,
+        AB8500_VPLLVANAREGU,
+        AB8500_VREFDDR,
+        AB8500_EXTSUPPLYREGU,
+        AB8500_VAUX12REGU,
+        AB8500_VRF1VAUX3REGU,
+        AB8500_VAUX1SEL,
+        AB8500_VAUX2SEL,
+        AB8500_VRF1VAUX3SEL,
+        AB8500_REGUCTRL2SPARE,
+        AB8500_REGUCTRLDISCH,
+        AB8500_REGUCTRLDISCH2,
+        AB8500_VSMPS1SEL1,
+        AB8500_NUM_REGULATOR_REGISTERS,
+};
 
 #endif
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index ebd747265294..9e87c1cb7270 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -153,7 +153,10 @@ int regulator_list_voltage(struct regulator *regulator, unsigned selector);
 int regulator_is_supported_voltage(struct regulator *regulator,
                                    int min_uV, int max_uV);
 int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV);
+int regulator_set_voltage_time(struct regulator *regulator,
+                               int old_uV, int new_uV);
 int regulator_get_voltage(struct regulator *regulator);
+int regulator_sync_voltage(struct regulator *regulator);
 int regulator_set_current_limit(struct regulator *regulator,
                                int min_uA, int max_uA);
 int regulator_get_current_limit(struct regulator *regulator);
diff --git a/include/linux/regulator/db8500-prcmu.h b/include/linux/regulator/db8500-prcmu.h
new file mode 100644
index 000000000000..612062313b68
--- /dev/null
+++ b/include/linux/regulator/db8500-prcmu.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
+ *
+ * Interface to power domain regulators on DB8500
+ */
+
+#ifndef __REGULATOR_H__
+#define __REGULATOR_H__
+
+/* Number of DB8500 regulators and regulator enumeration */
+enum db8500_regulator_id {
+        DB8500_REGULATOR_VAPE,
+        DB8500_REGULATOR_VARM,
+        DB8500_REGULATOR_VMODEM,
+        DB8500_REGULATOR_VPLL,
+        DB8500_REGULATOR_VSMPS1,
+        DB8500_REGULATOR_VSMPS2,
+        DB8500_REGULATOR_VSMPS3,
+        DB8500_REGULATOR_VRF1,
+        DB8500_REGULATOR_SWITCH_SVAMMDSP,
+        DB8500_REGULATOR_SWITCH_SVAMMDSPRET,
+        DB8500_REGULATOR_SWITCH_SVAPIPE,
+        DB8500_REGULATOR_SWITCH_SIAMMDSP,
+        DB8500_REGULATOR_SWITCH_SIAMMDSPRET,
+        DB8500_REGULATOR_SWITCH_SIAPIPE,
+        DB8500_REGULATOR_SWITCH_SGA,
+        DB8500_REGULATOR_SWITCH_B2R2_MCDE,
+        DB8500_REGULATOR_SWITCH_ESRAM12,
+        DB8500_REGULATOR_SWITCH_ESRAM12RET,
+        DB8500_REGULATOR_SWITCH_ESRAM34,
+        DB8500_REGULATOR_SWITCH_ESRAM34RET,
+        DB8500_NUM_REGULATORS
+};
+
+/*
+ * Exported interface for CPUIdle only. This function is called with all
+ * interrupts turned off.
+ */
+int power_state_active_is_enabled(void);
+
+#endif
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 592cd7c642c2..6c433b89c80d 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -42,7 +42,11 @@ enum regulator_status {
  *
  * @set_voltage: Set the voltage for the regulator within the range specified.
  *               The driver should select the voltage closest to min_uV.
+ * @set_voltage_sel: Set the voltage for the regulator using the specified
+ *                   selector.
  * @get_voltage: Return the currently configured voltage for the regulator.
+ * @get_voltage_sel: Return the currently configured voltage selector for the
+ *                   regulator.
  * @list_voltage: Return one of the supported voltages, in microvolts; zero
  *      if the selector indicates a voltage that is unusable on this system;
  *      or negative errno.  Selectors range from zero to one less than
@@ -59,7 +63,11 @@ enum regulator_status {
  *                    when running with the specified parameters.
  *
  * @enable_time: Time taken for the regulator voltage output voltage to
- *               stabalise after being enabled, in microseconds.
+ *               stabilise after being enabled, in microseconds.
+ * @set_voltage_time_sel: Time taken for the regulator voltage output voltage
+ *               to stabilise after being set to a new value, in microseconds.
+ *               The function provides the from and to voltage selector, the
+ *               function should return the worst case.
  *
  * @set_suspend_voltage: Set the voltage for the regulator when the system
  *                       is suspended.
@@ -79,8 +87,11 @@ struct regulator_ops {
         int (*list_voltage) (struct regulator_dev *, unsigned selector);
 
         /* get/set regulator voltage */
-        int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV);
+        int (*set_voltage) (struct regulator_dev *, int min_uV, int max_uV,
+                            unsigned *selector);
+        int (*set_voltage_sel) (struct regulator_dev *, unsigned selector);
         int (*get_voltage) (struct regulator_dev *);
+        int (*get_voltage_sel) (struct regulator_dev *);
 
         /* get/set regulator current  */
         int (*set_current_limit) (struct regulator_dev *,
@@ -96,8 +107,11 @@ struct regulator_ops {
         int (*set_mode) (struct regulator_dev *, unsigned int mode);
         unsigned int (*get_mode) (struct regulator_dev *);
 
-        /* Time taken to enable the regulator */
+        /* Time taken to enable or set voltage on the regulator */
         int (*enable_time) (struct regulator_dev *);
+        int (*set_voltage_time_sel) (struct regulator_dev *,
+                                     unsigned int old_selector,
+                                     unsigned int new_selector);
 
         /* report regulator status ... most other accessors report
          * control inputs, this reports results of combining inputs
@@ -168,9 +182,9 @@ struct regulator_desc {
  */
 struct regulator_dev {
         struct regulator_desc *desc;
-        int use_count;
-        int open_count;
         int exclusive;
+        u32 use_count;
+        u32 open_count;
 
         /* lists we belong to */
         struct list_head list; /* list of all regulators */
@@ -188,10 +202,14 @@ struct regulator_dev {
         struct regulator_dev *supply;   /* for tree */
 
         void *reg_data;         /* regulator_dev data */
+
+#ifdef CONFIG_DEBUG_FS
+        struct dentry *debugfs;
+#endif
 };
 
 struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
-        struct device *dev, struct regulator_init_data *init_data,
+        struct device *dev, const struct regulator_init_data *init_data,
         void *driver_data);
 void regulator_unregister(struct regulator_dev *rdev);
 
diff --git a/include/linux/regulator/lp3972.h b/include/linux/regulator/lp3972.h
new file mode 100644
index 000000000000..9bb7389b7a1e
--- /dev/null
+++ b/include/linux/regulator/lp3972.h
@@ -0,0 +1,48 @@
+/*
+ * National Semiconductors LP3972 PMIC chip client interface
+ *
+ * Based on lp3971.h
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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_REGULATOR_LP3972_H
+#define __LINUX_REGULATOR_LP3972_H
+
+#include <linux/regulator/machine.h>
+
+#define LP3972_LDO1  0
+#define LP3972_LDO2  1
+#define LP3972_LDO3  2
+#define LP3972_LDO4  3
+#define LP3972_LDO5  4
+
+#define LP3972_DCDC1 5
+#define LP3972_DCDC2 6
+#define LP3972_DCDC3 7
+
+#define LP3972_NUM_REGULATORS 8
+
+struct lp3972_regulator_subdev {
+        int id;
+        struct regulator_init_data *initdata;
+};
+
+struct lp3972_platform_data {
+        int num_regulators;
+        struct lp3972_regulator_subdev *regulators;
+};
+
+#endif
diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h
index e2980287245e..ce3127a75c88 100644
--- a/include/linux/regulator/machine.h
+++ b/include/linux/regulator/machine.h
@@ -68,6 +68,8 @@ struct regulator_state {
  *
  * @min_uV: Smallest voltage consumers may set.
  * @max_uV: Largest voltage consumers may set.
+ * @uV_offset: Offset applied to voltages from consumer to compensate for
+ *             voltage drops.
  *
  * @min_uA: Smallest consumers consumers may set.
  * @max_uA: Largest current consumers may set.
@@ -99,6 +101,8 @@ struct regulation_constraints {
         int min_uV;
         int max_uV;
 
+        int uV_offset;
+
         /* current output range (inclusive) - for current control */
         int min_uA;
         int max_uA;
@@ -160,8 +164,6 @@ struct regulator_consumer_supply {
  * @supply_regulator: Parent regulator.  Specified using the regulator name
  *                    as it appears in the name field in sysfs, which can
  *                    be explicitly set using the constraints field 'name'.
- * @supply_regulator_dev: Parent regulator (if any) - DEPRECATED in favour
- *                        of supply_regulator.
  *
  * @constraints: Constraints.  These must be specified for the regulator to
  *               be usable.
@@ -173,7 +175,6 @@ struct regulator_consumer_supply {
  */
 struct regulator_init_data {
         const char *supply_regulator;        /* or NULL for system supply */
-        struct device *supply_regulator_dev; /* or NULL for system supply */
 
         struct regulation_constraints constraints;
 
@@ -186,13 +187,19 @@ struct regulator_init_data {
 };
 
 int regulator_suspend_prepare(suspend_state_t state);
+int regulator_suspend_finish(void);
 
 #ifdef CONFIG_REGULATOR
 void regulator_has_full_constraints(void);
+void regulator_use_dummy_regulator(void);
 #else
 static inline void regulator_has_full_constraints(void)
 {
 }
+
+static inline void regulator_use_dummy_regulator(void)
+{
+}
 #endif
 
 #endif
diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h
new file mode 100644
index 000000000000..45e42855ad05
--- /dev/null
+++ b/include/linux/regulator/max8952.h
@@ -0,0 +1,135 @@
+/*
+ * max8952.h - Voltage regulation for the Maxim 8952
+ *
+ *  Copyright (C) 2010 Samsung Electrnoics
+ *  MyungJoo Ham <myungjoo.ham@samsung.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef REGULATOR_MAX8952
+#define REGULATOR_MAX8952
+
+#include <linux/regulator/machine.h>
+
+enum {
+        MAX8952_DVS_MODE0,
+        MAX8952_DVS_MODE1,
+        MAX8952_DVS_MODE2,
+        MAX8952_DVS_MODE3,
+};
+
+enum {
+        MAX8952_DVS_770mV = 0,
+        MAX8952_DVS_780mV,
+        MAX8952_DVS_790mV,
+        MAX8952_DVS_800mV,
+        MAX8952_DVS_810mV,
+        MAX8952_DVS_820mV,
+        MAX8952_DVS_830mV,
+        MAX8952_DVS_840mV,
+        MAX8952_DVS_850mV,
+        MAX8952_DVS_860mV,
+        MAX8952_DVS_870mV,
+        MAX8952_DVS_880mV,
+        MAX8952_DVS_890mV,
+        MAX8952_DVS_900mV,
+        MAX8952_DVS_910mV,
+        MAX8952_DVS_920mV,
+        MAX8952_DVS_930mV,
+        MAX8952_DVS_940mV,
+        MAX8952_DVS_950mV,
+        MAX8952_DVS_960mV,
+        MAX8952_DVS_970mV,
+        MAX8952_DVS_980mV,
+        MAX8952_DVS_990mV,
+        MAX8952_DVS_1000mV,
+        MAX8952_DVS_1010mV,
+        MAX8952_DVS_1020mV,
+        MAX8952_DVS_1030mV,
+        MAX8952_DVS_1040mV,
+        MAX8952_DVS_1050mV,
+        MAX8952_DVS_1060mV,
+        MAX8952_DVS_1070mV,
+        MAX8952_DVS_1080mV,
+        MAX8952_DVS_1090mV,
+        MAX8952_DVS_1100mV,
+        MAX8952_DVS_1110mV,
+        MAX8952_DVS_1120mV,
+        MAX8952_DVS_1130mV,
+        MAX8952_DVS_1140mV,
+        MAX8952_DVS_1150mV,
+        MAX8952_DVS_1160mV,
+        MAX8952_DVS_1170mV,
+        MAX8952_DVS_1180mV,
+        MAX8952_DVS_1190mV,
+        MAX8952_DVS_1200mV,
+        MAX8952_DVS_1210mV,
+        MAX8952_DVS_1220mV,
+        MAX8952_DVS_1230mV,
+        MAX8952_DVS_1240mV,
+        MAX8952_DVS_1250mV,
+        MAX8952_DVS_1260mV,
+        MAX8952_DVS_1270mV,
+        MAX8952_DVS_1280mV,
+        MAX8952_DVS_1290mV,
+        MAX8952_DVS_1300mV,
+        MAX8952_DVS_1310mV,
+        MAX8952_DVS_1320mV,
+        MAX8952_DVS_1330mV,
+        MAX8952_DVS_1340mV,
+        MAX8952_DVS_1350mV,
+        MAX8952_DVS_1360mV,
+        MAX8952_DVS_1370mV,
+        MAX8952_DVS_1380mV,
+        MAX8952_DVS_1390mV,
+        MAX8952_DVS_1400mV,
+};
+
+enum {
+        MAX8952_SYNC_FREQ_26MHZ, /* Default */
+        MAX8952_SYNC_FREQ_13MHZ,
+        MAX8952_SYNC_FREQ_19_2MHZ,
+};
+
+enum {
+        MAX8952_RAMP_32mV_us = 0, /* Default */
+        MAX8952_RAMP_16mV_us,
+        MAX8952_RAMP_8mV_us,
+        MAX8952_RAMP_4mV_us,
+        MAX8952_RAMP_2mV_us,
+        MAX8952_RAMP_1mV_us,
+        MAX8952_RAMP_0_5mV_us,
+        MAX8952_RAMP_0_25mV_us,
+};
+
+#define MAX8952_NUM_DVS_MODE    4
+
+struct max8952_platform_data {
+        int gpio_vid0;
+        int gpio_vid1;
+        int gpio_en;
+
+        u8 default_mode;
+        u8 dvs_mode[MAX8952_NUM_DVS_MODE]; /* MAX8952_DVS_MODEx_XXXXmV */
+
+        u8 sync_freq;
+        u8 ramp_speed;
+
+        struct regulator_init_data reg_data;
+};
+
+
+#endif /* REGULATOR_MAX8952 */