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Commit b7d845f8 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (36 commits)
  mfd: Clearing events requires event registers to be writable for da9052-core
  mfd: Fix annotations in da9052-core
  gpiolib: Mark da9052 driver broken
  mfd: Declare da9052_regmap_config for the bus drivers
  MFD: DA9052/53 MFD core module add SPI support v2
  MFD: DA9052/53 MFD core module
  regmap: Add irq_base accessor to regmap_irq
  regmap: Allow drivers to reinitialise the register cache at runtime
  regmap: Add trace event for successful cache reads
  regmap: Allow regmap_update_bits() users to detect changes
  regmap: Report if we actually handled an interrupt in regmap-irq
  regmap: Fix rbtreee build when not using debugfs
  regmap: Provide debugfs dump of the rbtree cache data
  regmap: Do debugfs init before cache init
  regmap: Suppress noop writes in regmap_update_bits()
  regmap: Remove indexed cache type
  regmap: Drop check whether a register is readable in regcache_read
  regmap: Properly round cache_word_size
  regmap: Add support for 10/14 register formating
  regmap: Try cached read before checking if a hardware read is possible
  ...
parents 2943c833 0a92815d
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Showing with 2542 additions and 157 deletions
drivers/base/regmap/Kconfig
View file @ b7d845f8
...@@ -13,3 +13,6 @@ config REGMAP_I2C ...@@ -13,3 +13,6 @@ config REGMAP_I2C
config REGMAP_SPI config REGMAP_SPI
tristate tristate
config REGMAP_IRQ
bool
drivers/base/regmap/Makefile
View file @ b7d845f8
obj-$(CONFIG_REGMAP) += regmap.o regcache.o regcache-indexed.o regcache-rbtree.o regcache-lzo.o obj-$(CONFIG_REGMAP) += regmap.o regcache.o
obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-lzo.o
obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
obj-$(CONFIG_REGMAP_SPI) += regmap-spi.o obj-$(CONFIG_REGMAP_SPI) += regmap-spi.o
obj-$(CONFIG_REGMAP_IRQ) += regmap-irq.o
drivers/base/regmap/internal.h
View file @ b7d845f8
...@@ -74,6 +74,7 @@ struct regmap { ...@@ -74,6 +74,7 @@ struct regmap {
struct reg_default *reg_defaults; struct reg_default *reg_defaults;
const void *reg_defaults_raw; const void *reg_defaults_raw;
void *cache; void *cache;
bool cache_dirty;
}; };
struct regcache_ops { struct regcache_ops {
...@@ -105,7 +106,7 @@ static inline void regmap_debugfs_exit(struct regmap *map) { } ...@@ -105,7 +106,7 @@ static inline void regmap_debugfs_exit(struct regmap *map) { }
#endif #endif
/* regcache core declarations */ /* regcache core declarations */
int regcache_init(struct regmap *map); int regcache_init(struct regmap *map, const struct regmap_config *config);
void regcache_exit(struct regmap *map); void regcache_exit(struct regmap *map);
int regcache_read(struct regmap *map, int regcache_read(struct regmap *map,
unsigned int reg, unsigned int *value); unsigned int reg, unsigned int *value);
...@@ -118,10 +119,7 @@ unsigned int regcache_get_val(const void *base, unsigned int idx, ...@@ -118,10 +119,7 @@ unsigned int regcache_get_val(const void *base, unsigned int idx,
bool regcache_set_val(void *base, unsigned int idx, bool regcache_set_val(void *base, unsigned int idx,
unsigned int val, unsigned int word_size); unsigned int val, unsigned int word_size);
int regcache_lookup_reg(struct regmap *map, unsigned int reg); int regcache_lookup_reg(struct regmap *map, unsigned int reg);
int regcache_insert_reg(struct regmap *map, unsigned int reg,
unsigned int val);
extern struct regcache_ops regcache_indexed_ops;
extern struct regcache_ops regcache_rbtree_ops; extern struct regcache_ops regcache_rbtree_ops;
extern struct regcache_ops regcache_lzo_ops; extern struct regcache_ops regcache_lzo_ops;
......
drivers/base/regmap/regcache-indexed.c deleted 100644 → 0
View file @ 2943c833
/*
* Register cache access API - indexed caching support
*
* Copyright 2011 Wolfson Microelectronics plc
*
* Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
*
* 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/slab.h>
#include "internal.h"
static int regcache_indexed_read(struct regmap *map, unsigned int reg,
unsigned int *value)
{
int ret;
ret = regcache_lookup_reg(map, reg);
if (ret >= 0)
*value = map->reg_defaults[ret].def;
return ret;
}
static int regcache_indexed_write(struct regmap *map, unsigned int reg,
unsigned int value)
{
int ret;
ret = regcache_lookup_reg(map, reg);
if (ret < 0)
return regcache_insert_reg(map, reg, value);
map->reg_defaults[ret].def = value;
return 0;
}
static int regcache_indexed_sync(struct regmap *map)
{
unsigned int i;
int ret;
for (i = 0; i < map->num_reg_defaults; i++) {
ret = _regmap_write(map, map->reg_defaults[i].reg,
map->reg_defaults[i].def);
if (ret < 0)
return ret;
dev_dbg(map->dev, "Synced register %#x, value %#x\n",
map->reg_defaults[i].reg,
map->reg_defaults[i].def);
}
return 0;
}
struct regcache_ops regcache_indexed_ops = {
.type = REGCACHE_INDEXED,
.name = "indexed",
.read = regcache_indexed_read,
.write = regcache_indexed_write,
.sync = regcache_indexed_sync
};
drivers/base/regmap/regcache-lzo.c
View file @ b7d845f8
...@@ -15,6 +15,8 @@ ...@@ -15,6 +15,8 @@
#include "internal.h" #include "internal.h"
static int regcache_lzo_exit(struct regmap *map);
struct regcache_lzo_ctx { struct regcache_lzo_ctx {
void *wmem; void *wmem;
void *dst; void *dst;
...@@ -27,7 +29,7 @@ struct regcache_lzo_ctx { ...@@ -27,7 +29,7 @@ struct regcache_lzo_ctx {
}; };
#define LZO_BLOCK_NUM 8 #define LZO_BLOCK_NUM 8
static int regcache_lzo_block_count(void) static int regcache_lzo_block_count(struct regmap *map)
{ {
return LZO_BLOCK_NUM; return LZO_BLOCK_NUM;
} }
...@@ -106,19 +108,22 @@ static inline int regcache_lzo_get_blkindex(struct regmap *map, ...@@ -106,19 +108,22 @@ static inline int regcache_lzo_get_blkindex(struct regmap *map,
unsigned int reg) unsigned int reg)
{ {
return (reg * map->cache_word_size) / return (reg * map->cache_word_size) /
DIV_ROUND_UP(map->cache_size_raw, regcache_lzo_block_count()); DIV_ROUND_UP(map->cache_size_raw,
regcache_lzo_block_count(map));
} }
static inline int regcache_lzo_get_blkpos(struct regmap *map, static inline int regcache_lzo_get_blkpos(struct regmap *map,
unsigned int reg) unsigned int reg)
{ {
return reg % (DIV_ROUND_UP(map->cache_size_raw, regcache_lzo_block_count()) / return reg % (DIV_ROUND_UP(map->cache_size_raw,
regcache_lzo_block_count(map)) /
map->cache_word_size); map->cache_word_size);
} }
static inline int regcache_lzo_get_blksize(struct regmap *map) static inline int regcache_lzo_get_blksize(struct regmap *map)
{ {
return DIV_ROUND_UP(map->cache_size_raw, regcache_lzo_block_count()); return DIV_ROUND_UP(map->cache_size_raw,
regcache_lzo_block_count(map));
} }
static int regcache_lzo_init(struct regmap *map) static int regcache_lzo_init(struct regmap *map)
...@@ -131,7 +136,7 @@ static int regcache_lzo_init(struct regmap *map) ...@@ -131,7 +136,7 @@ static int regcache_lzo_init(struct regmap *map)
ret = 0; ret = 0;
blkcount = regcache_lzo_block_count(); blkcount = regcache_lzo_block_count(map);
map->cache = kzalloc(blkcount * sizeof *lzo_blocks, map->cache = kzalloc(blkcount * sizeof *lzo_blocks,
GFP_KERNEL); GFP_KERNEL);
if (!map->cache) if (!map->cache)
...@@ -190,7 +195,7 @@ static int regcache_lzo_init(struct regmap *map) ...@@ -190,7 +195,7 @@ static int regcache_lzo_init(struct regmap *map)
return 0; return 0;
err: err:
regcache_exit(map); regcache_lzo_exit(map);
return ret; return ret;
} }
...@@ -203,7 +208,7 @@ static int regcache_lzo_exit(struct regmap *map) ...@@ -203,7 +208,7 @@ static int regcache_lzo_exit(struct regmap *map)
if (!lzo_blocks) if (!lzo_blocks)
return 0; return 0;
blkcount = regcache_lzo_block_count(); blkcount = regcache_lzo_block_count(map);
/* /*
* the pointer to the bitmap used for syncing the cache * the pointer to the bitmap used for syncing the cache
* is shared amongst all lzo_blocks. Ensure it is freed * is shared amongst all lzo_blocks. Ensure it is freed
...@@ -351,7 +356,7 @@ static int regcache_lzo_sync(struct regmap *map) ...@@ -351,7 +356,7 @@ static int regcache_lzo_sync(struct regmap *map)
} }
struct regcache_ops regcache_lzo_ops = { struct regcache_ops regcache_lzo_ops = {
.type = REGCACHE_LZO, .type = REGCACHE_COMPRESSED,
.name = "lzo", .name = "lzo",
.init = regcache_lzo_init, .init = regcache_lzo_init,
.exit = regcache_lzo_exit, .exit = regcache_lzo_exit,
......
drivers/base/regmap/regcache-rbtree.c
View file @ b7d845f8
...@@ -11,12 +11,15 @@ ...@@ -11,12 +11,15 @@
*/ */
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/debugfs.h>
#include <linux/rbtree.h> #include <linux/rbtree.h>
#include <linux/seq_file.h>
#include "internal.h" #include "internal.h"
static int regcache_rbtree_write(struct regmap *map, unsigned int reg, static int regcache_rbtree_write(struct regmap *map, unsigned int reg,
unsigned int value); unsigned int value);
static int regcache_rbtree_exit(struct regmap *map);
struct regcache_rbtree_node { struct regcache_rbtree_node {
/* the actual rbtree node holding this block */ /* the actual rbtree node holding this block */
...@@ -124,6 +127,60 @@ static int regcache_rbtree_insert(struct rb_root *root, ...@@ -124,6 +127,60 @@ static int regcache_rbtree_insert(struct rb_root *root,
return 1; return 1;
} }
#ifdef CONFIG_DEBUG_FS
static int rbtree_show(struct seq_file *s, void *ignored)
{
struct regmap *map = s->private;
struct regcache_rbtree_ctx *rbtree_ctx = map->cache;
struct regcache_rbtree_node *n;
struct rb_node *node;
unsigned int base, top;
int nodes = 0;
int registers = 0;
mutex_lock(&map->lock);
for (node = rb_first(&rbtree_ctx->root); node != NULL;
node = rb_next(node)) {
n = container_of(node, struct regcache_rbtree_node, node);
regcache_rbtree_get_base_top_reg(n, &base, &top);
seq_printf(s, "%x-%x (%d)\n", base, top, top - base + 1);
nodes++;
registers += top - base + 1;
}
seq_printf(s, "%d nodes, %d registers, average %d registers\n",
nodes, registers, registers / nodes);
mutex_unlock(&map->lock);
return 0;
}
static int rbtree_open(struct inode *inode, struct file *file)
{
return single_open(file, rbtree_show, inode->i_private);
}
static const struct file_operations rbtree_fops = {
.open = rbtree_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void rbtree_debugfs_init(struct regmap *map)
{
debugfs_create_file("rbtree", 0400, map->debugfs, map, &rbtree_fops);
}
#else
static void rbtree_debugfs_init(struct regmap *map)
{
}
#endif
static int regcache_rbtree_init(struct regmap *map) static int regcache_rbtree_init(struct regmap *map)
{ {
struct regcache_rbtree_ctx *rbtree_ctx; struct regcache_rbtree_ctx *rbtree_ctx;
...@@ -146,10 +203,12 @@ static int regcache_rbtree_init(struct regmap *map) ...@@ -146,10 +203,12 @@ static int regcache_rbtree_init(struct regmap *map)
goto err; goto err;
} }
rbtree_debugfs_init(map);
return 0; return 0;
err: err:
regcache_exit(map); regcache_rbtree_exit(map);
return ret; return ret;
} }
......
drivers/base/regmap/regcache.c
View file @ b7d845f8
...@@ -19,7 +19,6 @@ ...@@ -19,7 +19,6 @@
#include "internal.h" #include "internal.h"
static const struct regcache_ops *cache_types[] = { static const struct regcache_ops *cache_types[] = {
&regcache_indexed_ops,
&regcache_rbtree_ops, &regcache_rbtree_ops,
&regcache_lzo_ops, &regcache_lzo_ops,
}; };
...@@ -61,8 +60,10 @@ static int regcache_hw_init(struct regmap *map) ...@@ -61,8 +60,10 @@ static int regcache_hw_init(struct regmap *map)
map->reg_defaults = kmalloc(count * sizeof(struct reg_default), map->reg_defaults = kmalloc(count * sizeof(struct reg_default),
GFP_KERNEL); GFP_KERNEL);
if (!map->reg_defaults) if (!map->reg_defaults) {
return -ENOMEM; ret = -ENOMEM;
goto err_free;
}
/* fill the reg_defaults */ /* fill the reg_defaults */
map->num_reg_defaults = count; map->num_reg_defaults = count;
...@@ -77,9 +78,15 @@ static int regcache_hw_init(struct regmap *map) ...@@ -77,9 +78,15 @@ static int regcache_hw_init(struct regmap *map)
} }
return 0; return 0;
err_free:
if (map->cache_free)
kfree(map->reg_defaults_raw);
return ret;
} }
int regcache_init(struct regmap *map) int regcache_init(struct regmap *map, const struct regmap_config *config)
{ {
int ret; int ret;
int i; int i;
...@@ -100,6 +107,12 @@ int regcache_init(struct regmap *map) ...@@ -100,6 +107,12 @@ int regcache_init(struct regmap *map)
return -EINVAL; return -EINVAL;
} }
map->num_reg_defaults = config->num_reg_defaults;
map->num_reg_defaults_raw = config->num_reg_defaults_raw;
map->reg_defaults_raw = config->reg_defaults_raw;
map->cache_word_size = DIV_ROUND_UP(config->val_bits, 8);
map->cache_size_raw = map->cache_word_size * config->num_reg_defaults_raw;
map->cache = NULL; map->cache = NULL;
map->cache_ops = cache_types[i]; map->cache_ops = cache_types[i];
...@@ -112,10 +125,10 @@ int regcache_init(struct regmap *map) ...@@ -112,10 +125,10 @@ int regcache_init(struct regmap *map)
* won't vanish from under us. We'll need to make * won't vanish from under us. We'll need to make
* a copy of it. * a copy of it.
*/ */
if (map->reg_defaults) { if (config->reg_defaults) {
if (!map->num_reg_defaults) if (!map->num_reg_defaults)
return -EINVAL; return -EINVAL;
tmp_buf = kmemdup(map->reg_defaults, map->num_reg_defaults * tmp_buf = kmemdup(config->reg_defaults, map->num_reg_defaults *
sizeof(struct reg_default), GFP_KERNEL); sizeof(struct reg_default), GFP_KERNEL);
if (!tmp_buf) if (!tmp_buf)
return -ENOMEM; return -ENOMEM;
...@@ -136,9 +149,18 @@ int regcache_init(struct regmap *map) ...@@ -136,9 +149,18 @@ int regcache_init(struct regmap *map)
if (map->cache_ops->init) { if (map->cache_ops->init) {
dev_dbg(map->dev, "Initializing %s cache\n", dev_dbg(map->dev, "Initializing %s cache\n",
map->cache_ops->name); map->cache_ops->name);
return map->cache_ops->init(map); ret = map->cache_ops->init(map);
if (ret)
goto err_free;
} }
return 0; return 0;
err_free:
kfree(map->reg_defaults);
if (map->cache_free)
kfree(map->reg_defaults_raw);
return ret;
} }
void regcache_exit(struct regmap *map) void regcache_exit(struct regmap *map)
...@@ -171,16 +193,21 @@ void regcache_exit(struct regmap *map) ...@@ -171,16 +193,21 @@ void regcache_exit(struct regmap *map)
int regcache_read(struct regmap *map, int regcache_read(struct regmap *map,
unsigned int reg, unsigned int *value) unsigned int reg, unsigned int *value)
{ {
int ret;
if (map->cache_type == REGCACHE_NONE) if (map->cache_type == REGCACHE_NONE)
return -ENOSYS; return -ENOSYS;
BUG_ON(!map->cache_ops); BUG_ON(!map->cache_ops);
if (!regmap_readable(map, reg)) if (!regmap_volatile(map, reg)) {
return -EIO; ret = map->cache_ops->read(map, reg, value);
if (!regmap_volatile(map, reg)) if (ret == 0)
return map->cache_ops->read(map, reg, value); trace_regmap_reg_read_cache(map->dev, reg, *value);
return ret;
}
return -EINVAL; return -EINVAL;
} }
...@@ -241,6 +268,8 @@ int regcache_sync(struct regmap *map) ...@@ -241,6 +268,8 @@ int regcache_sync(struct regmap *map)
map->cache_ops->name); map->cache_ops->name);
name = map->cache_ops->name; name = map->cache_ops->name;
trace_regcache_sync(map->dev, name, "start"); trace_regcache_sync(map->dev, name, "start");
if (!map->cache_dirty)
goto out;
if (map->cache_ops->sync) { if (map->cache_ops->sync) {
ret = map->cache_ops->sync(map); ret = map->cache_ops->sync(map);
} else { } else {
...@@ -290,6 +319,23 @@ void regcache_cache_only(struct regmap *map, bool enable) ...@@ -290,6 +319,23 @@ void regcache_cache_only(struct regmap *map, bool enable)
} }
EXPORT_SYMBOL_GPL(regcache_cache_only); EXPORT_SYMBOL_GPL(regcache_cache_only);
/**
* regcache_mark_dirty: Mark the register cache as dirty
*
* @map: map to mark
*
* Mark the register cache as dirty, for example due to the device
* having been powered down for suspend. If the cache is not marked
* as dirty then the cache sync will be suppressed.
*/
void regcache_mark_dirty(struct regmap *map)
{
mutex_lock(&map->lock);
map->cache_dirty = true;
mutex_unlock(&map->lock);
}
EXPORT_SYMBOL_GPL(regcache_mark_dirty);
/** /**
* regcache_cache_bypass: Put a register map into cache bypass mode * regcache_cache_bypass: Put a register map into cache bypass mode
* *
...@@ -381,22 +427,3 @@ int regcache_lookup_reg(struct regmap *map, unsigned int reg) ...@@ -381,22 +427,3 @@ int regcache_lookup_reg(struct regmap *map, unsigned int reg)
else else
return -ENOENT; return -ENOENT;
} }
int regcache_insert_reg(struct regmap *map, unsigned int reg,
unsigned int val)
{
void *tmp;
tmp = krealloc(map->reg_defaults,
(map->num_reg_defaults + 1) * sizeof(struct reg_default),
GFP_KERNEL);
if (!tmp)
return -ENOMEM;
map->reg_defaults = tmp;
map->num_reg_defaults++;
map->reg_defaults[map->num_reg_defaults - 1].reg = reg;
map->reg_defaults[map->num_reg_defaults - 1].def = val;
sort(map->reg_defaults, map->num_reg_defaults,
sizeof(struct reg_default), regcache_default_cmp, NULL);
return 0;
}
drivers/base/regmap/regmap-irq.c 0 → 100644
View file @ b7d845f8
/*
* regmap based irq_chip
*
* Copyright 2011 Wolfson Microelectronics plc
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* 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/export.h>
#include <linux/regmap.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include "internal.h"
struct regmap_irq_chip_data {
struct mutex lock;
struct regmap *map;
struct regmap_irq_chip *chip;
int irq_base;
void *status_reg_buf;
unsigned int *status_buf;
unsigned int *mask_buf;
unsigned int *mask_buf_def;
};
static inline const
struct regmap_irq *irq_to_regmap_irq(struct regmap_irq_chip_data *data,
int irq)
{
return &data->chip->irqs[irq - data->irq_base];
}
static void regmap_irq_lock(struct irq_data *data)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
mutex_lock(&d->lock);
}
static void regmap_irq_sync_unlock(struct irq_data *data)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
int i, ret;
/*
* If there's been a change in the mask write it back to the
* hardware. We rely on the use of the regmap core cache to
* suppress pointless writes.
*/
for (i = 0; i < d->chip->num_regs; i++) {
ret = regmap_update_bits(d->map, d->chip->mask_base + i,
d->mask_buf_def[i], d->mask_buf[i]);
if (ret != 0)
dev_err(d->map->dev, "Failed to sync masks in %x\n",
d->chip->mask_base + i);
}
mutex_unlock(&d->lock);
}
static void regmap_irq_enable(struct irq_data *data)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
const struct regmap_irq *irq_data = irq_to_regmap_irq(d, data->irq);
d->mask_buf[irq_data->reg_offset] &= ~irq_data->mask;
}
static void regmap_irq_disable(struct irq_data *data)
{
struct regmap_irq_chip_data *d = irq_data_get_irq_chip_data(data);
const struct regmap_irq *irq_data = irq_to_regmap_irq(d, data->irq);
d->mask_buf[irq_data->reg_offset] |= irq_data->mask;
}
static struct irq_chip regmap_irq_chip = {
.name = "regmap",
.irq_bus_lock = regmap_irq_lock,
.irq_bus_sync_unlock = regmap_irq_sync_unlock,
.irq_disable = regmap_irq_disable,
.irq_enable = regmap_irq_enable,
};
static irqreturn_t regmap_irq_thread(int irq, void *d)
{
struct regmap_irq_chip_data *data = d;
struct regmap_irq_chip *chip = data->chip;
struct regmap *map = data->map;
int ret, i;
u8 *buf8 = data->status_reg_buf;
u16 *buf16 = data->status_reg_buf;
u32 *buf32 = data->status_reg_buf;
bool handled = false;
ret = regmap_bulk_read(map, chip->status_base, data->status_reg_buf,
chip->num_regs);
if (ret != 0) {
dev_err(map->dev, "Failed to read IRQ status: %d\n", ret);
return IRQ_NONE;
}
/*
* Ignore masked IRQs and ack if we need to; we ack early so
* there is no race between handling and acknowleding the
* interrupt. We assume that typically few of the interrupts
* will fire simultaneously so don't worry about overhead from
* doing a write per register.
*/
for (i = 0; i < data->chip->num_regs; i++) {
switch (map->format.val_bytes) {
case 1:
data->status_buf[i] = buf8[i];
break;
case 2:
data->status_buf[i] = buf16[i];
break;
case 4:
data->status_buf[i] = buf32[i];
break;
default:
BUG();
return IRQ_NONE;
}
data->status_buf[i] &= ~data->mask_buf[i];
if (data->status_buf[i] && chip->ack_base) {
ret = regmap_write(map, chip->ack_base + i,
data->status_buf[i]);
if (ret != 0)
dev_err(map->dev, "Failed to ack 0x%x: %d\n",
chip->ack_base + i, ret);
}
}
for (i = 0; i < chip->num_irqs; i++) {
if (data->status_buf[chip->irqs[i].reg_offset] &
chip->irqs[i].mask) {
handle_nested_irq(data->irq_base + i);
handled = true;
}
}
if (handled)
return IRQ_HANDLED;
else
return IRQ_NONE;
}
/**
* regmap_add_irq_chip(): Use standard regmap IRQ controller handling
*
* map: The regmap for the device.
* irq: The IRQ the device uses to signal interrupts
* irq_flags: The IRQF_ flags to use for the primary interrupt.
* chip: Configuration for the interrupt controller.
* data: Runtime data structure for the controller, allocated on success
*
* Returns 0 on success or an errno on failure.
*
* In order for this to be efficient the chip really should use a
* register cache. The chip driver is responsible for restoring the
* register values used by the IRQ controller over suspend and resume.
*/
int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
int irq_base, struct regmap_irq_chip *chip,
struct regmap_irq_chip_data **data)
{
struct regmap_irq_chip_data *d;
int cur_irq, i;
int ret = -ENOMEM;
irq_base = irq_alloc_descs(irq_base, 0, chip->num_irqs, 0);
if (irq_base < 0) {
dev_warn(map->dev, "Failed to allocate IRQs: %d\n",
irq_base);
return irq_base;
}
d = kzalloc(sizeof(*d), GFP_KERNEL);
if (!d)
return -ENOMEM;
d->status_buf = kzalloc(sizeof(unsigned int) * chip->num_regs,
GFP_KERNEL);
if (!d->status_buf)
goto err_alloc;
d->status_reg_buf = kzalloc(map->format.val_bytes * chip->num_regs,
GFP_KERNEL);
if (!d->status_reg_buf)
goto err_alloc;
d->mask_buf = kzalloc(sizeof(unsigned int) * chip->num_regs,
GFP_KERNEL);
if (!d->mask_buf)
goto err_alloc;
d->mask_buf_def = kzalloc(sizeof(unsigned int) * chip->num_regs,
GFP_KERNEL);
if (!d->mask_buf_def)
goto err_alloc;
d->map = map;
d->chip = chip;
d->irq_base = irq_base;
mutex_init(&d->lock);
for (i = 0; i < chip->num_irqs; i++)
d->mask_buf_def[chip->irqs[i].reg_offset]
|= chip->irqs[i].mask;
/* Mask all the interrupts by default */
for (i = 0; i < chip->num_regs; i++) {
d->mask_buf[i] = d->mask_buf_def[i];
ret = regmap_write(map, chip->mask_base + i, d->mask_buf[i]);
if (ret != 0) {
dev_err(map->dev, "Failed to set masks in 0x%x: %d\n",
chip->mask_base + i, ret);
goto err_alloc;
}
}
/* Register them with genirq */
for (cur_irq = irq_base;
cur_irq < chip->num_irqs + irq_base;
cur_irq++) {
irq_set_chip_data(cur_irq, d);
irq_set_chip_and_handler(cur_irq, &regmap_irq_chip,
handle_edge_irq);
irq_set_nested_thread(cur_irq, 1);
/* ARM needs us to explicitly flag the IRQ as valid
* and will set them noprobe when we do so. */
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
irq_set_noprobe(cur_irq);
#endif
}
ret = request_threaded_irq(irq, NULL, regmap_irq_thread, irq_flags,
chip->name, d);
if (ret != 0) {
dev_err(map->dev, "Failed to request IRQ %d: %d\n", irq, ret);
goto err_alloc;
}
return 0;
err_alloc:
kfree(d->mask_buf_def);
kfree(d->mask_buf);
kfree(d->status_reg_buf);
kfree(d->status_buf);
kfree(d);
return ret;
}
EXPORT_SYMBOL_GPL(regmap_add_irq_chip);
/**
* regmap_del_irq_chip(): Stop interrupt handling for a regmap IRQ chip
*
* @irq: Primary IRQ for the device
* @d: regmap_irq_chip_data allocated by regmap_add_irq_chip()
*/
void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *d)
{
if (!d)
return;
free_irq(irq, d);
kfree(d->mask_buf_def);
kfree(d->mask_buf);
kfree(d->status_reg_buf);
kfree(d->status_buf);
kfree(d);
}
EXPORT_SYMBOL_GPL(regmap_del_irq_chip);
/**
* regmap_irq_chip_get_base(): Retrieve interrupt base for a regmap IRQ chip
*
* Useful for drivers to request their own IRQs.
*
* @data: regmap_irq controller to operate on.
*/
int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data)
{
return data->irq_base;
}
EXPORT_SYMBOL_GPL(regmap_irq_chip_get_base);
drivers/base/regmap/regmap.c
View file @ b7d845f8
...@@ -64,6 +64,18 @@ bool regmap_precious(struct regmap *map, unsigned int reg) ...@@ -64,6 +64,18 @@ bool regmap_precious(struct regmap *map, unsigned int reg)
return false; return false;
} }
static bool regmap_volatile_range(struct regmap *map, unsigned int reg,
unsigned int num)
{
unsigned int i;
for (i = 0; i < num; i++)
if (!regmap_volatile(map, reg + i))
return false;
return true;
}
static void regmap_format_4_12_write(struct regmap *map, static void regmap_format_4_12_write(struct regmap *map,
unsigned int reg, unsigned int val) unsigned int reg, unsigned int val)
{ {
...@@ -78,6 +90,16 @@ static void regmap_format_7_9_write(struct regmap *map, ...@@ -78,6 +90,16 @@ static void regmap_format_7_9_write(struct regmap *map,
*out = cpu_to_be16((reg << 9) | val); *out = cpu_to_be16((reg << 9) | val);
} }
static void regmap_format_10_14_write(struct regmap *map,
unsigned int reg, unsigned int val)
{
u8 *out = map->work_buf;
out[2] = val;
out[1] = (val >> 8) | (reg << 6);
out[0] = reg >> 2;
}
static void regmap_format_8(void *buf, unsigned int val) static void regmap_format_8(void *buf, unsigned int val)
{ {
u8 *b = buf; u8 *b = buf;
...@@ -127,7 +149,7 @@ struct regmap *regmap_init(struct device *dev, ...@@ -127,7 +149,7 @@ struct regmap *regmap_init(struct device *dev,
int ret = -EINVAL; int ret = -EINVAL;
if (!bus || !config) if (!bus || !config)
return NULL; goto err;
map = kzalloc(sizeof(*map), GFP_KERNEL); map = kzalloc(sizeof(*map), GFP_KERNEL);
if (map == NULL) { if (map == NULL) {
...@@ -147,12 +169,6 @@ struct regmap *regmap_init(struct device *dev, ...@@ -147,12 +169,6 @@ struct regmap *regmap_init(struct device *dev,
map->volatile_reg = config->volatile_reg; map->volatile_reg = config->volatile_reg;
map->precious_reg = config->precious_reg; map->precious_reg = config->precious_reg;
map->cache_type = config->cache_type; map->cache_type = config->cache_type;
map->reg_defaults = config->reg_defaults;
map->num_reg_defaults = config->num_reg_defaults;
map->num_reg_defaults_raw = config->num_reg_defaults_raw;
map->reg_defaults_raw = config->reg_defaults_raw;
map->cache_size_raw = (config->val_bits / 8) * config->num_reg_defaults_raw;
map->cache_word_size = config->val_bits / 8;
if (config->read_flag_mask || config->write_flag_mask) { if (config->read_flag_mask || config->write_flag_mask) {
map->read_flag_mask = config->read_flag_mask; map->read_flag_mask = config->read_flag_mask;
...@@ -182,6 +198,16 @@ struct regmap *regmap_init(struct device *dev, ...@@ -182,6 +198,16 @@ struct regmap *regmap_init(struct device *dev,
} }
break; break;
case 10:
switch (config->val_bits) {
case 14:
map->format.format_write = regmap_format_10_14_write;
break;
default:
goto err_map;
}
break;
case 8: case 8:
map->format.format_reg = regmap_format_8; map->format.format_reg = regmap_format_8;
break; break;
...@@ -215,14 +241,16 @@ struct regmap *regmap_init(struct device *dev, ...@@ -215,14 +241,16 @@ struct regmap *regmap_init(struct device *dev,
goto err_map; goto err_map;
} }
ret = regcache_init(map);
if (ret < 0)
goto err_map;
regmap_debugfs_init(map); regmap_debugfs_init(map);
ret = regcache_init(map, config);
if (ret < 0)
goto err_free_workbuf;
return map; return map;
err_free_workbuf:
kfree(map->work_buf);
err_map: err_map:
kfree(map); kfree(map);
err: err:
...@@ -230,6 +258,39 @@ struct regmap *regmap_init(struct device *dev, ...@@ -230,6 +258,39 @@ struct regmap *regmap_init(struct device *dev,
} }
EXPORT_SYMBOL_GPL(regmap_init); EXPORT_SYMBOL_GPL(regmap_init);
/**
* regmap_reinit_cache(): Reinitialise the current register cache
*
* @map: Register map to operate on.
* @config: New configuration. Only the cache data will be used.
*
* Discard any existing register cache for the map and initialize a
* new cache. This can be used to restore the cache to defaults or to
* update the cache configuration to reflect runtime discovery of the
* hardware.
*/
int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
{
int ret;
mutex_lock(&map->lock);
regcache_exit(map);
map->max_register = config->max_register;
map->writeable_reg = config->writeable_reg;
map->readable_reg = config->readable_reg;
map->volatile_reg = config->volatile_reg;
map->precious_reg = config->precious_reg;
map->cache_type = config->cache_type;
ret = regcache_init(map, config);
mutex_unlock(&map->lock);
return ret;
}
/** /**
* regmap_exit(): Free a previously allocated register map * regmap_exit(): Free a previously allocated register map
*/ */
...@@ -306,8 +367,10 @@ int _regmap_write(struct regmap *map, unsigned int reg, ...@@ -306,8 +367,10 @@ int _regmap_write(struct regmap *map, unsigned int reg,
ret = regcache_write(map, reg, val); ret = regcache_write(map, reg, val);
if (ret != 0) if (ret != 0)
return ret; return ret;
if (map->cache_only) if (map->cache_only) {
map->cache_dirty = true;
return 0; return 0;
}
} }
trace_regmap_reg_write(map->dev, reg, val); trace_regmap_reg_write(map->dev, reg, val);
...@@ -375,9 +438,11 @@ EXPORT_SYMBOL_GPL(regmap_write); ...@@ -375,9 +438,11 @@ EXPORT_SYMBOL_GPL(regmap_write);
int regmap_raw_write(struct regmap *map, unsigned int reg, int regmap_raw_write(struct regmap *map, unsigned int reg,
const void *val, size_t val_len) const void *val, size_t val_len)
{ {
size_t val_count = val_len / map->format.val_bytes;
int ret; int ret;
WARN_ON(map->cache_type != REGCACHE_NONE); WARN_ON(!regmap_volatile_range(map, reg, val_count) &&
map->cache_type != REGCACHE_NONE);
mutex_lock(&map->lock); mutex_lock(&map->lock);
...@@ -422,15 +487,15 @@ static int _regmap_read(struct regmap *map, unsigned int reg, ...@@ -422,15 +487,15 @@ static int _regmap_read(struct regmap *map, unsigned int reg,
{ {
int ret; int ret;
if (!map->format.parse_val)
return -EINVAL;
if (!map->cache_bypass) { if (!map->cache_bypass) {
ret = regcache_read(map, reg, val); ret = regcache_read(map, reg, val);
if (ret == 0) if (ret == 0)
return 0; return 0;
} }
if (!map->format.parse_val)
return -EINVAL;
if (map->cache_only) if (map->cache_only)
return -EBUSY; return -EBUSY;
...@@ -481,15 +546,11 @@ EXPORT_SYMBOL_GPL(regmap_read); ...@@ -481,15 +546,11 @@ EXPORT_SYMBOL_GPL(regmap_read);
int regmap_raw_read(struct regmap *map, unsigned int reg, void *val, int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
size_t val_len) size_t val_len)
{ {
size_t val_count = val_len / map->format.val_bytes;
int ret; int ret;
int i;
bool vol = true;
for (i = 0; i < val_len / map->format.val_bytes; i++) WARN_ON(!regmap_volatile_range(map, reg, val_count) &&
if (!regmap_volatile(map, reg + i)) map->cache_type != REGCACHE_NONE);
vol = false;
WARN_ON(!vol && map->cache_type != REGCACHE_NONE);
mutex_lock(&map->lock); mutex_lock(&map->lock);
...@@ -517,16 +578,11 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, ...@@ -517,16 +578,11 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
{ {
int ret, i; int ret, i;
size_t val_bytes = map->format.val_bytes; size_t val_bytes = map->format.val_bytes;
bool vol = true; bool vol = regmap_volatile_range(map, reg, val_count);
if (!map->format.parse_val) if (!map->format.parse_val)
return -EINVAL; return -EINVAL;
/* Is this a block of volatile registers? */
for (i = 0; i < val_count; i++)
if (!regmap_volatile(map, reg + i))
vol = false;
if (vol || map->cache_type == REGCACHE_NONE) { if (vol || map->cache_type == REGCACHE_NONE) {
ret = regmap_raw_read(map, reg, val, val_bytes * val_count); ret = regmap_raw_read(map, reg, val, val_bytes * val_count);
if (ret != 0) if (ret != 0)
...@@ -546,40 +602,73 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, ...@@ -546,40 +602,73 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
} }
EXPORT_SYMBOL_GPL(regmap_bulk_read); EXPORT_SYMBOL_GPL(regmap_bulk_read);
/** static int _regmap_update_bits(struct regmap *map, unsigned int reg,
* remap_update_bits: Perform a read/modify/write cycle on the register map unsigned int mask, unsigned int val,
* bool *change)
* @map: Register map to update
* @reg: Register to update
* @mask: Bitmask to change
* @val: New value for bitmask
*
* Returns zero for success, a negative number on error.
*/
int regmap_update_bits(struct regmap *map, unsigned int reg,
unsigned int mask, unsigned int val)
{ {
int ret; int ret;
unsigned int tmp; unsigned int tmp, orig;
mutex_lock(&map->lock); mutex_lock(&map->lock);
ret = _regmap_read(map, reg, &tmp); ret = _regmap_read(map, reg, &orig);
if (ret != 0) if (ret != 0)
goto out; goto out;
tmp &= ~mask; tmp = orig & ~mask;
tmp |= val & mask; tmp |= val & mask;
ret = _regmap_write(map, reg, tmp); if (tmp != orig) {
ret = _regmap_write(map, reg, tmp);
*change = true;
} else {
*change = false;
}
out: out:
mutex_unlock(&map->lock); mutex_unlock(&map->lock);
return ret; return ret;
} }
/**
* regmap_update_bits: Perform a read/modify/write cycle on the register map
*
* @map: Register map to update
* @reg: Register to update
* @mask: Bitmask to change
* @val: New value for bitmask
*
* Returns zero for success, a negative number on error.
*/
int regmap_update_bits(struct regmap *map, unsigned int reg,
unsigned int mask, unsigned int val)
{
bool change;
return _regmap_update_bits(map, reg, mask, val, &change);
}
EXPORT_SYMBOL_GPL(regmap_update_bits); EXPORT_SYMBOL_GPL(regmap_update_bits);
/**
* regmap_update_bits_check: Perform a read/modify/write cycle on the
* register map and report if updated
*
* @map: Register map to update
* @reg: Register to update
* @mask: Bitmask to change
* @val: New value for bitmask
* @change: Boolean indicating if a write was done
*
* Returns zero for success, a negative number on error.
*/
int regmap_update_bits_check(struct regmap *map, unsigned int reg,
unsigned int mask, unsigned int val,
bool *change)
{
return _regmap_update_bits(map, reg, mask, val, change);
}
EXPORT_SYMBOL_GPL(regmap_update_bits_check);
static int __init regmap_initcall(void) static int __init regmap_initcall(void)
{ {
regmap_debugfs_initcall(); regmap_debugfs_initcall();
......
drivers/gpio/Kconfig
View file @ b7d845f8
...@@ -70,7 +70,7 @@ config GPIO_GENERIC ...@@ -70,7 +70,7 @@ config GPIO_GENERIC
config GPIO_DA9052 config GPIO_DA9052
tristate "Dialog DA9052 GPIO" tristate "Dialog DA9052 GPIO"
depends on PMIC_DA9052 depends on PMIC_DA9052 && BROKEN
help help
Say yes here to enable the GPIO driver for the DA9052 chip. Say yes here to enable the GPIO driver for the DA9052 chip.
......
drivers/mfd/Kconfig
View file @ b7d845f8
...@@ -328,6 +328,34 @@ config PMIC_DA903X ...@@ -328,6 +328,34 @@ config PMIC_DA903X
individual components like LCD backlight, voltage regulators, individual components like LCD backlight, voltage regulators,
LEDs and battery-charger under the corresponding menus. LEDs and battery-charger under the corresponding menus.
config PMIC_DA9052
bool
select MFD_CORE
config MFD_DA9052_SPI
bool "Support Dialog Semiconductor DA9052/53 PMIC variants with SPI"
select REGMAP_SPI
select REGMAP_IRQ
select PMIC_DA9052
depends on SPI_MASTER=y
help
Support for the Dialog Semiconductor DA9052 PMIC
when controlled using SPI. This driver provides common support
for accessing the device, additional drivers must be enabled in
order to use the functionality of the device.
config MFD_DA9052_I2C
bool "Support Dialog Semiconductor DA9052/53 PMIC variants with I2C"
select REGMAP_I2C
select REGMAP_IRQ
select PMIC_DA9052
depends on I2C=y
help
Support for the Dialog Semiconductor DA9052 PMIC
when controlled using I2C. This driver provides common support
for accessing the device, additional drivers must be enabled in
order to use the functionality of the device.
config PMIC_ADP5520 config PMIC_ADP5520
bool "Analog Devices ADP5520/01 MFD PMIC Core Support" bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
depends on I2C=y depends on I2C=y
......
drivers/mfd/Makefile
View file @ b7d845f8
...@@ -67,6 +67,11 @@ endif ...@@ -67,6 +67,11 @@ endif
obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o
obj-$(CONFIG_PMIC_DA903X) += da903x.o obj-$(CONFIG_PMIC_DA903X) += da903x.o
obj-$(CONFIG_PMIC_DA9052) += da9052-core.o
obj-$(CONFIG_MFD_DA9052_SPI) += da9052-spi.o
obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o
max8925-objs := max8925-core.o max8925-i2c.o max8925-objs := max8925-core.o max8925-i2c.o
obj-$(CONFIG_MFD_MAX8925) += max8925.o obj-$(CONFIG_MFD_MAX8925) += max8925.o
obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o
......
drivers/mfd/da9052-core.c 0 → 100644
View file @ b7d845f8
/*
* Device access for Dialog DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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.
*/
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/pdata.h>
#include <linux/mfd/da9052/reg.h>
#define DA9052_NUM_IRQ_REGS 4
#define DA9052_IRQ_MASK_POS_1 0x01
#define DA9052_IRQ_MASK_POS_2 0x02
#define DA9052_IRQ_MASK_POS_3 0x04
#define DA9052_IRQ_MASK_POS_4 0x08
#define DA9052_IRQ_MASK_POS_5 0x10
#define DA9052_IRQ_MASK_POS_6 0x20
#define DA9052_IRQ_MASK_POS_7 0x40
#define DA9052_IRQ_MASK_POS_8 0x80
static bool da9052_reg_readable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9052_PAGE0_CON_REG:
case DA9052_STATUS_A_REG:
case DA9052_STATUS_B_REG:
case DA9052_STATUS_C_REG:
case DA9052_STATUS_D_REG:
case DA9052_EVENT_A_REG:
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
case DA9052_FAULTLOG_REG:
case DA9052_IRQ_MASK_A_REG:
case DA9052_IRQ_MASK_B_REG:
case DA9052_IRQ_MASK_C_REG:
case DA9052_IRQ_MASK_D_REG:
case DA9052_CONTROL_A_REG:
case DA9052_CONTROL_B_REG:
case DA9052_CONTROL_C_REG:
case DA9052_CONTROL_D_REG:
case DA9052_PDDIS_REG:
case DA9052_INTERFACE_REG:
case DA9052_RESET_REG:
case DA9052_GPIO_0_1_REG:
case DA9052_GPIO_2_3_REG:
case DA9052_GPIO_4_5_REG:
case DA9052_GPIO_6_7_REG:
case DA9052_GPIO_14_15_REG:
case DA9052_ID_0_1_REG:
case DA9052_ID_2_3_REG:
case DA9052_ID_4_5_REG:
case DA9052_ID_6_7_REG:
case DA9052_ID_8_9_REG:
case DA9052_ID_10_11_REG:
case DA9052_ID_12_13_REG:
case DA9052_ID_14_15_REG:
case DA9052_ID_16_17_REG:
case DA9052_ID_18_19_REG:
case DA9052_ID_20_21_REG:
case DA9052_SEQ_STATUS_REG:
case DA9052_SEQ_A_REG:
case DA9052_SEQ_B_REG:
case DA9052_SEQ_TIMER_REG:
case DA9052_BUCKA_REG:
case DA9052_BUCKB_REG:
case DA9052_BUCKCORE_REG:
case DA9052_BUCKPRO_REG:
case DA9052_BUCKMEM_REG:
case DA9052_BUCKPERI_REG:
case DA9052_LDO1_REG:
case DA9052_LDO2_REG:
case DA9052_LDO3_REG:
case DA9052_LDO4_REG:
case DA9052_LDO5_REG:
case DA9052_LDO6_REG:
case DA9052_LDO7_REG:
case DA9052_LDO8_REG:
case DA9052_LDO9_REG:
case DA9052_LDO10_REG:
case DA9052_SUPPLY_REG:
case DA9052_PULLDOWN_REG:
case DA9052_CHGBUCK_REG:
case DA9052_WAITCONT_REG:
case DA9052_ISET_REG:
case DA9052_BATCHG_REG:
case DA9052_CHG_CONT_REG:
case DA9052_INPUT_CONT_REG:
case DA9052_CHG_TIME_REG:
case DA9052_BBAT_CONT_REG:
case DA9052_BOOST_REG:
case DA9052_LED_CONT_REG:
case DA9052_LEDMIN123_REG:
case DA9052_LED1_CONF_REG:
case DA9052_LED2_CONF_REG:
case DA9052_LED3_CONF_REG:
case DA9052_LED1CONT_REG:
case DA9052_LED2CONT_REG:
case DA9052_LED3CONT_REG:
case DA9052_LED_CONT_4_REG:
case DA9052_LED_CONT_5_REG:
case DA9052_ADC_MAN_REG:
case DA9052_ADC_CONT_REG:
case DA9052_ADC_RES_L_REG:
case DA9052_ADC_RES_H_REG:
case DA9052_VDD_RES_REG:
case DA9052_VDD_MON_REG:
case DA9052_ICHG_AV_REG:
case DA9052_ICHG_THD_REG:
case DA9052_ICHG_END_REG:
case DA9052_TBAT_RES_REG:
case DA9052_TBAT_HIGHP_REG:
case DA9052_TBAT_HIGHN_REG:
case DA9052_TBAT_LOW_REG:
case DA9052_T_OFFSET_REG:
case DA9052_ADCIN4_RES_REG:
case DA9052_AUTO4_HIGH_REG:
case DA9052_AUTO4_LOW_REG:
case DA9052_ADCIN5_RES_REG:
case DA9052_AUTO5_HIGH_REG:
case DA9052_AUTO5_LOW_REG:
case DA9052_ADCIN6_RES_REG:
case DA9052_AUTO6_HIGH_REG:
case DA9052_AUTO6_LOW_REG:
case DA9052_TJUNC_RES_REG:
case DA9052_TSI_CONT_A_REG:
case DA9052_TSI_CONT_B_REG:
case DA9052_TSI_X_MSB_REG:
case DA9052_TSI_Y_MSB_REG:
case DA9052_TSI_LSB_REG:
case DA9052_TSI_Z_MSB_REG:
case DA9052_COUNT_S_REG:
case DA9052_COUNT_MI_REG:
case DA9052_COUNT_H_REG:
case DA9052_COUNT_D_REG:
case DA9052_COUNT_MO_REG:
case DA9052_COUNT_Y_REG:
case DA9052_ALARM_MI_REG:
case DA9052_ALARM_H_REG:
case DA9052_ALARM_D_REG:
case DA9052_ALARM_MO_REG:
case DA9052_ALARM_Y_REG:
case DA9052_SECOND_A_REG:
case DA9052_SECOND_B_REG:
case DA9052_SECOND_C_REG:
case DA9052_SECOND_D_REG:
case DA9052_PAGE1_CON_REG:
return true;
default:
return false;
}
}
static bool da9052_reg_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9052_PAGE0_CON_REG:
case DA9052_EVENT_A_REG:
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
case DA9052_IRQ_MASK_A_REG:
case DA9052_IRQ_MASK_B_REG:
case DA9052_IRQ_MASK_C_REG:
case DA9052_IRQ_MASK_D_REG:
case DA9052_CONTROL_A_REG:
case DA9052_CONTROL_B_REG:
case DA9052_CONTROL_C_REG:
case DA9052_CONTROL_D_REG:
case DA9052_PDDIS_REG:
case DA9052_RESET_REG:
case DA9052_GPIO_0_1_REG:
case DA9052_GPIO_2_3_REG:
case DA9052_GPIO_4_5_REG:
case DA9052_GPIO_6_7_REG:
case DA9052_GPIO_14_15_REG:
case DA9052_ID_0_1_REG:
case DA9052_ID_2_3_REG:
case DA9052_ID_4_5_REG:
case DA9052_ID_6_7_REG:
case DA9052_ID_8_9_REG:
case DA9052_ID_10_11_REG:
case DA9052_ID_12_13_REG:
case DA9052_ID_14_15_REG:
case DA9052_ID_16_17_REG:
case DA9052_ID_18_19_REG:
case DA9052_ID_20_21_REG:
case DA9052_SEQ_STATUS_REG:
case DA9052_SEQ_A_REG:
case DA9052_SEQ_B_REG:
case DA9052_SEQ_TIMER_REG:
case DA9052_BUCKA_REG:
case DA9052_BUCKB_REG:
case DA9052_BUCKCORE_REG:
case DA9052_BUCKPRO_REG:
case DA9052_BUCKMEM_REG:
case DA9052_BUCKPERI_REG:
case DA9052_LDO1_REG:
case DA9052_LDO2_REG:
case DA9052_LDO3_REG:
case DA9052_LDO4_REG:
case DA9052_LDO5_REG:
case DA9052_LDO6_REG:
case DA9052_LDO7_REG:
case DA9052_LDO8_REG:
case DA9052_LDO9_REG:
case DA9052_LDO10_REG:
case DA9052_SUPPLY_REG:
case DA9052_PULLDOWN_REG:
case DA9052_CHGBUCK_REG:
case DA9052_WAITCONT_REG:
case DA9052_ISET_REG:
case DA9052_BATCHG_REG:
case DA9052_CHG_CONT_REG:
case DA9052_INPUT_CONT_REG:
case DA9052_BBAT_CONT_REG:
case DA9052_BOOST_REG:
case DA9052_LED_CONT_REG:
case DA9052_LEDMIN123_REG:
case DA9052_LED1_CONF_REG:
case DA9052_LED2_CONF_REG:
case DA9052_LED3_CONF_REG:
case DA9052_LED1CONT_REG:
case DA9052_LED2CONT_REG:
case DA9052_LED3CONT_REG:
case DA9052_LED_CONT_4_REG:
case DA9052_LED_CONT_5_REG:
case DA9052_ADC_MAN_REG:
case DA9052_ADC_CONT_REG:
case DA9052_ADC_RES_L_REG:
case DA9052_ADC_RES_H_REG:
case DA9052_VDD_RES_REG:
case DA9052_VDD_MON_REG:
case DA9052_ICHG_THD_REG:
case DA9052_ICHG_END_REG:
case DA9052_TBAT_HIGHP_REG:
case DA9052_TBAT_HIGHN_REG:
case DA9052_TBAT_LOW_REG:
case DA9052_T_OFFSET_REG:
case DA9052_AUTO4_HIGH_REG:
case DA9052_AUTO4_LOW_REG:
case DA9052_AUTO5_HIGH_REG:
case DA9052_AUTO5_LOW_REG:
case DA9052_AUTO6_HIGH_REG:
case DA9052_AUTO6_LOW_REG:
case DA9052_TSI_CONT_A_REG:
case DA9052_TSI_CONT_B_REG:
case DA9052_COUNT_S_REG:
case DA9052_COUNT_MI_REG:
case DA9052_COUNT_H_REG:
case DA9052_COUNT_D_REG:
case DA9052_COUNT_MO_REG:
case DA9052_COUNT_Y_REG:
case DA9052_ALARM_MI_REG:
case DA9052_ALARM_H_REG:
case DA9052_ALARM_D_REG:
case DA9052_ALARM_MO_REG:
case DA9052_ALARM_Y_REG:
case DA9052_PAGE1_CON_REG:
return true;
default:
return false;
}
}
static bool da9052_reg_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9052_STATUS_A_REG:
case DA9052_STATUS_B_REG:
case DA9052_STATUS_C_REG:
case DA9052_STATUS_D_REG:
case DA9052_EVENT_A_REG:
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
case DA9052_FAULTLOG_REG:
case DA9052_CHG_TIME_REG:
case DA9052_ADC_RES_L_REG:
case DA9052_ADC_RES_H_REG:
case DA9052_VDD_RES_REG:
case DA9052_ICHG_AV_REG:
case DA9052_TBAT_RES_REG:
case DA9052_ADCIN4_RES_REG:
case DA9052_ADCIN5_RES_REG:
case DA9052_ADCIN6_RES_REG:
case DA9052_TJUNC_RES_REG:
case DA9052_TSI_X_MSB_REG:
case DA9052_TSI_Y_MSB_REG:
case DA9052_TSI_LSB_REG:
case DA9052_TSI_Z_MSB_REG:
case DA9052_COUNT_S_REG:
case DA9052_COUNT_MI_REG:
case DA9052_COUNT_H_REG:
case DA9052_COUNT_D_REG:
case DA9052_COUNT_MO_REG:
case DA9052_COUNT_Y_REG:
case DA9052_ALARM_MI_REG:
return true;
default:
return false;
}
}
static struct resource da9052_rtc_resource = {
.name = "ALM",
.start = DA9052_IRQ_ALARM,
.end = DA9052_IRQ_ALARM,
.flags = IORESOURCE_IRQ,
};
static struct resource da9052_onkey_resource = {
.name = "ONKEY",
.start = DA9052_IRQ_NONKEY,
.end = DA9052_IRQ_NONKEY,
.flags = IORESOURCE_IRQ,
};
static struct resource da9052_bat_resources[] = {
{
.name = "BATT TEMP",
.start = DA9052_IRQ_TBAT,
.end = DA9052_IRQ_TBAT,
.flags = IORESOURCE_IRQ,
},
{
.name = "DCIN DET",
.start = DA9052_IRQ_DCIN,
.end = DA9052_IRQ_DCIN,
.flags = IORESOURCE_IRQ,
},
{
.name = "DCIN REM",
.start = DA9052_IRQ_DCINREM,
.end = DA9052_IRQ_DCINREM,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS DET",
.start = DA9052_IRQ_VBUS,
.end = DA9052_IRQ_VBUS,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS REM",
.start = DA9052_IRQ_VBUSREM,
.end = DA9052_IRQ_VBUSREM,
.flags = IORESOURCE_IRQ,
},
{
.name = "CHG END",
.start = DA9052_IRQ_CHGEND,
.end = DA9052_IRQ_CHGEND,
.flags = IORESOURCE_IRQ,
},
};
static struct resource da9052_tsi_resources[] = {
{
.name = "PENDWN",
.start = DA9052_IRQ_PENDOWN,
.end = DA9052_IRQ_PENDOWN,
.flags = IORESOURCE_IRQ,
},
{
.name = "TSIRDY",
.start = DA9052_IRQ_TSIREADY,
.end = DA9052_IRQ_TSIREADY,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell __devinitdata da9052_subdev_info[] = {
{
.name = "da9052-regulator",
.id = 1,
},
{
.name = "da9052-regulator",
.id = 2,
},
{
.name = "da9052-regulator",
.id = 3,
},
{
.name = "da9052-regulator",
.id = 4,
},
{
.name = "da9052-regulator",
.id = 5,
},
{
.name = "da9052-regulator",
.id = 6,
},
{
.name = "da9052-regulator",
.id = 7,
},
{
.name = "da9052-regulator",
.id = 8,
},
{
.name = "da9052-regulator",
.id = 9,
},
{
.name = "da9052-regulator",
.id = 10,
},
{
.name = "da9052-regulator",
.id = 11,
},
{
.name = "da9052-regulator",
.id = 12,
},
{
.name = "da9052-regulator",
.id = 13,
},
{
.name = "da9052-regulator",
.id = 14,
},
{
.name = "da9052-onkey",
.resources = &da9052_onkey_resource,
.num_resources = 1,
},
{
.name = "da9052-rtc",
.resources = &da9052_rtc_resource,
.num_resources = 1,
},
{
.name = "da9052-gpio",
},
{
.name = "da9052-hwmon",
},
{
.name = "da9052-leds",
},
{
.name = "da9052-wled1",
},
{
.name = "da9052-wled2",
},
{
.name = "da9052-wled3",
},
{
.name = "da9052-tsi",
.resources = da9052_tsi_resources,
.num_resources = ARRAY_SIZE(da9052_tsi_resources),
},
{
.name = "da9052-bat",
.resources = da9052_bat_resources,
.num_resources = ARRAY_SIZE(da9052_bat_resources),
},
{
.name = "da9052-watchdog",
},
};
static struct regmap_irq da9052_irqs[] = {
[DA9052_IRQ_DCIN] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_VBUS] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_DCINREM] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_VBUSREM] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_VDDLOW] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_ALARM] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_SEQRDY] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_COMP1V2] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_8,
},
[DA9052_IRQ_NONKEY] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_IDFLOAT] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_IDGND] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_CHGEND] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_TBAT] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_ADC_EOM] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_PENDOWN] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_TSIREADY] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_8,
},
[DA9052_IRQ_GPI0] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_GPI1] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_GPI2] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_GPI3] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_GPI4] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_GPI5] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_GPI6] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_GPI7] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_8,
},
[DA9052_IRQ_GPI8] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_GPI9] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_GPI10] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_GPI11] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_GPI12] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_GPI13] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_GPI14] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_GPI15] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_8,
},
};
static struct regmap_irq_chip da9052_regmap_irq_chip = {
.name = "da9052_irq",
.status_base = DA9052_EVENT_A_REG,
.mask_base = DA9052_IRQ_MASK_A_REG,
.ack_base = DA9052_EVENT_A_REG,
.num_regs = DA9052_NUM_IRQ_REGS,
.irqs = da9052_irqs,
.num_irqs = ARRAY_SIZE(da9052_irqs),
};
struct regmap_config da9052_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.cache_type = REGCACHE_RBTREE,
.max_register = DA9052_PAGE1_CON_REG,
.readable_reg = da9052_reg_readable,
.writeable_reg = da9052_reg_writeable,
.volatile_reg = da9052_reg_volatile,
};
EXPORT_SYMBOL_GPL(da9052_regmap_config);
int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id)
{
struct da9052_pdata *pdata = da9052->dev->platform_data;
struct irq_desc *desc;
int ret;
mutex_init(&da9052->io_lock);
if (pdata && pdata->init != NULL)
pdata->init(da9052);
da9052->chip_id = chip_id;
if (!pdata || !pdata->irq_base)
da9052->irq_base = -1;
else
da9052->irq_base = pdata->irq_base;
ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
da9052->irq_base, &da9052_regmap_irq_chip,
NULL);
if (ret < 0)
goto regmap_err;
desc = irq_to_desc(da9052->chip_irq);
da9052->irq_base = regmap_irq_chip_get_base(desc->action->dev_id);
ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
ARRAY_SIZE(da9052_subdev_info), NULL, 0);
if (ret)
goto err;
return 0;
err:
mfd_remove_devices(da9052->dev);
regmap_err:
return ret;
}
void da9052_device_exit(struct da9052 *da9052)
{
regmap_del_irq_chip(da9052->chip_irq,
irq_get_irq_data(da9052->irq_base)->chip_data);
mfd_remove_devices(da9052->dev);
}
MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
MODULE_DESCRIPTION("DA9052 MFD Core");
MODULE_LICENSE("GPL");
drivers/mfd/da9052-i2c.c 0 → 100644
View file @ b7d845f8
/*
* I2C access for DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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.
*
*/
#include <linux/device.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/mfd/core.h>
#include <linux/i2c.h>
#include <linux/err.h>
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
static int da9052_i2c_enable_multiwrite(struct da9052 *da9052)
{
int reg_val, ret;
ret = regmap_read(da9052->regmap, DA9052_CONTROL_B_REG, &reg_val);
if (ret < 0)
return ret;
if (reg_val & DA9052_CONTROL_B_WRITEMODE) {
reg_val &= ~DA9052_CONTROL_B_WRITEMODE;
ret = regmap_write(da9052->regmap, DA9052_CONTROL_B_REG,
reg_val);
if (ret < 0)
return ret;
}
return 0;
}
static int __devinit da9052_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct da9052 *da9052;
int ret;
da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL);
if (!da9052)
return -ENOMEM;
if (!i2c_check_functionality(client->adapter,
I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_info(&client->dev, "Error in %s:i2c_check_functionality\n",
__func__);
ret = -ENODEV;
goto err;
}
da9052->dev = &client->dev;
da9052->chip_irq = client->irq;
i2c_set_clientdata(client, da9052);
da9052->regmap = regmap_init_i2c(client, &da9052_regmap_config);
if (IS_ERR(da9052->regmap)) {
ret = PTR_ERR(da9052->regmap);
dev_err(&client->dev, "Failed to allocate register map: %d\n",
ret);
goto err;
}
ret = da9052_i2c_enable_multiwrite(da9052);
if (ret < 0)
goto err;
ret = da9052_device_init(da9052, id->driver_data);
if (ret != 0)
goto err;
return 0;
err:
kfree(da9052);
return ret;
}
static int da9052_i2c_remove(struct i2c_client *client)
{
struct da9052 *da9052 = i2c_get_clientdata(client);
da9052_device_exit(da9052);
kfree(da9052);
return 0;
}
static struct i2c_device_id da9052_i2c_id[] = {
{"da9052", DA9052},
{"da9053-aa", DA9053_AA},
{"da9053-ba", DA9053_BA},
{"da9053-bb", DA9053_BB},
{}
};
static struct i2c_driver da9052_i2c_driver = {
.probe = da9052_i2c_probe,
.remove = da9052_i2c_remove,
.id_table = da9052_i2c_id,
.driver = {
.name = "da9052",
.owner = THIS_MODULE,
},
};
static int __init da9052_i2c_init(void)
{
int ret;
ret = i2c_add_driver(&da9052_i2c_driver);
if (ret != 0) {
pr_err("DA9052 I2C registration failed %d\n", ret);
return ret;
}
return 0;
}
subsys_initcall(da9052_i2c_init);
static void __exit da9052_i2c_exit(void)
{
i2c_del_driver(&da9052_i2c_driver);
}
module_exit(da9052_i2c_exit);
MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
MODULE_DESCRIPTION("I2C driver for Dialog DA9052 PMIC");
MODULE_LICENSE("GPL");
drivers/mfd/da9052-spi.c 0 → 100644
View file @ b7d845f8
/*
* SPI access for Dialog DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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.
*
*/
#include <linux/device.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/mfd/core.h>
#include <linux/spi/spi.h>
#include <linux/err.h>
#include <linux/mfd/da9052/da9052.h>
static int da9052_spi_probe(struct spi_device *spi)
{
int ret;
const struct spi_device_id *id = spi_get_device_id(spi);
struct da9052 *da9052 = kzalloc(sizeof(struct da9052), GFP_KERNEL);
if (!da9052)
return -ENOMEM;
spi->mode = SPI_MODE_0 | SPI_CPOL;
spi->bits_per_word = 8;
spi_setup(spi);
da9052->dev = &spi->dev;
da9052->chip_irq = spi->irq;
dev_set_drvdata(&spi->dev, da9052);
da9052_regmap_config.read_flag_mask = 1;
da9052_regmap_config.write_flag_mask = 0;
da9052->regmap = regmap_init_spi(spi, &da9052_regmap_config);
if (IS_ERR(da9052->regmap)) {
ret = PTR_ERR(da9052->regmap);
dev_err(&spi->dev, "Failed to allocate register map: %d\n",
ret);
goto err;
}
ret = da9052_device_init(da9052, id->driver_data);
if (ret != 0)
goto err;
return 0;
err:
kfree(da9052);
return ret;
}
static int da9052_spi_remove(struct spi_device *spi)
{
struct da9052 *da9052 = dev_get_drvdata(&spi->dev);
da9052_device_exit(da9052);
kfree(da9052);
return 0;
}
static struct spi_device_id da9052_spi_id[] = {
{"da9052", DA9052},
{"da9053-aa", DA9053_AA},
{"da9053-ba", DA9053_BA},
{"da9053-bb", DA9053_BB},
{}
};
static struct spi_driver da9052_spi_driver = {
.probe = da9052_spi_probe,
.remove = __devexit_p(da9052_spi_remove),
.id_table = da9052_spi_id,
.driver = {
.name = "da9052",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
};
static int __init da9052_spi_init(void)
{
int ret;
ret = spi_register_driver(&da9052_spi_driver);
if (ret != 0) {
pr_err("Failed to register DA9052 SPI driver, %d\n", ret);
return ret;
}
return 0;
}
subsys_initcall(da9052_spi_init);
static void __exit da9052_spi_exit(void)
{
spi_unregister_driver(&da9052_spi_driver);
}
module_exit(da9052_spi_exit);
MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
MODULE_DESCRIPTION("SPI driver for Dialog DA9052 PMIC");
MODULE_LICENSE("GPL");
include/linux/mfd/da9052/da9052.h 0 → 100644
View file @ b7d845f8
/*
* da9052 declarations for DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __MFD_DA9052_DA9052_H
#define __MFD_DA9052_DA9052_H
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/list.h>
#include <linux/mfd/core.h>
#include <linux/mfd/da9052/reg.h>
#define DA9052_IRQ_DCIN 0
#define DA9052_IRQ_VBUS 1
#define DA9052_IRQ_DCINREM 2
#define DA9052_IRQ_VBUSREM 3
#define DA9052_IRQ_VDDLOW 4
#define DA9052_IRQ_ALARM 5
#define DA9052_IRQ_SEQRDY 6
#define DA9052_IRQ_COMP1V2 7
#define DA9052_IRQ_NONKEY 8
#define DA9052_IRQ_IDFLOAT 9
#define DA9052_IRQ_IDGND 10
#define DA9052_IRQ_CHGEND 11
#define DA9052_IRQ_TBAT 12
#define DA9052_IRQ_ADC_EOM 13
#define DA9052_IRQ_PENDOWN 14
#define DA9052_IRQ_TSIREADY 15
#define DA9052_IRQ_GPI0 16
#define DA9052_IRQ_GPI1 17
#define DA9052_IRQ_GPI2 18
#define DA9052_IRQ_GPI3 19
#define DA9052_IRQ_GPI4 20
#define DA9052_IRQ_GPI5 21
#define DA9052_IRQ_GPI6 22
#define DA9052_IRQ_GPI7 23
#define DA9052_IRQ_GPI8 24
#define DA9052_IRQ_GPI9 25
#define DA9052_IRQ_GPI10 26
#define DA9052_IRQ_GPI11 27
#define DA9052_IRQ_GPI12 28
#define DA9052_IRQ_GPI13 29
#define DA9052_IRQ_GPI14 30
#define DA9052_IRQ_GPI15 31
enum da9052_chip_id {
DA9052,
DA9053_AA,
DA9053_BA,
DA9053_BB,
};
struct da9052_pdata;
struct da9052 {
struct mutex io_lock;
struct device *dev;
struct regmap *regmap;
int irq_base;
u8 chip_id;
int chip_irq;
};
/* Device I/O API */
static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
{
int val, ret;
ret = regmap_read(da9052->regmap, reg, &val);
if (ret < 0)
return ret;
return val;
}
static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
unsigned char val)
{
return regmap_write(da9052->regmap, reg, val);
}
static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
unsigned reg_cnt, unsigned char *val)
{
return regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
}
static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
unsigned reg_cnt, unsigned char *val)
{
return regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
}
static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
unsigned char bit_mask,
unsigned char reg_val)
{
return regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
}
int da9052_device_init(struct da9052 *da9052, u8 chip_id);
void da9052_device_exit(struct da9052 *da9052);
extern struct regmap_config da9052_regmap_config;
#endif /* __MFD_DA9052_DA9052_H */
include/linux/mfd/da9052/pdata.h 0 → 100644
View file @ b7d845f8
/*
* Platform data declarations for DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __MFD_DA9052_PDATA_H__
#define __MFD_DA9052_PDATA_H__
#define DA9052_MAX_REGULATORS 14
struct da9052;
struct da9052_pdata {
struct led_platform_data *pled;
int (*init) (struct da9052 *da9052);
int irq_base;
int gpio_base;
int use_for_apm;
struct regulator_init_data *regulators[DA9052_MAX_REGULATORS];
};
#endif
include/linux/mfd/da9052/reg.h 0 → 100644
View file @ b7d845f8
/*
* Register declarations for DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __LINUX_MFD_DA9052_REG_H
#define __LINUX_MFD_DA9052_REG_H
/* PAGE REGISTERS */
#define DA9052_PAGE0_CON_REG 0
#define DA9052_PAGE1_CON_REG 128
/* STATUS REGISTERS */
#define DA9052_STATUS_A_REG 1
#define DA9052_STATUS_B_REG 2
#define DA9052_STATUS_C_REG 3
#define DA9052_STATUS_D_REG 4
/* EVENT REGISTERS */
#define DA9052_EVENT_A_REG 5
#define DA9052_EVENT_B_REG 6
#define DA9052_EVENT_C_REG 7
#define DA9052_EVENT_D_REG 8
#define DA9052_FAULTLOG_REG 9
/* IRQ REGISTERS */
#define DA9052_IRQ_MASK_A_REG 10
#define DA9052_IRQ_MASK_B_REG 11
#define DA9052_IRQ_MASK_C_REG 12
#define DA9052_IRQ_MASK_D_REG 13
/* CONTROL REGISTERS */
#define DA9052_CONTROL_A_REG 14
#define DA9052_CONTROL_B_REG 15
#define DA9052_CONTROL_C_REG 16
#define DA9052_CONTROL_D_REG 17
#define DA9052_PDDIS_REG 18
#define DA9052_INTERFACE_REG 19
#define DA9052_RESET_REG 20
/* GPIO REGISTERS */
#define DA9052_GPIO_0_1_REG 21
#define DA9052_GPIO_2_3_REG 22
#define DA9052_GPIO_4_5_REG 23
#define DA9052_GPIO_6_7_REG 24
#define DA9052_GPIO_14_15_REG 28
/* POWER SEQUENCER CONTROL REGISTERS */
#define DA9052_ID_0_1_REG 29
#define DA9052_ID_2_3_REG 30
#define DA9052_ID_4_5_REG 31
#define DA9052_ID_6_7_REG 32
#define DA9052_ID_8_9_REG 33
#define DA9052_ID_10_11_REG 34
#define DA9052_ID_12_13_REG 35
#define DA9052_ID_14_15_REG 36
#define DA9052_ID_16_17_REG 37
#define DA9052_ID_18_19_REG 38
#define DA9052_ID_20_21_REG 39
#define DA9052_SEQ_STATUS_REG 40
#define DA9052_SEQ_A_REG 41
#define DA9052_SEQ_B_REG 42
#define DA9052_SEQ_TIMER_REG 43
/* LDO AND BUCK REGISTERS */
#define DA9052_BUCKA_REG 44
#define DA9052_BUCKB_REG 45
#define DA9052_BUCKCORE_REG 46
#define DA9052_BUCKPRO_REG 47
#define DA9052_BUCKMEM_REG 48
#define DA9052_BUCKPERI_REG 49
#define DA9052_LDO1_REG 50
#define DA9052_LDO2_REG 51
#define DA9052_LDO3_REG 52
#define DA9052_LDO4_REG 53
#define DA9052_LDO5_REG 54
#define DA9052_LDO6_REG 55
#define DA9052_LDO7_REG 56
#define DA9052_LDO8_REG 57
#define DA9052_LDO9_REG 58
#define DA9052_LDO10_REG 59
#define DA9052_SUPPLY_REG 60
#define DA9052_PULLDOWN_REG 61
#define DA9052_CHGBUCK_REG 62
#define DA9052_WAITCONT_REG 63
#define DA9052_ISET_REG 64
#define DA9052_BATCHG_REG 65
/* BATTERY CONTROL REGISTRS */
#define DA9052_CHG_CONT_REG 66
#define DA9052_INPUT_CONT_REG 67
#define DA9052_CHG_TIME_REG 68
#define DA9052_BBAT_CONT_REG 69
/* LED CONTROL REGISTERS */
#define DA9052_BOOST_REG 70
#define DA9052_LED_CONT_REG 71
#define DA9052_LEDMIN123_REG 72
#define DA9052_LED1_CONF_REG 73
#define DA9052_LED2_CONF_REG 74
#define DA9052_LED3_CONF_REG 75
#define DA9052_LED1CONT_REG 76
#define DA9052_LED2CONT_REG 77
#define DA9052_LED3CONT_REG 78
#define DA9052_LED_CONT_4_REG 79
#define DA9052_LED_CONT_5_REG 80
/* ADC CONTROL REGISTERS */
#define DA9052_ADC_MAN_REG 81
#define DA9052_ADC_CONT_REG 82
#define DA9052_ADC_RES_L_REG 83
#define DA9052_ADC_RES_H_REG 84
#define DA9052_VDD_RES_REG 85
#define DA9052_VDD_MON_REG 86
#define DA9052_ICHG_AV_REG 87
#define DA9052_ICHG_THD_REG 88
#define DA9052_ICHG_END_REG 89
#define DA9052_TBAT_RES_REG 90
#define DA9052_TBAT_HIGHP_REG 91
#define DA9052_TBAT_HIGHN_REG 92
#define DA9052_TBAT_LOW_REG 93
#define DA9052_T_OFFSET_REG 94
#define DA9052_ADCIN4_RES_REG 95
#define DA9052_AUTO4_HIGH_REG 96
#define DA9052_AUTO4_LOW_REG 97
#define DA9052_ADCIN5_RES_REG 98
#define DA9052_AUTO5_HIGH_REG 99
#define DA9052_AUTO5_LOW_REG 100
#define DA9052_ADCIN6_RES_REG 101
#define DA9052_AUTO6_HIGH_REG 102
#define DA9052_AUTO6_LOW_REG 103
#define DA9052_TJUNC_RES_REG 104
/* TSI CONTROL REGISTERS */
#define DA9052_TSI_CONT_A_REG 105
#define DA9052_TSI_CONT_B_REG 106
#define DA9052_TSI_X_MSB_REG 107
#define DA9052_TSI_Y_MSB_REG 108
#define DA9052_TSI_LSB_REG 109
#define DA9052_TSI_Z_MSB_REG 110
/* RTC COUNT REGISTERS */
#define DA9052_COUNT_S_REG 111
#define DA9052_COUNT_MI_REG 112
#define DA9052_COUNT_H_REG 113
#define DA9052_COUNT_D_REG 114
#define DA9052_COUNT_MO_REG 115
#define DA9052_COUNT_Y_REG 116
/* RTC CONTROL REGISTERS */
#define DA9052_ALARM_MI_REG 117
#define DA9052_ALARM_H_REG 118
#define DA9052_ALARM_D_REG 119
#define DA9052_ALARM_MO_REG 120
#define DA9052_ALARM_Y_REG 121
#define DA9052_SECOND_A_REG 122
#define DA9052_SECOND_B_REG 123
#define DA9052_SECOND_C_REG 124
#define DA9052_SECOND_D_REG 125
/* PAGE CONFIGURATION BIT */
#define DA9052_PAGE_CONF 0X80
/* STATUS REGISTER A BITS */
#define DA9052_STATUSA_VDATDET 0X80
#define DA9052_STATUSA_VBUSSEL 0X40
#define DA9052_STATUSA_DCINSEL 0X20
#define DA9052_STATUSA_VBUSDET 0X10
#define DA9052_STATUSA_DCINDET 0X08
#define DA9052_STATUSA_IDGND 0X04
#define DA9052_STATUSA_IDFLOAT 0X02
#define DA9052_STATUSA_NONKEY 0X01
/* STATUS REGISTER B BITS */
#define DA9052_STATUSB_COMPDET 0X80
#define DA9052_STATUSB_SEQUENCING 0X40
#define DA9052_STATUSB_GPFB2 0X20
#define DA9052_STATUSB_CHGTO 0X10
#define DA9052_STATUSB_CHGEND 0X08
#define DA9052_STATUSB_CHGLIM 0X04
#define DA9052_STATUSB_CHGPRE 0X02
#define DA9052_STATUSB_CHGATT 0X01
/* STATUS REGISTER C BITS */
#define DA9052_STATUSC_GPI7 0X80
#define DA9052_STATUSC_GPI6 0X40
#define DA9052_STATUSC_GPI5 0X20
#define DA9052_STATUSC_GPI4 0X10
#define DA9052_STATUSC_GPI3 0X08
#define DA9052_STATUSC_GPI2 0X04
#define DA9052_STATUSC_GPI1 0X02
#define DA9052_STATUSC_GPI0 0X01
/* STATUS REGISTER D BITS */
#define DA9052_STATUSD_GPI15 0X80
#define DA9052_STATUSD_GPI14 0X40
#define DA9052_STATUSD_GPI13 0X20
#define DA9052_STATUSD_GPI12 0X10
#define DA9052_STATUSD_GPI11 0X08
#define DA9052_STATUSD_GPI10 0X04
#define DA9052_STATUSD_GPI9 0X02
#define DA9052_STATUSD_GPI8 0X01
/* EVENT REGISTER A BITS */
#define DA9052_EVENTA_ECOMP1V2 0X80
#define DA9052_EVENTA_ESEQRDY 0X40
#define DA9052_EVENTA_EALRAM 0X20
#define DA9052_EVENTA_EVDDLOW 0X10
#define DA9052_EVENTA_EVBUSREM 0X08
#define DA9052_EVENTA_EDCINREM 0X04
#define DA9052_EVENTA_EVBUSDET 0X02
#define DA9052_EVENTA_EDCINDET 0X01
/* EVENT REGISTER B BITS */
#define DA9052_EVENTB_ETSIREADY 0X80
#define DA9052_EVENTB_EPENDOWN 0X40
#define DA9052_EVENTB_EADCEOM 0X20
#define DA9052_EVENTB_ETBAT 0X10
#define DA9052_EVENTB_ECHGEND 0X08
#define DA9052_EVENTB_EIDGND 0X04
#define DA9052_EVENTB_EIDFLOAT 0X02
#define DA9052_EVENTB_ENONKEY 0X01
/* EVENT REGISTER C BITS */
#define DA9052_EVENTC_EGPI7 0X80
#define DA9052_EVENTC_EGPI6 0X40
#define DA9052_EVENTC_EGPI5 0X20
#define DA9052_EVENTC_EGPI4 0X10
#define DA9052_EVENTC_EGPI3 0X08
#define DA9052_EVENTC_EGPI2 0X04
#define DA9052_EVENTC_EGPI1 0X02
#define DA9052_EVENTC_EGPI0 0X01
/* EVENT REGISTER D BITS */
#define DA9052_EVENTD_EGPI15 0X80
#define DA9052_EVENTD_EGPI14 0X40
#define DA9052_EVENTD_EGPI13 0X20
#define DA9052_EVENTD_EGPI12 0X10
#define DA9052_EVENTD_EGPI11 0X08
#define DA9052_EVENTD_EGPI10 0X04
#define DA9052_EVENTD_EGPI9 0X02
#define DA9052_EVENTD_EGPI8 0X01
/* IRQ MASK REGISTERS BITS */
#define DA9052_M_NONKEY 0X0100
/* TSI EVENT REGISTERS BITS */
#define DA9052_E_PEN_DOWN 0X4000
#define DA9052_E_TSI_READY 0X8000
/* FAULT LOG REGISTER BITS */
#define DA9052_FAULTLOG_WAITSET 0X80
#define DA9052_FAULTLOG_NSDSET 0X40
#define DA9052_FAULTLOG_KEYSHUT 0X20
#define DA9052_FAULTLOG_TEMPOVER 0X08
#define DA9052_FAULTLOG_VDDSTART 0X04
#define DA9052_FAULTLOG_VDDFAULT 0X02
#define DA9052_FAULTLOG_TWDERROR 0X01
/* CONTROL REGISTER A BITS */
#define DA9052_CONTROLA_GPIV 0X80
#define DA9052_CONTROLA_PMOTYPE 0X20
#define DA9052_CONTROLA_PMOV 0X10
#define DA9052_CONTROLA_PMIV 0X08
#define DA9052_CONTROLA_PMIFV 0X08
#define DA9052_CONTROLA_PWR1EN 0X04
#define DA9052_CONTROLA_PWREN 0X02
#define DA9052_CONTROLA_SYSEN 0X01
/* CONTROL REGISTER B BITS */
#define DA9052_CONTROLB_SHUTDOWN 0X80
#define DA9052_CONTROLB_DEEPSLEEP 0X40
#define DA9052_CONTROL_B_WRITEMODE 0X20
#define DA9052_CONTROLB_BBATEN 0X10
#define DA9052_CONTROLB_OTPREADEN 0X08
#define DA9052_CONTROLB_AUTOBOOT 0X04
#define DA9052_CONTROLB_ACTDIODE 0X02
#define DA9052_CONTROLB_BUCKMERGE 0X01
/* CONTROL REGISTER C BITS */
#define DA9052_CONTROLC_BLINKDUR 0X80
#define DA9052_CONTROLC_BLINKFRQ 0X60
#define DA9052_CONTROLC_DEBOUNCING 0X1C
#define DA9052_CONTROLC_PMFB2PIN 0X02
#define DA9052_CONTROLC_PMFB1PIN 0X01
/* CONTROL REGISTER D BITS */
#define DA9052_CONTROLD_WATCHDOG 0X80
#define DA9052_CONTROLD_ACCDETEN 0X40
#define DA9052_CONTROLD_GPI1415SD 0X20
#define DA9052_CONTROLD_NONKEYSD 0X10
#define DA9052_CONTROLD_KEEPACTEN 0X08
#define DA9052_CONTROLD_TWDSCALE 0X07
/* POWER DOWN DISABLE REGISTER BITS */
#define DA9052_PDDIS_PMCONTPD 0X80
#define DA9052_PDDIS_OUT32KPD 0X40
#define DA9052_PDDIS_CHGBBATPD 0X20
#define DA9052_PDDIS_CHGPD 0X10
#define DA9052_PDDIS_HS2WIREPD 0X08
#define DA9052_PDDIS_PMIFPD 0X04
#define DA9052_PDDIS_GPADCPD 0X02
#define DA9052_PDDIS_GPIOPD 0X01
/* CONTROL REGISTER D BITS */
#define DA9052_INTERFACE_IFBASEADDR 0XE0
#define DA9052_INTERFACE_NCSPOL 0X10
#define DA9052_INTERFACE_RWPOL 0X08
#define DA9052_INTERFACE_CPHA 0X04
#define DA9052_INTERFACE_CPOL 0X02
#define DA9052_INTERFACE_IFTYPE 0X01
/* CONTROL REGISTER D BITS */
#define DA9052_RESET_RESETEVENT 0XC0
#define DA9052_RESET_RESETTIMER 0X3F
/* GPIO REGISTERS */
/* GPIO CONTROL REGISTER BITS */
#define DA9052_GPIO_EVEN_PORT_PIN 0X03
#define DA9052_GPIO_EVEN_PORT_TYPE 0X04
#define DA9052_GPIO_EVEN_PORT_MODE 0X08
#define DA9052_GPIO_ODD_PORT_PIN 0X30
#define DA9052_GPIO_ODD_PORT_TYPE 0X40
#define DA9052_GPIO_ODD_PORT_MODE 0X80
/*POWER SEQUENCER REGISTER BITS */
/* SEQ CONTROL REGISTER BITS FOR ID 0 AND 1 */
#define DA9052_ID01_LDO1STEP 0XF0
#define DA9052_ID01_SYSPRE 0X04
#define DA9052_ID01_DEFSUPPLY 0X02
#define DA9052_ID01_NRESMODE 0X01
/* SEQ CONTROL REGISTER BITS FOR ID 2 AND 3 */
#define DA9052_ID23_LDO3STEP 0XF0
#define DA9052_ID23_LDO2STEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 4 AND 5 */
#define DA9052_ID45_LDO5STEP 0XF0
#define DA9052_ID45_LDO4STEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 6 AND 7 */
#define DA9052_ID67_LDO7STEP 0XF0
#define DA9052_ID67_LDO6STEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 8 AND 9 */
#define DA9052_ID89_LDO9STEP 0XF0
#define DA9052_ID89_LDO8STEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 10 AND 11 */
#define DA9052_ID1011_PDDISSTEP 0XF0
#define DA9052_ID1011_LDO10STEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 12 AND 13 */
#define DA9052_ID1213_VMEMSWSTEP 0XF0
#define DA9052_ID1213_VPERISWSTEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 14 AND 15 */
#define DA9052_ID1415_BUCKPROSTEP 0XF0
#define DA9052_ID1415_BUCKCORESTEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 16 AND 17 */
#define DA9052_ID1617_BUCKPERISTEP 0XF0
#define DA9052_ID1617_BUCKMEMSTEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 18 AND 19 */
#define DA9052_ID1819_GPRISE2STEP 0XF0
#define DA9052_ID1819_GPRISE1STEP 0X0F
/* SEQ CONTROL REGISTER BITS FOR ID 20 AND 21 */
#define DA9052_ID2021_GPFALL2STEP 0XF0
#define DA9052_ID2021_GPFALL1STEP 0X0F
/* POWER SEQ STATUS REGISTER BITS */
#define DA9052_SEQSTATUS_SEQPOINTER 0XF0
#define DA9052_SEQSTATUS_WAITSTEP 0X0F
/* POWER SEQ A REGISTER BITS */
#define DA9052_SEQA_POWEREND 0XF0
#define DA9052_SEQA_SYSTEMEND 0X0F
/* POWER SEQ B REGISTER BITS */
#define DA9052_SEQB_PARTDOWN 0XF0
#define DA9052_SEQB_MAXCOUNT 0X0F
/* POWER SEQ TIMER REGISTER BITS */
#define DA9052_SEQTIMER_SEQDUMMY 0XF0
#define DA9052_SEQTIMER_SEQTIME 0X0F
/*POWER SUPPLY CONTROL REGISTER BITS */
/* BUCK REGISTER A BITS */
#define DA9052_BUCKA_BPROILIM 0XC0
#define DA9052_BUCKA_BPROMODE 0X30
#define DA9052_BUCKA_BCOREILIM 0X0C
#define DA9052_BUCKA_BCOREMODE 0X03
/* BUCK REGISTER B BITS */
#define DA9052_BUCKB_BERIILIM 0XC0
#define DA9052_BUCKB_BPERIMODE 0X30
#define DA9052_BUCKB_BMEMILIM 0X0C
#define DA9052_BUCKB_BMEMMODE 0X03
/* BUCKCORE REGISTER BITS */
#define DA9052_BUCKCORE_BCORECONF 0X80
#define DA9052_BUCKCORE_BCOREEN 0X40
#define DA9052_BUCKCORE_VBCORE 0X3F
/* BUCKPRO REGISTER BITS */
#define DA9052_BUCKPRO_BPROCONF 0X80
#define DA9052_BUCKPRO_BPROEN 0X40
#define DA9052_BUCKPRO_VBPRO 0X3F
/* BUCKMEM REGISTER BITS */
#define DA9052_BUCKMEM_BMEMCONF 0X80
#define DA9052_BUCKMEM_BMEMEN 0X40
#define DA9052_BUCKMEM_VBMEM 0X3F
/* BUCKPERI REGISTER BITS */
#define DA9052_BUCKPERI_BPERICONF 0X80
#define DA9052_BUCKPERI_BPERIEN 0X40
#define DA9052_BUCKPERI_BPERIHS 0X20
#define DA9052_BUCKPERI_VBPERI 0X1F
/* LDO1 REGISTER BITS */
#define DA9052_LDO1_LDO1CONF 0X80
#define DA9052_LDO1_LDO1EN 0X40
#define DA9052_LDO1_VLDO1 0X1F
/* LDO2 REGISTER BITS */
#define DA9052_LDO2_LDO2CONF 0X80
#define DA9052_LDO2_LDO2EN 0X40
#define DA9052_LDO2_VLDO2 0X3F
/* LDO3 REGISTER BITS */
#define DA9052_LDO3_LDO3CONF 0X80
#define DA9052_LDO3_LDO3EN 0X40
#define DA9052_LDO3_VLDO3 0X3F
/* LDO4 REGISTER BITS */
#define DA9052_LDO4_LDO4CONF 0X80
#define DA9052_LDO4_LDO4EN 0X40
#define DA9052_LDO4_VLDO4 0X3F
/* LDO5 REGISTER BITS */
#define DA9052_LDO5_LDO5CONF 0X80
#define DA9052_LDO5_LDO5EN 0X40
#define DA9052_LDO5_VLDO5 0X3F
/* LDO6 REGISTER BITS */
#define DA9052_LDO6_LDO6CONF 0X80
#define DA9052_LDO6_LDO6EN 0X40
#define DA9052_LDO6_VLDO6 0X3F
/* LDO7 REGISTER BITS */
#define DA9052_LDO7_LDO7CONF 0X80
#define DA9052_LDO7_LDO7EN 0X40
#define DA9052_LDO7_VLDO7 0X3F
/* LDO8 REGISTER BITS */
#define DA9052_LDO8_LDO8CONF 0X80
#define DA9052_LDO8_LDO8EN 0X40
#define DA9052_LDO8_VLDO8 0X3F
/* LDO9 REGISTER BITS */
#define DA9052_LDO9_LDO9CONF 0X80
#define DA9052_LDO9_LDO9EN 0X40
#define DA9052_LDO9_VLDO9 0X3F
/* LDO10 REGISTER BITS */
#define DA9052_LDO10_LDO10CONF 0X80
#define DA9052_LDO10_LDO10EN 0X40
#define DA9052_LDO10_VLDO10 0X3F
/* SUPPLY REGISTER BITS */
#define DA9052_SUPPLY_VLOCK 0X80
#define DA9052_SUPPLY_VMEMSWEN 0X40
#define DA9052_SUPPLY_VPERISWEN 0X20
#define DA9052_SUPPLY_VLDO3GO 0X10
#define DA9052_SUPPLY_VLDO2GO 0X08
#define DA9052_SUPPLY_VBMEMGO 0X04
#define DA9052_SUPPLY_VBPROGO 0X02
#define DA9052_SUPPLY_VBCOREGO 0X01
/* PULLDOWN REGISTER BITS */
#define DA9052_PULLDOWN_LDO5PDDIS 0X20
#define DA9052_PULLDOWN_LDO2PDDIS 0X10
#define DA9052_PULLDOWN_LDO1PDDIS 0X08
#define DA9052_PULLDOWN_MEMPDDIS 0X04
#define DA9052_PULLDOWN_PROPDDIS 0X02
#define DA9052_PULLDOWN_COREPDDIS 0X01
/* BAT CHARGER REGISTER BITS */
/* CHARGER BUCK REGISTER BITS */
#define DA9052_CHGBUCK_CHGTEMP 0X80
#define DA9052_CHGBUCK_CHGUSBILIM 0X40
#define DA9052_CHGBUCK_CHGBUCKLP 0X20
#define DA9052_CHGBUCK_CHGBUCKEN 0X10
#define DA9052_CHGBUCK_ISETBUCK 0X0F
/* WAIT COUNTER REGISTER BITS */
#define DA9052_WAITCONT_WAITDIR 0X80
#define DA9052_WAITCONT_RTCCLOCK 0X40
#define DA9052_WAITCONT_WAITMODE 0X20
#define DA9052_WAITCONT_EN32KOUT 0X10
#define DA9052_WAITCONT_DELAYTIME 0X0F
/* ISET CONTROL REGISTER BITS */
#define DA9052_ISET_ISETDCIN 0XF0
#define DA9052_ISET_ISETVBUS 0X0F
/* BATTERY CHARGER CONTROL REGISTER BITS */
#define DA9052_BATCHG_ICHGPRE 0XC0
#define DA9052_BATCHG_ICHGBAT 0X3F
/* CHARGER COUNTER REGISTER BITS */
#define DA9052_CHG_CONT_VCHG_BAT 0XF8
#define DA9052_CHG_CONT_TCTR 0X07
/* INPUT CONTROL REGISTER BITS */
#define DA9052_INPUT_CONT_TCTR_MODE 0X80
#define DA9052_INPUT_CONT_VBUS_SUSP 0X10
#define DA9052_INPUT_CONT_DCIN_SUSP 0X08
/* CHARGING TIME REGISTER BITS */
#define DA9052_CHGTIME_CHGTIME 0XFF
/* BACKUP BATTERY CONTROL REGISTER BITS */
#define DA9052_BBATCONT_BCHARGERISET 0XF0
#define DA9052_BBATCONT_BCHARGERVSET 0X0F
/* LED REGISTERS BITS */
/* LED BOOST REGISTER BITS */
#define DA9052_BOOST_EBFAULT 0X80
#define DA9052_BOOST_MBFAULT 0X40
#define DA9052_BOOST_BOOSTFRQ 0X20
#define DA9052_BOOST_BOOSTILIM 0X10
#define DA9052_BOOST_LED3INEN 0X08
#define DA9052_BOOST_LED2INEN 0X04
#define DA9052_BOOST_LED1INEN 0X02
#define DA9052_BOOST_BOOSTEN 0X01
/* LED CONTROL REGISTER BITS */
#define DA9052_LEDCONT_SELLEDMODE 0X80
#define DA9052_LEDCONT_LED3ICONT 0X40
#define DA9052_LEDCONT_LED3RAMP 0X20
#define DA9052_LEDCONT_LED3EN 0X10
#define DA9052_LEDCONT_LED2RAMP 0X08
#define DA9052_LEDCONT_LED2EN 0X04
#define DA9052_LEDCONT_LED1RAMP 0X02
#define DA9052_LEDCONT_LED1EN 0X01
/* LEDMIN123 REGISTER BIT */
#define DA9052_LEDMIN123_LEDMINCURRENT 0XFF
/* LED1CONF REGISTER BIT */
#define DA9052_LED1CONF_LED1CURRENT 0XFF
/* LED2CONF REGISTER BIT */
#define DA9052_LED2CONF_LED2CURRENT 0XFF
/* LED3CONF REGISTER BIT */
#define DA9052_LED3CONF_LED3CURRENT 0XFF
/* LED COUNT REGISTER BIT */
#define DA9052_LED_CONT_DIM 0X80
/* ADC MAN REGISTERS BITS */
#define DA9052_ADC_MAN_MAN_CONV 0X10
#define DA9052_ADC_MAN_MUXSEL_VDDOUT 0X00
#define DA9052_ADC_MAN_MUXSEL_ICH 0X01
#define DA9052_ADC_MAN_MUXSEL_TBAT 0X02
#define DA9052_ADC_MAN_MUXSEL_VBAT 0X03
#define DA9052_ADC_MAN_MUXSEL_AD4 0X04
#define DA9052_ADC_MAN_MUXSEL_AD5 0X05
#define DA9052_ADC_MAN_MUXSEL_AD6 0X06
#define DA9052_ADC_MAN_MUXSEL_VBBAT 0X09
/* ADC CONTROL REGSISTERS BITS */
#define DA9052_ADCCONT_COMP1V2EN 0X80
#define DA9052_ADCCONT_ADCMODE 0X40
#define DA9052_ADCCONT_TBATISRCEN 0X20
#define DA9052_ADCCONT_AD4ISRCEN 0X10
#define DA9052_ADCCONT_AUTOAD6EN 0X08
#define DA9052_ADCCONT_AUTOAD5EN 0X04
#define DA9052_ADCCONT_AUTOAD4EN 0X02
#define DA9052_ADCCONT_AUTOVDDEN 0X01
/* ADC 10 BIT MANUAL CONVERSION RESULT LOW REGISTER */
#define DA9052_ADC_RES_LSB 0X03
/* ADC 10 BIT MANUAL CONVERSION RESULT HIGH REGISTER */
#define DA9052_ADCRESH_ADCRESMSB 0XFF
/* VDD RES REGSISTER BIT*/
#define DA9052_VDDRES_VDDOUTRES 0XFF
/* VDD MON REGSISTER BIT */
#define DA9052_VDDMON_VDDOUTMON 0XFF
/* ICHG_AV REGSISTER BIT */
#define DA9052_ICHGAV_ICHGAV 0XFF
/* ICHG_THD REGSISTER BIT */
#define DA9052_ICHGTHD_ICHGTHD 0XFF
/* ICHG_END REGSISTER BIT */
#define DA9052_ICHGEND_ICHGEND 0XFF
/* TBAT_RES REGSISTER BIT */
#define DA9052_TBATRES_TBATRES 0XFF
/* TBAT_HIGHP REGSISTER BIT */
#define DA9052_TBATHIGHP_TBATHIGHP 0XFF
/* TBAT_HIGHN REGSISTER BIT */
#define DA9052_TBATHIGHN_TBATHIGHN 0XFF
/* TBAT_LOW REGSISTER BIT */
#define DA9052_TBATLOW_TBATLOW 0XFF
/* T_OFFSET REGSISTER BIT */
#define DA9052_TOFFSET_TOFFSET 0XFF
/* ADCIN4_RES REGSISTER BIT */
#define DA9052_ADCIN4RES_ADCIN4RES 0XFF
/* ADCIN4_HIGH REGSISTER BIT */
#define DA9052_AUTO4HIGH_AUTO4HIGH 0XFF
/* ADCIN4_LOW REGSISTER BIT */
#define DA9052_AUTO4LOW_AUTO4LOW 0XFF
/* ADCIN5_RES REGSISTER BIT */
#define DA9052_ADCIN5RES_ADCIN5RES 0XFF
/* ADCIN5_HIGH REGSISTER BIT */
#define DA9052_AUTO5HIGH_AUTOHIGH 0XFF
/* ADCIN5_LOW REGSISTER BIT */
#define DA9052_AUTO5LOW_AUTO5LOW 0XFF
/* ADCIN6_RES REGSISTER BIT */
#define DA9052_ADCIN6RES_ADCIN6RES 0XFF
/* ADCIN6_HIGH REGSISTER BIT */
#define DA9052_AUTO6HIGH_AUTO6HIGH 0XFF
/* ADCIN6_LOW REGSISTER BIT */
#define DA9052_AUTO6LOW_AUTO6LOW 0XFF
/* TJUNC_RES REGSISTER BIT*/
#define DA9052_TJUNCRES_TJUNCRES 0XFF
/* TSI REGISTER */
/* TSI CONTROL REGISTER A BITS */
#define DA9052_TSICONTA_TSIDELAY 0XC0
#define DA9052_TSICONTA_TSISKIP 0X38
#define DA9052_TSICONTA_TSIMODE 0X04
#define DA9052_TSICONTA_PENDETEN 0X02
#define DA9052_TSICONTA_AUTOTSIEN 0X01
/* TSI CONTROL REGISTER B BITS */
#define DA9052_TSICONTB_ADCREF 0X80
#define DA9052_TSICONTB_TSIMAN 0X40
#define DA9052_TSICONTB_TSIMUX 0X30
#define DA9052_TSICONTB_TSISEL3 0X08
#define DA9052_TSICONTB_TSISEL2 0X04
#define DA9052_TSICONTB_TSISEL1 0X02
#define DA9052_TSICONTB_TSISEL0 0X01
/* TSI X CO-ORDINATE MSB RESULT REGISTER BITS */
#define DA9052_TSIXMSB_TSIXM 0XFF
/* TSI Y CO-ORDINATE MSB RESULT REGISTER BITS */
#define DA9052_TSIYMSB_TSIYM 0XFF
/* TSI CO-ORDINATE LSB RESULT REGISTER BITS */
#define DA9052_TSILSB_PENDOWN 0X40
#define DA9052_TSILSB_TSIZL 0X30
#define DA9052_TSILSB_TSIYL 0X0C
#define DA9052_TSILSB_TSIXL 0X03
/* TSI Z MEASUREMENT MSB RESULT REGISTER BIT */
#define DA9052_TSIZMSB_TSIZM 0XFF
/* RTC REGISTER */
/* RTC TIMER SECONDS REGISTER BITS */
#define DA9052_COUNTS_MONITOR 0X40
#define DA9052_RTC_SEC 0X3F
/* RTC TIMER MINUTES REGISTER BIT */
#define DA9052_RTC_MIN 0X3F
/* RTC TIMER HOUR REGISTER BIT */
#define DA9052_RTC_HOUR 0X1F
/* RTC TIMER DAYS REGISTER BIT */
#define DA9052_RTC_DAY 0X1F
/* RTC TIMER MONTHS REGISTER BIT */
#define DA9052_RTC_MONTH 0X0F
/* RTC TIMER YEARS REGISTER BIT */
#define DA9052_RTC_YEAR 0X3F
/* RTC ALARM MINUTES REGISTER BITS */
#define DA9052_ALARMM_I_TICK_TYPE 0X80
#define DA9052_ALARMMI_ALARMTYPE 0X40
/* RTC ALARM YEARS REGISTER BITS */
#define DA9052_ALARM_Y_TICK_ON 0X80
#define DA9052_ALARM_Y_ALARM_ON 0X40
/* RTC SECONDS REGISTER A BITS */
#define DA9052_SECONDA_SECONDSA 0XFF
/* RTC SECONDS REGISTER B BITS */
#define DA9052_SECONDB_SECONDSB 0XFF
/* RTC SECONDS REGISTER C BITS */
#define DA9052_SECONDC_SECONDSC 0XFF
/* RTC SECONDS REGISTER D BITS */
#define DA9052_SECONDD_SECONDSD 0XFF
#endif
/* __LINUX_MFD_DA9052_REG_H */
include/linux/regmap.h
View file @ b7d845f8
...@@ -23,9 +23,8 @@ struct spi_device; ...@@ -23,9 +23,8 @@ struct spi_device;
/* An enum of all the supported cache types */ /* An enum of all the supported cache types */
enum regcache_type { enum regcache_type {
REGCACHE_NONE, REGCACHE_NONE,
REGCACHE_INDEXED,
REGCACHE_RBTREE, REGCACHE_RBTREE,
REGCACHE_LZO REGCACHE_COMPRESSED
}; };
/** /**
...@@ -83,7 +82,7 @@ struct regmap_config { ...@@ -83,7 +82,7 @@ struct regmap_config {
bool (*precious_reg)(struct device *dev, unsigned int reg); bool (*precious_reg)(struct device *dev, unsigned int reg);
unsigned int max_register; unsigned int max_register;
struct reg_default *reg_defaults; const struct reg_default *reg_defaults;
unsigned int num_reg_defaults; unsigned int num_reg_defaults;
enum regcache_type cache_type; enum regcache_type cache_type;
const void *reg_defaults_raw; const void *reg_defaults_raw;
...@@ -129,6 +128,8 @@ struct regmap *regmap_init_spi(struct spi_device *dev, ...@@ -129,6 +128,8 @@ struct regmap *regmap_init_spi(struct spi_device *dev,
const struct regmap_config *config); const struct regmap_config *config);
void regmap_exit(struct regmap *map); void regmap_exit(struct regmap *map);
int regmap_reinit_cache(struct regmap *map,
const struct regmap_config *config);
int regmap_write(struct regmap *map, unsigned int reg, unsigned int val); int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
int regmap_raw_write(struct regmap *map, unsigned int reg, int regmap_raw_write(struct regmap *map, unsigned int reg,
const void *val, size_t val_len); const void *val, size_t val_len);
...@@ -139,9 +140,61 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, ...@@ -139,9 +140,61 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
size_t val_count); size_t val_count);
int regmap_update_bits(struct regmap *map, unsigned int reg, int regmap_update_bits(struct regmap *map, unsigned int reg,
unsigned int mask, unsigned int val); unsigned int mask, unsigned int val);
int regmap_update_bits_check(struct regmap *map, unsigned int reg,
unsigned int mask, unsigned int val,
bool *change);
int regcache_sync(struct regmap *map); int regcache_sync(struct regmap *map);
void regcache_cache_only(struct regmap *map, bool enable); void regcache_cache_only(struct regmap *map, bool enable);
void regcache_cache_bypass(struct regmap *map, bool enable); void regcache_cache_bypass(struct regmap *map, bool enable);
void regcache_mark_dirty(struct regmap *map);
/**
* Description of an IRQ for the generic regmap irq_chip.
*
* @reg_offset: Offset of the status/mask register within the bank
* @mask: Mask used to flag/control the register.
*/
struct regmap_irq {
unsigned int reg_offset;
unsigned int mask;
};
/**
* Description of a generic regmap irq_chip. This is not intended to
* handle every possible interrupt controller, but it should handle a
* substantial proportion of those that are found in the wild.
*
* @name: Descriptive name for IRQ controller.
*
* @status_base: Base status register address.
* @mask_base: Base mask register address.
* @ack_base: Base ack address. If zero then the chip is clear on read.
*
* @num_regs: Number of registers in each control bank.
* @irqs: Descriptors for individual IRQs. Interrupt numbers are
* assigned based on the index in the array of the interrupt.
* @num_irqs: Number of descriptors.
*/
struct regmap_irq_chip {
const char *name;
unsigned int status_base;
unsigned int mask_base;
unsigned int ack_base;
int num_regs;
const struct regmap_irq *irqs;
int num_irqs;
};
struct regmap_irq_chip_data;
int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
int irq_base, struct regmap_irq_chip *chip,
struct regmap_irq_chip_data **data);
void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data);
#endif #endif
include/trace/events/regmap.h
View file @ b7d845f8
...@@ -55,6 +55,15 @@ DEFINE_EVENT(regmap_reg, regmap_reg_read, ...@@ -55,6 +55,15 @@ DEFINE_EVENT(regmap_reg, regmap_reg_read,
); );
DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
TP_PROTO(struct device *dev, unsigned int reg,
unsigned int val),
TP_ARGS(dev, reg, val)
);
DECLARE_EVENT_CLASS(regmap_block, DECLARE_EVENT_CLASS(regmap_block,
TP_PROTO(struct device *dev, unsigned int reg, int count), TP_PROTO(struct device *dev, unsigned int reg, int count),
......
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