[PATCH v2] regulator: pfuze100: add pfuze200 support
From: Robin Gong
Date: Tue Mar 04 2014 - 00:39:56 EST
support pfuze200 chip which remove SW1C and SW4 based on pfuze100.
Signed-off-by: Robin Gong <b38343@xxxxxxxxxxxxx>
---
drivers/regulator/pfuze100-regulator.c | 196 +++++++++++++++++++++++---------
include/linux/regulator/pfuze100.h | 14 +++
2 files changed, 157 insertions(+), 53 deletions(-)
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index ab174f2..9bf0ee9 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -56,6 +56,8 @@
#define PFUZE100_VGEN5VOL 0x70
#define PFUZE100_VGEN6VOL 0x71
+enum chips {PFUZE100, PFUZE200, PFUZE_NUM};
+
struct pfuze_regulator {
struct regulator_desc desc;
unsigned char stby_reg;
@@ -63,6 +65,7 @@ struct pfuze_regulator {
};
struct pfuze_chip {
+ int chip_id;
struct regmap *regmap;
struct device *dev;
struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR];
@@ -77,15 +80,15 @@ static const int pfuze100_vsnvs[] = {
1000000, 1100000, 1200000, 1300000, 1500000, 1800000, 3000000,
};
-static const struct i2c_device_id pfuze_device_id[] = {
- {.name = "pfuze100"},
- {},
+static const struct i2c_device_id pfuze_device_id[PFUZE_NUM] = {
+ {.name = "pfuze100", .driver_data = PFUZE100},
+ {.name = "pfuze200", .driver_data = PFUZE200},
};
MODULE_DEVICE_TABLE(i2c, pfuze_device_id);
-static const struct of_device_id pfuze_dt_ids[] = {
- { .compatible = "fsl,pfuze100" },
- {},
+static const struct of_device_id pfuze_dt_ids[PFUZE_NUM] = {
+ { .compatible = "fsl,pfuze100", .data = (void *)PFUZE100},
+ { .compatible = "fsl,pfuze200", .data = (void *)PFUZE200},
};
MODULE_DEVICE_TABLE(of, pfuze_dt_ids);
@@ -139,14 +142,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
};
-#define PFUZE100_FIXED_REG(_name, base, voltage) \
- [PFUZE100_ ## _name] = { \
+#define PFUZE100_FIXED_REG(_chip, _name, base, voltage) \
+ [_chip ## _ ## _name] = { \
.desc = { \
.name = #_name, \
.n_voltages = 1, \
.ops = &pfuze100_fixed_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
- .id = PFUZE100_ ## _name, \
+ .id = _chip ## _ ## _name, \
.owner = THIS_MODULE, \
.min_uV = (voltage), \
.enable_reg = (base), \
@@ -154,14 +157,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
}, \
}
-#define PFUZE100_SW_REG(_name, base, min, max, step) \
- [PFUZE100_ ## _name] = { \
+#define PFUZE100_SW_REG(_chip, _name, base, min, max, step) \
+ [_chip ## _ ## _name] = { \
.desc = { \
.name = #_name,\
.n_voltages = ((max) - (min)) / (step) + 1, \
.ops = &pfuze100_sw_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
- .id = PFUZE100_ ## _name, \
+ .id = _chip ## _ ## _name, \
.owner = THIS_MODULE, \
.min_uV = (min), \
.uV_step = (step), \
@@ -172,14 +175,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
.stby_mask = 0x3f, \
}
-#define PFUZE100_SWB_REG(_name, base, mask, voltages) \
- [PFUZE100_ ## _name] = { \
+#define PFUZE100_SWB_REG(_chip, _name, base, mask, voltages) \
+ [_chip ## _ ## _name] = { \
.desc = { \
.name = #_name, \
.n_voltages = ARRAY_SIZE(voltages), \
.ops = &pfuze100_swb_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
- .id = PFUZE100_ ## _name, \
+ .id = _chip ## _ ## _name, \
.owner = THIS_MODULE, \
.volt_table = voltages, \
.vsel_reg = (base), \
@@ -187,14 +190,14 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
}, \
}
-#define PFUZE100_VGEN_REG(_name, base, min, max, step) \
- [PFUZE100_ ## _name] = { \
+#define PFUZE100_VGEN_REG(_chip, _name, base, min, max, step) \
+ [_chip ## _ ## _name] = { \
.desc = { \
.name = #_name, \
.n_voltages = ((max) - (min)) / (step) + 1, \
.ops = &pfuze100_ldo_regulator_ops, \
.type = REGULATOR_VOLTAGE, \
- .id = PFUZE100_ ## _name, \
+ .id = _chip ## _ ## _name, \
.owner = THIS_MODULE, \
.min_uV = (min), \
.uV_step = (step), \
@@ -207,25 +210,45 @@ static struct regulator_ops pfuze100_swb_regulator_ops = {
.stby_mask = 0x20, \
}
+/* PFUZE100 */
static struct pfuze_regulator pfuze100_regulators[] = {
- PFUZE100_SW_REG(SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
- PFUZE100_SW_REG(SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000),
- PFUZE100_SW_REG(SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
- PFUZE100_SW_REG(SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
- PFUZE100_SW_REG(SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
- PFUZE100_SW_REG(SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000),
- PFUZE100_SWB_REG(SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
- PFUZE100_SWB_REG(VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
- PFUZE100_FIXED_REG(VREFDDR, PFUZE100_VREFDDRCON, 750000),
- PFUZE100_VGEN_REG(VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
- PFUZE100_VGEN_REG(VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
- PFUZE100_VGEN_REG(VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
- PFUZE100_VGEN_REG(VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
- PFUZE100_VGEN_REG(VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
- PFUZE100_VGEN_REG(VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
+ PFUZE100_SW_REG(PFUZE100, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
+ PFUZE100_SW_REG(PFUZE100, SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000),
+ PFUZE100_SW_REG(PFUZE100, SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
+ PFUZE100_SW_REG(PFUZE100, SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
+ PFUZE100_SW_REG(PFUZE100, SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
+ PFUZE100_SW_REG(PFUZE100, SW4, PFUZE100_SW4VOL, 400000, 1975000, 25000),
+ PFUZE100_SWB_REG(PFUZE100, SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
+ PFUZE100_SWB_REG(PFUZE100, VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
+ PFUZE100_FIXED_REG(PFUZE100, VREFDDR, PFUZE100_VREFDDRCON, 750000),
+ PFUZE100_VGEN_REG(PFUZE100, VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
+ PFUZE100_VGEN_REG(PFUZE100, VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
+ PFUZE100_VGEN_REG(PFUZE100, VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
+ PFUZE100_VGEN_REG(PFUZE100, VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
+ PFUZE100_VGEN_REG(PFUZE100, VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
+ PFUZE100_VGEN_REG(PFUZE100, VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
+};
+
+static struct pfuze_regulator pfuze200_regulators[] = {
+ PFUZE100_SW_REG(PFUZE200, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
+ PFUZE100_SW_REG(PFUZE200, SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
+ PFUZE100_SW_REG(PFUZE200, SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
+ PFUZE100_SW_REG(PFUZE200, SW3B, PFUZE100_SW3BVOL, 400000, 1975000, 25000),
+ PFUZE100_SWB_REG(PFUZE200, SWBST, PFUZE100_SWBSTCON1, 0x3 , pfuze100_swbst),
+ PFUZE100_SWB_REG(PFUZE200, VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs),
+ PFUZE100_FIXED_REG(PFUZE200, VREFDDR, PFUZE100_VREFDDRCON, 750000),
+ PFUZE100_VGEN_REG(PFUZE200, VGEN1, PFUZE100_VGEN1VOL, 800000, 1550000, 50000),
+ PFUZE100_VGEN_REG(PFUZE200, VGEN2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000),
+ PFUZE100_VGEN_REG(PFUZE200, VGEN3, PFUZE100_VGEN3VOL, 1800000, 3300000, 100000),
+ PFUZE100_VGEN_REG(PFUZE200, VGEN4, PFUZE100_VGEN4VOL, 1800000, 3300000, 100000),
+ PFUZE100_VGEN_REG(PFUZE200, VGEN5, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000),
+ PFUZE100_VGEN_REG(PFUZE200, VGEN6, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
};
+static struct pfuze_regulator *pfuze_regulators;
+
#ifdef CONFIG_OF
+/* PFUZE100 */
static struct of_regulator_match pfuze100_matches[] = {
{ .name = "sw1ab", },
{ .name = "sw1c", },
@@ -244,6 +267,26 @@ static struct of_regulator_match pfuze100_matches[] = {
{ .name = "vgen6", },
};
+/* PFUZE200 */
+static struct of_regulator_match pfuze200_matches[] = {
+
+ { .name = "sw1ab", },
+ { .name = "sw2", },
+ { .name = "sw3a", },
+ { .name = "sw3b", },
+ { .name = "swbst", },
+ { .name = "vsnvs", },
+ { .name = "vrefddr", },
+ { .name = "vgen1", },
+ { .name = "vgen2", },
+ { .name = "vgen3", },
+ { .name = "vgen4", },
+ { .name = "vgen5", },
+ { .name = "vgen6", },
+};
+
+static struct of_regulator_match *pfuze_matches;
+
static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
{
struct device *dev = chip->dev;
@@ -260,8 +303,18 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
return -EINVAL;
}
- ret = of_regulator_match(dev, parent, pfuze100_matches,
- ARRAY_SIZE(pfuze100_matches));
+ switch (chip->chip_id) {
+ case PFUZE200:
+ ret = of_regulator_match(dev, parent, pfuze200_matches,
+ ARRAY_SIZE(pfuze200_matches));
+ break;
+
+ case PFUZE100:
+ default:
+ ret = of_regulator_match(dev, parent, pfuze100_matches,
+ ARRAY_SIZE(pfuze100_matches));
+ break;
+ }
of_node_put(parent);
if (ret < 0) {
@@ -275,12 +328,12 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
static inline struct regulator_init_data *match_init_data(int index)
{
- return pfuze100_matches[index].init_data;
+ return pfuze_matches[index].init_data;
}
static inline struct device_node *match_of_node(int index)
{
- return pfuze100_matches[index].of_node;
+ return pfuze_matches[index].of_node;
}
#else
static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
@@ -308,16 +361,14 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip)
if (ret)
return ret;
- switch (value & 0x0f) {
- /*
- * Freescale misprogrammed 1-3% of parts prior to week 8 of 2013
- * as ID=8
- */
- case 0x8:
+ if (((value & 0x0f) == 0x8) && (pfuze_chip->chip_id == PFUZE100)) {
+ /*
+ * Freescale misprogrammed 1-3% of parts prior to week 8 of 2013
+ * as ID=8 in PFUZE100
+ */
dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8");
- case 0x0:
- break;
- default:
+ } else if ((value & 0x0f) != pfuze_chip->chip_id) {
+ /* device id NOT match with your setting */
dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value);
return -ENODEV;
}
@@ -353,17 +404,31 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
dev_get_platdata(&client->dev);
struct regulator_config config = { };
int i, ret;
+ const struct of_device_id *match;
+ u32 regulator_num;
+ u32 sw_check_start, sw_check_end;
pfuze_chip = devm_kzalloc(&client->dev, sizeof(*pfuze_chip),
GFP_KERNEL);
if (!pfuze_chip)
return -ENOMEM;
- i2c_set_clientdata(client, pfuze_chip);
-
- memcpy(pfuze_chip->regulator_descs, pfuze100_regulators,
- sizeof(pfuze_chip->regulator_descs));
+ if (client->dev.of_node) {
+ match = of_match_device(of_match_ptr(pfuze_dt_ids),
+ &client->dev);
+ if (!match) {
+ dev_err(&client->dev, "Error: No device match found\n");
+ return -ENODEV;
+ }
+ pfuze_chip->chip_id = (int)(long)match->data;
+ } else if (id) {
+ pfuze_chip->chip_id = id->driver_data;
+ } else {
+ dev_err(&client->dev, "No dts match or id table match found\n");
+ return -ENODEV;
+ }
+ i2c_set_clientdata(client, pfuze_chip);
pfuze_chip->dev = &client->dev;
pfuze_chip->regmap = devm_regmap_init_i2c(client, &pfuze_regmap_config);
@@ -380,11 +445,36 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
return ret;
}
+ /* use the right regulators after identify the right device */
+ switch (pfuze_chip->chip_id) {
+ case PFUZE200:
+ pfuze_regulators = pfuze200_regulators;
+ pfuze_matches = pfuze200_matches;
+ regulator_num = ARRAY_SIZE(pfuze200_regulators);
+ sw_check_start = PFUZE200_SW2;
+ sw_check_end = PFUZE200_SW3B;
+ break;
+
+ case PFUZE100:
+ default:
+ pfuze_regulators = pfuze100_regulators;
+ pfuze_matches = pfuze100_matches;
+ regulator_num = ARRAY_SIZE(pfuze100_regulators);
+ sw_check_start = PFUZE100_SW2;
+ sw_check_end = PFUZE100_SW4;
+ break;
+ }
+ dev_err(&client->dev, "pfuze%s found.\n",
+ (pfuze_chip->chip_id == PFUZE100) ? "100" : "200");
+
+ memcpy(pfuze_chip->regulator_descs, pfuze_regulators,
+ sizeof(pfuze_chip->regulator_descs));
+
ret = pfuze_parse_regulators_dt(pfuze_chip);
if (ret)
return ret;
- for (i = 0; i < PFUZE100_MAX_REGULATOR; i++) {
+ for (i = 0; i < regulator_num; i++) {
struct regulator_init_data *init_data;
struct regulator_desc *desc;
int val;
@@ -397,7 +487,7 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
init_data = match_init_data(i);
/* SW2~SW4 high bit check and modify the voltage value table */
- if (i > PFUZE100_SW1C && i < PFUZE100_SWBST) {
+ if (i >= sw_check_start && i <= sw_check_end) {
regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val);
if (val & 0x40) {
desc->min_uV = 800000;
@@ -415,7 +505,7 @@ static int pfuze100_regulator_probe(struct i2c_client *client,
devm_regulator_register(&client->dev, desc, &config);
if (IS_ERR(pfuze_chip->regulators[i])) {
dev_err(&client->dev, "register regulator%s failed\n",
- pfuze100_regulators[i].desc.name);
+ pfuze_regulators[i].desc.name);
return PTR_ERR(pfuze_chip->regulators[i]);
}
}
diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h
index 65d550b..364f7a7 100644
--- a/include/linux/regulator/pfuze100.h
+++ b/include/linux/regulator/pfuze100.h
@@ -35,6 +35,20 @@
#define PFUZE100_VGEN6 14
#define PFUZE100_MAX_REGULATOR 15
+#define PFUZE200_SW1AB 0
+#define PFUZE200_SW2 1
+#define PFUZE200_SW3A 2
+#define PFUZE200_SW3B 3
+#define PFUZE200_SWBST 4
+#define PFUZE200_VSNVS 5
+#define PFUZE200_VREFDDR 6
+#define PFUZE200_VGEN1 7
+#define PFUZE200_VGEN2 8
+#define PFUZE200_VGEN3 9
+#define PFUZE200_VGEN4 10
+#define PFUZE200_VGEN5 11
+#define PFUZE200_VGEN6 12
+
struct regulator_init_data;
struct pfuze_regulator_platform_data {
--
1.7.5.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/