diff options
author | J Keerthy <j-keerthy@ti.com> | 2013-06-19 07:57:48 +0200 |
---|---|---|
committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-06-20 11:29:18 +0200 |
commit | 1ffb0be3ad6186b421921de91092917f0b3ee3e2 (patch) | |
tree | 648c9f7c74880fbfb921a6b95c9e67ce92ae59d9 | |
parent | mfd: palmas: Check if irq is valid (diff) | |
download | linux-1ffb0be3ad6186b421921de91092917f0b3ee3e2.tar.xz linux-1ffb0be3ad6186b421921de91092917f0b3ee3e2.zip |
mfd: palmas: Add SMPS10_BOOST feature
The SMPS10 regulator is not presesnt in all the variants
of the PALMAS PMIC family. Hence adding a feature to distingush
between them.
Signed-off-by: J Keerthy <j-keerthy@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
-rw-r--r-- | drivers/mfd/palmas.c | 29 | ||||
-rw-r--r-- | drivers/regulator/palmas-regulator.c | 3 | ||||
-rw-r--r-- | include/linux/mfd/palmas.h | 14 |
3 files changed, 38 insertions, 8 deletions
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index b24bee3d00b4..a4e53caa76cd 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -23,7 +23,7 @@ #include <linux/err.h> #include <linux/mfd/core.h> #include <linux/mfd/palmas.h> -#include <linux/of_platform.h> +#include <linux/of_device.h> static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = { { @@ -231,6 +231,16 @@ static void palmas_dt_to_pdata(struct i2c_client *i2c, palmas_set_pdata_irq_flag(i2c, pdata); } +static unsigned int palmas_features = PALMAS_PMIC_FEATURE_SMPS10_BOOST; + +static const struct of_device_id of_palmas_match_tbl[] = { + { + .compatible = "ti,palmas", + .data = &palmas_features, + }, + { }, +}; + static int palmas_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -238,8 +248,9 @@ static int palmas_i2c_probe(struct i2c_client *i2c, struct palmas_platform_data *pdata; struct device_node *node = i2c->dev.of_node; int ret = 0, i; - unsigned int reg, addr; + unsigned int reg, addr, *features; int slave; + const struct of_device_id *match; pdata = dev_get_platdata(&i2c->dev); @@ -261,9 +272,16 @@ static int palmas_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, palmas); palmas->dev = &i2c->dev; - palmas->id = id->driver_data; palmas->irq = i2c->irq; + match = of_match_device(of_match_ptr(of_palmas_match_tbl), &i2c->dev); + + if (!match) + return -ENODATA; + + features = (unsigned int *)match->data; + palmas->features = *features; + for (i = 0; i < PALMAS_NUM_CLIENTS; i++) { if (i == 0) palmas->i2c_clients[i] = i2c; @@ -433,11 +451,6 @@ static const struct i2c_device_id palmas_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, palmas_i2c_id); -static struct of_device_id of_palmas_match_tbl[] = { - { .compatible = "ti,palmas", }, - { /* end */ } -}; - static struct i2c_driver palmas_i2c_driver = { .driver = { .name = "palmas", diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 3ae44ac12a94..1ae1e83448cf 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -838,6 +838,9 @@ static int palmas_regulators_probe(struct platform_device *pdev) continue; ramp_delay_support = true; break; + case PALMAS_REG_SMPS10: + if (!PALMAS_PMIC_HAS(palmas, SMPS10_BOOST)) + continue; } if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8)) diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index 8f21daf62fb5..98058caa7aca 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -32,6 +32,19 @@ ((a) == PALMAS_CHIP_ID)) #define is_palmas_charger(a) ((a) == PALMAS_CHIP_CHARGER_ID) +/** + * Palmas PMIC feature types + * + * PALMAS_PMIC_FEATURE_SMPS10_BOOST - used when the PMIC provides SMPS10_BOOST + * regulator. + * + * PALMAS_PMIC_HAS(b, f) - macro to check if a bandgap device is capable of a + * specific feature (above) or not. Return non-zero, if yes. + */ +#define PALMAS_PMIC_FEATURE_SMPS10_BOOST BIT(0) +#define PALMAS_PMIC_HAS(b, f) \ + ((b)->features & PALMAS_PMIC_FEATURE_ ## f) + struct palmas_pmic; struct palmas_gpadc; struct palmas_resource; @@ -46,6 +59,7 @@ struct palmas { /* Stored chip id */ int id; + unsigned int features; /* IRQ Data */ int irq; u32 irq_mask; |