There are different revisions of the same chipset. For example S2MPS13 has
more than 2 revisions. They differ slightly in regulator constraints.
Print the revision number to easily find which PMIC is used on the board.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/mfd/sec-core.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 2d1137a7a0ee..589e5efc2d7f 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -253,6 +253,15 @@ static const struct regmap_config s5m8767_regmap_config = {
.cache_type = REGCACHE_FLAT,
};
+static void sec_pmic_dump_rev(struct sec_pmic_dev *sec_pmic)
+{
+ unsigned int val;
+
+ /* For each device type, the REG_ID is always the first register */
+ if (!regmap_read(sec_pmic->regmap_pmic, S2MPS11_REG_ID, &val))
+ dev_dbg(sec_pmic->dev, "Revision: 0x%x\n", val);
+}
+
#ifdef CONFIG_OF
/*
* Only the common platform data elements for s5m8767 are parsed here from the
@@ -425,6 +434,7 @@ static int sec_pmic_probe(struct i2c_client *i2c,
goto err_mfd;
device_init_wakeup(sec_pmic->dev, sec_pmic->wakeup);
+ sec_pmic_dump_rev(sec_pmic);
return ret;
--
1.9.1
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