The MPQ2286 is a programmable, high frequency synchronous buck regulator
designed to power a variety of Automotive system peripherals. Single buck
converters with hardware monitoring capability is configurable over PMBus
interface.
Signed-off-by: Saravanan Sekar <saravanan@xxxxxxxxxxx>
---
drivers/hwmon/pmbus/mpq7932.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/pmbus/mpq7932.c b/drivers/hwmon/pmbus/mpq7932.c
index 723c314a57a2..67487867c70f 100644
--- a/drivers/hwmon/pmbus/mpq7932.c
+++ b/drivers/hwmon/pmbus/mpq7932.c
@@ -21,6 +21,7 @@
#define MPQ7932_N_VOLTAGES 256
#define MPQ7932_VOUT_MAX 0xFF
#define MPQ7932_NUM_PAGES 6
+#define MPQ2286_NUM_PAGES 1
#define MPQ7932_TON_DELAY 0x60
#define MPQ7932_VOUT_STARTUP_SLEW 0xA3
@@ -48,6 +49,11 @@ static struct regulator_desc mpq7932_regulators_desc[] = {
PMBUS_REGULATOR_STEP("buck", 5, MPQ7932_N_VOLTAGES,
MPQ7932_UV_STEP, MPQ7932_BUCK_UV_MIN),
};
+
+static const struct regulator_desc mpq7932_regulators_desc_one[] = {
+ PMBUS_REGULATOR_STEP_ONE("buck", MPQ7932_N_VOLTAGES,
+ MPQ7932_UV_STEP, MPQ7932_BUCK_UV_MIN),
+};
#endif
static int mpq7932_write_word_data(struct i2c_client *client, int page, int reg,
@@ -116,7 +122,10 @@ static int mpq7932_probe(struct i2c_client *client)
#if IS_ENABLED(CONFIG_SENSORS_MPQ7932_REGULATOR)
info->num_regulators = info->pages;
- info->reg_desc = mpq7932_regulators_desc;
+ if (info->num_regulators == 1)
+ info->reg_desc = mpq7932_regulators_desc_one;
+ else
+ info->reg_desc = mpq7932_regulators_desc;
#endif
info->read_word_data = mpq7932_read_word_data;
@@ -129,12 +138,14 @@ static int mpq7932_probe(struct i2c_client *client)
}
static const struct of_device_id mpq7932_of_match[] = {
+ { .compatible = "mps,mpq2286", .data = (void *)MPQ2286_NUM_PAGES },
{ .compatible = "mps,mpq7932", .data = (void *)MPQ7932_NUM_PAGES },
{},
};
MODULE_DEVICE_TABLE(of, mpq7932_of_match);
static const struct i2c_device_id mpq7932_id[] = {
+ { "mpq2286", },
{ "mpq7932", },
{ },
};
--
2.34.1
