Add support for the Monolithic Power Systems MPM3695 family.
It contains four devices with suffixes: -10, -20, -25 and -100.
The device is PMBus compliant and shares characteristics with the
MPM82504.
MPM3695-25 has different VOLTAGE_SCALE_LOOP register size [11:0]
and it needs to be separated because it will be configured in the next
commit.
Tested with device tree based matching (MPM3695-10).
Signed-off-by: Pawel Dembicki <paweldembicki@xxxxxxxxx>
---
v2:
- Added whole MPM3695 family
---
Documentation/hwmon/mpq8785.rst | 13 +++++++++----
drivers/hwmon/pmbus/mpq8785.c | 8 +++++++-
2 files changed, 16 insertions(+), 5 deletions(-)
diff --git a/Documentation/hwmon/mpq8785.rst b/Documentation/hwmon/mpq8785.rst
index be228ee58ce2..7093e4db4f55 100644
--- a/Documentation/hwmon/mpq8785.rst
+++ b/Documentation/hwmon/mpq8785.rst
@@ -7,6 +7,7 @@ Supported chips:
* MPS MPQ8785
* MPS MPM82504
+ * MPS MPM3695 family
Prefix: 'mpq8785'
@@ -29,6 +30,14 @@ The device can also operate in parallel with the MPM3695-100 and additional
MPM82504 devices to provide a higher output current. The MPM82504 operates
at high efficiency across a wide load range.
+The MPM3695 family is a scalable, ultra-thin, fully integrated power module with
+a PMBus interface. It offers a complete power solution that achieves up to
+10A (-10 variant), 20A (-25 variant), 25A (-20 variant), 100A (-100 variant)
+of output current with excellent load and line regulation across a wide input
+voltage range. It operates at high efficiency over a wide load range, and can
+be parallled to deliver higher current. Variants -10,-20 and -100 have different
+voltage scale configuration register range (10 bits) than -25 version (11 bits).
+
The PMBus interface provides converter configurations and key parameters
monitoring.
@@ -42,10 +51,6 @@ Fully integrated protection features include over-current protection (OCP),
over-voltage protection (OVP), under-voltage protection (UVP), and
over-temperature protection (OTP).
-All supported modules require a minimal number of readily available, standard
-external components. The MPQ8785 is available in a TLGA (5mmx6mm) package
-and the MPM82504 is available in a BGA (15mmx30mmx5.18mm) package.
-
Device compliant with:
- PMBus rev 1.3 interface.
diff --git a/drivers/hwmon/pmbus/mpq8785.c b/drivers/hwmon/pmbus/mpq8785.c
index 9a4a211b2aeb..34245d0d2125 100644
--- a/drivers/hwmon/pmbus/mpq8785.c
+++ b/drivers/hwmon/pmbus/mpq8785.c
@@ -10,7 +10,7 @@
#define PMBUS_READ_TEMPERATURE_1_SIGN BIT(9)
-enum chips { mpq8785, mpm82504 };
+enum chips { mpq8785, mpm82504, mpm3695, mpm3695_25 };
static int mpq8785_identify(struct i2c_client *client,
struct pmbus_driver_info *info)
@@ -79,6 +79,8 @@ static struct pmbus_driver_info mpq8785_info = {
static const struct i2c_device_id mpq8785_id[] = {
{ "mpq8785", mpq8785 },
{ "mpm82504", mpm82504 },
+ { "mpm3695", mpm3695 },
+ { "mpm3695-25", mpm3695_25 },
{ },
};
MODULE_DEVICE_TABLE(i2c, mpq8785_id);
@@ -86,6 +88,8 @@ MODULE_DEVICE_TABLE(i2c, mpq8785_id);
static const struct of_device_id __maybe_unused mpq8785_of_match[] = {
{ .compatible = "mps,mpq8785", .data = (void *)mpq8785 },
{ .compatible = "mps,mpm82504", .data = (void *)mpm82504 },
+ { .compatible = "mps,mpm3695", .data = (void *)mpm3695 },
+ { .compatible = "mps,mpm3695-25", .data = (void *)mpm3695_25 },
{}
};
MODULE_DEVICE_TABLE(of, mpq8785_of_match);
@@ -110,6 +114,8 @@ static int mpq8785_probe(struct i2c_client *client)
info->identify = mpq8785_identify;
break;
case mpm82504:
+ case mpm3695:
+ case mpm3695_25:
info->format[PSC_VOLTAGE_OUT] = direct;
info->m[PSC_VOLTAGE_OUT] = 8;
info->b[PSC_VOLTAGE_OUT] = 0;
--
2.43.0
