diff options
| author | Saravanan Sekar <saravanan@linumiz.com> | 2023-10-11 22:17:54 +0530 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-10-28 09:21:48 -0700 |
| commit | fe0eba175e96820ae6b8ff2d6407ca5ab40a1d31 (patch) | |
| tree | 325f112f0b6686c6d08ef0ab0eceff4a2f08f2dc /drivers/hwmon | |
| parent | 88b5970e92d0d3f6df67fb80f441a84b2c36b23f (diff) | |
hwmon: (pmbus/mpq7932) Add a support for mpq2286 Power Management IC
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@linumiz.com>
Link: https://lore.kernel.org/r/20231011164754.449399-5-saravanan@linumiz.com
[groeck: Updated subject (mpq2286 -> mpq7932)]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/mpq7932.c | 13 |
1 files changed, 12 insertions, 1 deletions
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", }, { }, }; |