diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2023-07-14 15:51:11 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2023-08-21 06:04:29 -0700 |
| commit | 1f6f34d08a95b953c58e1c7388a787e78d819c83 (patch) | |
| tree | f4a5b4fb515e6c6de259bb2c401d7d80c15fb79d /drivers/hwmon/pmbus | |
| parent | 99a368cfab265a4ecd5643feca5470c6d3c829f2 (diff) | |
hwmon: (pmbus/mp2975) Prepare for MP2973 and MP2971
Add support for differntiating between the chips.
The following commits will make use of this mechanism.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230714135124.2645339-3-Naresh.Solanki@9elements.com
[groeck: double-cast of_device_get_match_data() to make gcc happy]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/pmbus')
| -rw-r--r-- | drivers/hwmon/pmbus/mp2975.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/hwmon/pmbus/mp2975.c b/drivers/hwmon/pmbus/mp2975.c index 130cfde52e42..047f040451ee 100644 --- a/drivers/hwmon/pmbus/mp2975.c +++ b/drivers/hwmon/pmbus/mp2975.c @@ -10,6 +10,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h> #include "pmbus.h" /* Vendor specific registers. */ @@ -56,8 +57,13 @@ PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \ PMBUS_HAVE_POUT | PMBUS_PHASE_VIRTUAL) +enum chips { + mp2975 +}; + struct mp2975_data { struct pmbus_driver_info info; + enum chips chip_id; int vout_scale; int vid_step[MP2975_PAGE_NUM]; int vref[MP2975_PAGE_NUM]; @@ -68,6 +74,13 @@ struct mp2975_data { int curr_sense_gain[MP2975_PAGE_NUM]; }; +static const struct i2c_device_id mp2975_id[] = { + {"mp2975", mp2975}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, mp2975_id); + #define to_mp2975_data(x) container_of(x, struct mp2975_data, info) static int mp2975_read_byte_data(struct i2c_client *client, int page, int reg) @@ -691,6 +704,11 @@ static int mp2975_probe(struct i2c_client *client) if (!data) return -ENOMEM; + if (client->dev.of_node) + data->chip_id = (enum chips)(unsigned long)of_device_get_match_data(&client->dev); + else + data->chip_id = i2c_match_id(mp2975_id, client)->driver_data; + memcpy(&data->info, &mp2975_info, sizeof(*info)); info = &data->info; @@ -739,15 +757,8 @@ static int mp2975_probe(struct i2c_client *client) return pmbus_do_probe(client, info); } -static const struct i2c_device_id mp2975_id[] = { - {"mp2975", 0}, - {} -}; - -MODULE_DEVICE_TABLE(i2c, mp2975_id); - static const struct of_device_id __maybe_unused mp2975_of_match[] = { - {.compatible = "mps,mp2975"}, + {.compatible = "mps,mp2975", .data = (void *)mp2975}, {} }; MODULE_DEVICE_TABLE(of, mp2975_of_match); |