diff options
| author | Marcello Sylvester Bauer <sylv@sylv.io> | 2022-03-02 10:49:20 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-03-02 18:51:11 +0100 |
| commit | efdab64d88ab693bdcadc23780e347cc4185d4be (patch) | |
| tree | 8ad1372ee5ccca0e2c7c41f7b774a6ccf910d1e6 /drivers/hwmon | |
| parent | dt-bindings: trivial-devices: Add xdpe11280 (diff) | |
| download | linux-efdab64d88ab693bdcadc23780e347cc4185d4be.tar.xz linux-efdab64d88ab693bdcadc23780e347cc4185d4be.zip | |
hwmon: (xdpe12284) Add support for xdpe11280
Add support for another Infineon Multi-phase controller chip. The
xdpe11280 uses linear instead of vid data format for VOUT. Detect
VOUT_MODE format during identification and skip the xdpe122 related
adaptions in case it is linear.
Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io>
Link: https://lore.kernel.org/r/fa6a4b636a05ecb337d132824efca2545188a2a2.1646214248.git.sylv@sylv.io
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/pmbus/xdpe12284.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/xdpe12284.c b/drivers/hwmon/pmbus/xdpe12284.c index b07da06a40c9..b979c88d2e87 100644 --- a/drivers/hwmon/pmbus/xdpe12284.c +++ b/drivers/hwmon/pmbus/xdpe12284.c @@ -76,7 +76,22 @@ static int xdpe122_identify(struct i2c_client *client, struct pmbus_driver_info *info) { u8 vout_params; - int i, ret; + int i, ret, vout_mode; + + vout_mode = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE); + if (vout_mode >= 0 && vout_mode != 0xff) { + switch (vout_mode >> 5) { + case 0: + info->format[PSC_VOLTAGE_OUT] = linear; + return 0; + case 1: + info->format[PSC_VOLTAGE_OUT] = vid; + info->read_word_data = xdpe122_read_word_data; + break; + default: + return -ENODEV; + } + } for (i = 0; i < XDPE122_PAGE_NUM; i++) { /* Read the register with VOUT scaling value.*/ @@ -110,7 +125,6 @@ static int xdpe122_identify(struct i2c_client *client, static struct pmbus_driver_info xdpe122_info = { .pages = XDPE122_PAGE_NUM, .format[PSC_VOLTAGE_IN] = linear, - .format[PSC_VOLTAGE_OUT] = vid, .format[PSC_TEMPERATURE] = linear, .format[PSC_CURRENT_IN] = linear, .format[PSC_CURRENT_OUT] = linear, @@ -124,7 +138,6 @@ static struct pmbus_driver_info xdpe122_info = { PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT, .identify = xdpe122_identify, - .read_word_data = xdpe122_read_word_data, }; static int xdpe122_probe(struct i2c_client *client) @@ -140,6 +153,7 @@ static int xdpe122_probe(struct i2c_client *client) } static const struct i2c_device_id xdpe122_id[] = { + {"xdpe11280", 0}, {"xdpe12254", 0}, {"xdpe12284", 0}, {} @@ -148,6 +162,7 @@ static const struct i2c_device_id xdpe122_id[] = { MODULE_DEVICE_TABLE(i2c, xdpe122_id); static const struct of_device_id __maybe_unused xdpe122_of_match[] = { + {.compatible = "infineon,xdpe11280"}, {.compatible = "infineon,xdpe12254"}, {.compatible = "infineon,xdpe12284"}, {} |