diff options
Diffstat (limited to 'drivers/hwmon/pmbus/xdpe12284.c')
| -rw-r--r-- | drivers/hwmon/pmbus/xdpe12284.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/drivers/hwmon/pmbus/xdpe12284.c b/drivers/hwmon/pmbus/xdpe12284.c index b07da06a40c9..18fffc5d749b 100644 --- a/drivers/hwmon/pmbus/xdpe12284.c +++ b/drivers/hwmon/pmbus/xdpe12284.c @@ -10,6 +10,8 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/regulator/driver.h> + #include "pmbus.h" #define XDPE122_PROT_VR12_5MV 0x01 /* VR12.0 mode, 5-mV DAC */ @@ -76,7 +78,22 @@ 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.*/ @@ -107,10 +124,14 @@ static int xdpe122_identify(struct i2c_client *client, return 0; } +static const struct regulator_desc xdpe122_reg_desc[] = { + PMBUS_REGULATOR("vout", 0), + PMBUS_REGULATOR("vout", 1), +}; + 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 +145,10 @@ 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, +#if IS_ENABLED(CONFIG_SENSORS_XDPE122_REGULATOR) + .num_regulators = 2, + .reg_desc = xdpe122_reg_desc, +#endif }; static int xdpe122_probe(struct i2c_client *client) @@ -140,6 +164,7 @@ static int xdpe122_probe(struct i2c_client *client) } static const struct i2c_device_id xdpe122_id[] = { + {"xdpe11280", 0}, {"xdpe12254", 0}, {"xdpe12284", 0}, {} @@ -148,6 +173,7 @@ 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"}, {} |