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hw/i2c: pmbus: add vout mode bitfields 

The VOUT_MODE command is described in the PMBus Specification,
Part II, Ver 1.3 Section 8.3

VOUT_MODE has a three bit mode and 4 bit parameter, the three bit
mode determines whether voltages are formatted as uint16, uint16,
VID, and Direct modes. VID and Direct modes use the remaining 5 bits
to scale the voltage readings.

Reviewed-by: Hao Wu <wuhaotsh@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-2-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Titus Rwantare 2023-10-23 23:46:41 +00:00 committed by Philippe Mathieu-Daudé
parent cfb0884c6f
commit 144729b9f1
1 changed files with 8 additions and 0 deletions
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8
include/hw/i2c/pmbus_device.h
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@ -444,6 +444,14 @@ typedef struct PMBusCoefficients {
int32_t R; /* exponent */
} PMBusCoefficients;
/**
* VOUT_Mode bit fields
*/
typedef struct PMBusVoutMode {
uint8_t mode:3;
int8_t exp:5;
} PMBusVoutMode;
/**
* Convert sensor values to direct mode format
*