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hw/i2c: pmbus: add fan support

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PMBus devices may integrate fans whose operation is configurable
over PMBus. This commit allows the driver to read and write the
fan control registers but does not model the operation of fans.

Reviewed-by: Stephen Longfield <slongfield@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-3-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Titus Rwantare 2023-10-23 23:46:42 +00:00 • committed by Philippe Mathieu-Daudé
parent 144729b9f1
commit b7fba25ef1
2 changed files with 177 additions and 0 deletions
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1
include/hw/i2c/pmbus_device.h
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@ -258,6 +258,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass,
#define PB_HAS_TEMP2 BIT_ULL(41)
#define PB_HAS_TEMP3 BIT_ULL(42)
#define PB_HAS_TEMP_RATING BIT_ULL(43)
#define PB_HAS_FAN BIT_ULL(44)
#define PB_HAS_MFR_INFO BIT_ULL(50)
#define PB_HAS_STATUS_MFR_SPECIFIC BIT_ULL(51)