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| author | Titus Rwantare <titusr@google.com> | 2023-10-23 23:46:43 +0000 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2023-11-07 13:08:49 +0100 |
| commit | 3401b1dd1a947256dcfa5494642dfb46c16c47c2 (patch) | |
| tree | c07d9e790efd49a3417b886d2817d4e852f8659e | |
| parent | b7fba25ef1f32bfe92d9fcc73f297b2ce58fee9e (diff) | |
| download | qemu-3401b1dd1a947256dcfa5494642dfb46c16c47c2.zip qemu-3401b1dd1a947256dcfa5494642dfb46c16c47c2.tar.gz qemu-3401b1dd1a947256dcfa5494642dfb46c16c47c2.tar.bz2 | |
hw/i2c: pmbus: add VCAP register
VCAP is a register for devices with energy storage capacitors.
Reviewed-by: Benjamin Streb <bstreb@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-4-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
| -rw-r--r-- | hw/i2c/pmbus_device.c | 8 | ||||
| -rw-r--r-- | include/hw/i2c/pmbus_device.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index c1d8c93..3bce39e 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -906,6 +906,14 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd) } break; + case PMBUS_READ_VCAP: /* Read-Only word */ + if (pmdev->pages[index].page_flags & PB_HAS_VCAP) { + pmbus_send16(pmdev, pmdev->pages[index].read_vcap); + } else { + goto passthough; + } + break; + case PMBUS_READ_VOUT: /* Read-Only word */ if (pmdev->pages[index].page_flags & PB_HAS_VOUT) { pmbus_send16(pmdev, pmdev->pages[index].read_vout); diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h index ad431bd..f195c11 100644 --- a/include/hw/i2c/pmbus_device.h +++ b/include/hw/i2c/pmbus_device.h @@ -243,6 +243,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass, #define PB_HAS_VIN_RATING BIT_ULL(13) #define PB_HAS_VOUT_RATING BIT_ULL(14) #define PB_HAS_VOUT_MODE BIT_ULL(15) +#define PB_HAS_VCAP BIT_ULL(16) #define PB_HAS_IOUT BIT_ULL(21) #define PB_HAS_IIN BIT_ULL(22) #define PB_HAS_IOUT_RATING BIT_ULL(23) |