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/openbmc/openbmc/meta-amd/meta-ethanolx/recipes-kernel/linux/linux-aspeed/
H A Dethanolx.cfgfaa80098 Tue Jul 27 05:58:04 CDT 2021 Konstantin Aladyshev <aladyshev22@gmail.com> meta-ethanolx: Support voltage regulators

Populate voltage regulator sensors to the system. This change make
voltage regulator data accessible over DBus, IPMI, Redfish and
webui-vue.

AMD EthanolX CRB has 4 voltage regulators per each of its CPUs (P0/P1):
-ISL69147 - Px VDD core regulator
-ISL69144 - Px VDD SoC regulator
-ISL68127 - Px VDD Mem / VPP ABCD regulator
-ISL68127 - Px VDD Mem / VPP EFGH regulator

All of these voltage regulators are 1st generation multiphase devices.
They can be covered with a ISL68137 Linux driver initialized with a
"isl68137" parameter, which would bring the necessary "raa_dmpvr1_2rail"
initialization.

The threshold values were spoofed from the original voltage regulators
configuration in the AMD EthanolX CRB.

The "PowerState: On" entity-manager parameter is used to make thresholds
active only when the board is powered on.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Change-Id: I123db2e356f525e0d269aef780d34d218209592a
/openbmc/openbmc/meta-amd/meta-ethanolx/recipes-phosphor/configuration/entity-manager/
H A Dethanolx-baseboard.jsonfaa80098 Tue Jul 27 05:58:04 CDT 2021 Konstantin Aladyshev <aladyshev22@gmail.com> meta-ethanolx: Support voltage regulators

Populate voltage regulator sensors to the system. This change make
voltage regulator data accessible over DBus, IPMI, Redfish and
webui-vue.

AMD EthanolX CRB has 4 voltage regulators per each of its CPUs (P0/P1):
-ISL69147 - Px VDD core regulator
-ISL69144 - Px VDD SoC regulator
-ISL68127 - Px VDD Mem / VPP ABCD regulator
-ISL68127 - Px VDD Mem / VPP EFGH regulator

All of these voltage regulators are 1st generation multiphase devices.
They can be covered with a ISL68137 Linux driver initialized with a
"isl68137" parameter, which would bring the necessary "raa_dmpvr1_2rail"
initialization.

The threshold values were spoofed from the original voltage regulators
configuration in the AMD EthanolX CRB.

The "PowerState: On" entity-manager parameter is used to make thresholds
active only when the board is powered on.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Change-Id: I123db2e356f525e0d269aef780d34d218209592a
/openbmc/openbmc/meta-amd/meta-ethanolx/recipes-phosphor/configuration/ethanolx-yaml-config/
H A Dethanolx-ipmi-sensors.yamlfaa80098 Tue Jul 27 05:58:04 CDT 2021 Konstantin Aladyshev <aladyshev22@gmail.com> meta-ethanolx: Support voltage regulators

Populate voltage regulator sensors to the system. This change make
voltage regulator data accessible over DBus, IPMI, Redfish and
webui-vue.

AMD EthanolX CRB has 4 voltage regulators per each of its CPUs (P0/P1):
-ISL69147 - Px VDD core regulator
-ISL69144 - Px VDD SoC regulator
-ISL68127 - Px VDD Mem / VPP ABCD regulator
-ISL68127 - Px VDD Mem / VPP EFGH regulator

All of these voltage regulators are 1st generation multiphase devices.
They can be covered with a ISL68137 Linux driver initialized with a
"isl68137" parameter, which would bring the necessary "raa_dmpvr1_2rail"
initialization.

The threshold values were spoofed from the original voltage regulators
configuration in the AMD EthanolX CRB.

The "PowerState: On" entity-manager parameter is used to make thresholds
active only when the board is powered on.

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Change-Id: I123db2e356f525e0d269aef780d34d218209592a