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| author | Sumeet Pawnikar <sumeet.r.pawnikar@intel.com> | 2021-06-25 20:13:05 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-07-08 15:49:55 +0000 |
| commit | 590eb2bb9c9fac5d3a7d3526601108efe23d801b (patch) | |
| tree | faa09e4795a7695bb25a673be2afda523b895935 /Documentation | |
| parent | 681a59d5c38a2ea4d800f35510f45756f4d687ac (diff) | |
Documentation/drivers/dptf: Add oem variables support
Add oem variables information with usage example.
BRANCH=None
BUG=b:187253038
TEST=Built and tested on dedede board
Change-Id: I45db17f6ee3328da28f985c6854d65a430c9c61b
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55846
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/drivers/dptf.md | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/drivers/dptf.md b/Documentation/drivers/dptf.md index 327d6865b2..1e5674c9d9 100644 --- a/Documentation/drivers/dptf.md +++ b/Documentation/drivers/dptf.md @@ -311,3 +311,19 @@ table for a given temperature threshold. 1) Hysteresis - The amount of hysteresis implemented in either circuitry or the firmware that reads the temperature sensor (in degrees C). 2) Name - This name is applied to the _STR property of the sensor + +## OEM Variables +Platform vendors can define an array of OEM-specific values as OEM variables +to be used under DPTF policy. There are total six OEM variables available. +These can be used in AP policy for more specific actions. These OEM variables +can be defined as below mentioned example and can be used any variable between +[0], [1],...,[5]. Platform vendors can enable and use this for specific platform +by defining OEM variables macro under board variant. + +Example: +```C +register "oem_data.oem_variables" = "{ + [1] = 0x6, + [3] = 0x1 +}" +``` |