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authorSumeet Pawnikar <sumeet.r.pawnikar@intel.com>2021-06-25 20:13:05 +0530
committerFelix Held <felix-coreboot@felixheld.de>2021-07-08 15:49:55 +0000
commit590eb2bb9c9fac5d3a7d3526601108efe23d801b (patch)
treefaa09e4795a7695bb25a673be2afda523b895935 /Documentation/drivers
parent681a59d5c38a2ea4d800f35510f45756f4d687ac (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/drivers')
-rw-r--r--Documentation/drivers/dptf.md16
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
+}"
+```