From: Dave Gerlach <d-gerlach@xxxxxx> Add documentation for scale-data-fw property on the wkup_m3_ipc node to enable I2C PMIC voltage scaling. The property contains the name of a binary file for the CM3 firmware to load. Based on previous work by Russ Dill. Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx> Signed-off-by: Keerthy <j-keerthy@xxxxxx> [dfustini: split dt-binding change into separate patch] Signed-off-by: Drew Fustini <dfustini@xxxxxxxxxxxx> --- .../devicetree/bindings/soc/ti/wkup_m3_ipc.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt b/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt index df6b600abf4c..01b78a9da943 100644 --- a/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt +++ b/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt @@ -56,6 +56,17 @@ Example: }; }; +Support for I2C PMIC Voltage Scaling +-------------------- +It is possible to pass the name of a binary file to laod to the CM3 firmware +in order to provide I2C sequences for the CM3 to send out to the PMIC during +low power mode entry. + +Optional properties: +-------------------- +- scale-data-fw: Name of the firmware binary in /lib/firmware to copy to m3 + aux data. + Support for VTT Toggle ================================== In order to enable the support for VTT toggle during Suspend/Resume -- 2.32.0
