Commit 1f1e46b8 authored by Benedikt Niedermayr's avatar Benedikt Niedermayr Committed by Krzysztof Kozlowski
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dt-bindings: memory-controllers: ti,gpmc: add wait-pin polarity 



The GPMC controller has the ability to configure the polarity for the
wait pin. The current properties do not allow this configuration.
This binding directly configures the WAITPIN<X>POLARITY bit
in the GPMC_CONFIG register by setting the "ti,wait-pin-polarity"
dt-property.

Signed-off-by: default avatarBenedikt Niedermayr <benedikt.niedermayr@siemens.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarRoger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20221102133047.1654449-3-benedikt.niedermayr@siemens.com


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
parent 89aed3cd

Documentation/devicetree/bindings/memory-controllers/ti,gpmc-child.yaml

+7 −0
Original line number Diff line number Diff line
@@ -230,6 +230,13 @@ properties: 
      Wait-pin used by client. Must be less than "gpmc,num-waitpins".

    $ref: /schemas/types.yaml#/definitions/uint32



  ti,wait-pin-polarity:

    description: |

      Set the desired polarity for the selected wait pin.

      0 for active low, 1 for active high.

    $ref: /schemas/types.yaml#/definitions/uint32

    enum: [0, 1]



  gpmc,wait-on-read:

    description: Enables wait monitoring on reads.

    type: boolean