Commit 77a0a30b authored by Anilkumar Kolli's avatar Anilkumar Kolli Committed by Kalle Valo
Browse files

dt: bindings: add new DT entry for ath11k PCI device support 



Ath11k driver supports PCI devices such as QCN9074/QCA6390.
Ath11k firmware uses host DDR memory, DT entry is used to
reserve host DDR memory regions, send these memory base
addresses using DT entries.

Signed-off-by: default avatarAnilkumar Kolli <akolli@codeaurora.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1638789319-2950-1-git-send-email-akolli@codeaurora.org
parent beefee71

Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml

+30 −0
Original line number Diff line number Diff line
@@ -150,6 +150,12 @@ properties: 
      string to uniquely identify variant of the calibration data in the

      board-2.bin for designs with colliding bus and device specific ids



  memory-region:

    maxItems: 1

    description:

      phandle to a node describing reserved memory (System RAM memory)

      used by ath11k firmware (see bindings/reserved-memory/reserved-memory.txt)



required:

  - compatible

  - reg
@@ -279,3 +285,27 @@ examples: 
                          "tcl2host-status-ring";

        qcom,rproc = <&q6v5_wcss>;

    };



  - |



    reserved-memory {

        #address-cells = <2>;

        #size-cells = <2>;



        qcn9074_0: qcn9074_0@51100000 {

            no-map;

            reg = <0x0 0x51100000 0x0 0x03500000>;

        };

    };



    pci {

        pcie0 {

            #size-cells = <2>;

            #address-cells = <3>;

 

            wifi_0: wifi@0 {

                reg = <0 0 0 0 0>;

                memory-region = <&qcn9074_0>;

            };

        };

    };