Ath11k driver supports PCI devices such as QCN9074/QCA6390. Ath11k firmware uses host DDR memory, DT entry is used to reserve these host DDR memory regions, send these memory base addresses using DT entries. Signed-off-by: Anilkumar Kolli <akolli@xxxxxxxxxxxxxx> --- .../bindings/net/wireless/qcom,ath11k.yaml | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml index 5ac9616c9239..c7e6612e949c 100644 --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml @@ -19,6 +19,10 @@ description: | These devices use HOST DDR memory, HOST DDR memory can be reserved and send to ath11k driver from DT. + ATH11K supports PCI devices like QCA6390,QCN9074. + These devices use host DDR memory, host DDR memory can be reserved + and send to ath11k driver from DT. + properties: compatible: enum: @@ -177,6 +181,29 @@ properties: description: HOST DDR end address. + qcom,base-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Host DDR base address for firmware. QCN9074 firmware uses 45 MB of host + DDR memory in mode-0 and 15 MB of host DDR memory in mode-2. + + qcom,caldb-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Host DDR address to store CALDB. CALDB is calibration data base + for WLAN channel and tx power. + + qcom,start-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Host DDR start address. For example on x86 it is 0x0, + on IPQ8074 it is 0x41000000. + + qcom,end-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Host DDR end address. + required: - compatible - reg @@ -317,3 +344,14 @@ examples: qcom,end-addr = <0x80000000>; }; }; + + - | + + pcie0_rp { + ath11k0 { + qcom,base-addr = <0x50F00000>; + qcom,caldb-addr = <0x53E00000>; + qcom,start-addr = <0x41000000>; + qcom,end-addr = <0x80000000>; + }; + }; -- 2.7.4