On Wed, Dec 04, 2024 at 08:33:20PM +0530, Viken Dadhaniya wrote: > Document the 'qcom,load-firmware' and 'qcom,xfer-mode' properties to > support SE(Serial Engine) firmware loading from the protocol driver and to > select the data transfer mode, either GPI DMA (Generic Packet Interface) > or non-GPI mode (PIO/CPU DMA). > > I2C controller can operate in one of two modes based on the > 'qcom,xfer-mode' property, and the firmware is loaded accordingly. > > Co-developed-by: Mukesh Kumar Savaliya <quic_msavaliy@xxxxxxxxxxx> > Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@xxxxxxxxxxx> > Signed-off-by: Viken Dadhaniya <quic_vdadhani@xxxxxxxxxxx> > --- > .../devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml > index 9f66a3bb1f80..a26f34fce1bb 100644 > --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml > +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml > @@ -66,6 +66,15 @@ properties: > required-opps: > maxItems: 1 > > + qcom,load-firmware: > + type: boolean > + description: Optional property to load SE (serial engine) Firmware from protocol driver. > + > + qcom,xfer-mode: > + description: Value 1,2 and 3 represents FIFO, CPU DMA and GSI DMA mode respectively. > + $ref: /schemas/types.yaml#/definitions/uint32 > + enum: [1, 2, 3] > + > required: > - compatible > - interrupts > @@ -142,5 +151,7 @@ examples: > interconnect-names = "qup-core", "qup-config", "qup-memory"; > power-domains = <&rpmhpd SC7180_CX>; > required-opps = <&rpmhpd_opp_low_svs>; > + qcom,load-firmware; please use instead: firmware-name = "qcom/sc7180/qupv3.elf" > + qcom,xfer-mode = <1>; > }; > ... > -- > 2.34.1 > -- With best wishes Dmitry
