On Wed, Nov 13, 2024 at 09:44:10PM +0530, Mukesh Kumar Savaliya wrote: > Adds qcom,is-shared flag usage. Use this flag when I2C serial controller Doesn't match the property name. > needs to be shared in multiprocessor system(APPS,Modem,ADSP) environment. > > Two clients from different processors can share an I2C controller for same > slave device OR their owned slave devices. Assume I2C Slave EEPROM device > connected with I2C controller. Each client from ADSP SS and APPS Linux SS > can perform i2c transactions. > > Transfer gets serialized by Lock TRE + DMA xfer + Unlock TRE at HW level. > > Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@xxxxxxxxxxx> > --- > Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml | 4 ++++ > 1 file changed, 4 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..fe36938712f7 100644 > --- a/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml > +++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-geni-qcom.yaml > @@ -60,6 +60,10 @@ properties: > power-domains: > maxItems: 1 > > + qcom,shared-se: What is 'se'? Is that defined somewhere? > + description: True if I2C controller is shared between two or more system processors. > + type: boolean > + > reg: > maxItems: 1 > > -- > 2.25.1 >
