On 16/02/2024 11:18, Théo Lebrun wrote: > >>> + mobileye,id: >>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> + description: Platform-wide controller ID (integer starting from zero). >> >> instance indexes are a NAK. You can use i2cN aliases if you must. >> >> Why do you need it? To access OLB? If so, add cell args to the OLB >> phandle instead. > > Why we do what we do: I2C controller must write a 2 bit value depending > on the bus speed. All I2C controllers write into the same register. Which register? Your devices do not share IO address space. > Index is used to compute the shift. > > mobileye,olb is a phandle to a syscon. I'll be using i2cN aliases I > guess. > > Thanks, > > -- > Théo Lebrun, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com Best regards, Krzysztof
