On 17/03/2025 10:21, Ryan Chen wrote: >> Neither this. >> >> So it seems you describe already existing and documented I2C, but for some >> reason you want second compatible. The problem is that you do not provide >> reason from the point of view of bindings. >> >> To summarize: what your users want - don't care. Start properly describing >> hardware and your SoC. > > OK, for ast2600 i2c controller have two register mode setting. > One, I call it is old register setting, that is right now i2c-aspeed.c .compatible = "aspeed,ast2600-i2c-bus", > And there have a global register that can set i2c controller as new mode register set. > That I am going to drive. That I post is all register in new an old register list. > > For example, > Global register [2] = 0 => i2c present as old register set > Global register [2] = 1 => i2c present as new register set It's the same device though, so the same compatible. Best regards, Krzysztof
