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charset=UTF-8 Content-Transfer-Encoding: 8bit On 28/05/2026 04:36, Lianfeng Ouyang wrote: >>> { .compatible = "mobileye,eyeq6lplus-i2c" }, >>> { .compatible = "mscc,ocelot-i2c" }, >>> { .compatible = "snps,designware-i2c" }, >>> + { .compatible = "starfive,jhb100-i2c-master" }, >>> + { .compatible = "starfive,jhb100-i2c-slave" }, >> >> So both devices are the same... Or you miss proper entry in ID table. >> Don't sprinkle compatibles around the code - ID table match data is for >> variant customization. >> >> Best regards, >> Krzysztof > > Ok, Master and slave have different base addresses and interrupt numbers, but > the register layout is the same, so in the next version, I will only use the same > compatible ”starfive, jhb100-i2c“, and then add starfive, i2c-slave to the dts node > of the slave to distinguish them You do not need to distinguish same devices usually, but I still do not understand why do you need all these different compatibles and your commit msgs or binding text do not help, so I don't know what to advise. Best regards, Krzysztof