> > + samsung,sysreg: > > + $ref: '/schemas/types.yaml#/definitions/phandle' > > + description: phandle for FSYSx sysreg interface, used to control > > + sysreg register bit for UFS IO Coherency > > + > > + samsung,ufs-shareability-reg-offset: > > + $ref: '/schemas/types.yaml#/definitions/uint32' > > + description: Offset to the shareability register for io-coherency > > Make these a single property: <phandle offset> As I already mentioned previous e-mail [1], I need to support two ufs instances for exynosauto v9 soc. syscon_fsys2: syscon@17c20000 { compatible = "samsung,exynosautov9-sysreg", "syscon"; reg = <0x17c20000 0x1000>; }; ufs_0: ufs0@17e00000 { <snip> samsung,sysreg = <&syscon_fsys2>; samsung,ufs-shareability-reg-offset = <0x710>; }; To be added ufs_1 like below ufs_1: ufs0@17f00000 { <snip> samsung,sysreg = <&syscon_fsys2>; samsung,ufs-shareability-reg-offset = <0x714>; }; [1]: https://lore.kernel.org/linux-scsi/000901d7b0e0$e618b220$b24a1660$@samsung.c om/ If you prefer them to be separated sysreg phandles which directly pointing the register, I'm able to change it. But, the syscon_fsys2 can be used for other IPs as well such as ethernet. Best Regards, Chanho Park