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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I am enabling ACPI on NXP platform , In order to do minimal changes in Linu= x driver for device-driver binding. I want to use PRP0001 device as CID and HID as actual (NXP allocated HID). So that Linux can bind with PRP0001 and compatible field, where as other O= S (Window etc) can rely on HID. Below is sample, ACPI table for SPI controller and its slave device. Hope this approach is ok ? Thanks Udit Scope(_SB) { Device(SPI0) { Name(_HID, "NXP0001") Name(_CID, "PRP0001") Name(_CRS, ResourceTemplate() { }) // end of _CRS for i2c0 device Name (_DSD, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { Package() {"compatible", " fsl,ls2085a-dspi= "}, } }) // end of DSD SPI device Device (EEP0) { Name(_HID, " NXP0002") //HID can be discussed with= flash vendor Name(_CID, "PRP0001") // m25p80 flash Name(_CRS, ResourceTemplate() { SPISerialBus(....) }) // ResourceTemplate() Name (_DSD, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa30= 1"), Package () { Package() {"compatible", "st,m25p80= "}, } } // End of e2prom device } // end of SPI device }