On 14/10/2024 22:38, Chris Packham wrote: > > On 14/10/24 20:12, Krzysztof Kozlowski wrote: >> On Mon, Oct 14, 2024 at 02:52:43PM +1300, Chris Packham wrote: >> >>> diff --git a/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml >>> new file mode 100644 >>> index 000000000000..397b32b41e86 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/spi/realtek,rtl9301-snand.yaml >>> @@ -0,0 +1,59 @@ >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>> +%YAML 1.2 >>> +--- >>> +$id: http://scanmail.trustwave.com/?c=20988&d=3cSM59Be7zhiOY6j70BGhTh0kCvZ-1Nf0f5XJZnTzQ&u=http%3a%2f%2fdevicetree%2eorg%2fschemas%2fspi%2frealtek%2crtl9301-snand%2eyaml%23 >>> +$schema: http://scanmail.trustwave.com/?c=20988&d=3cSM59Be7zhiOY6j70BGhTh0kCvZ-1Nf0a1RIsqGnw&u=http%3a%2f%2fdevicetree%2eorg%2fmeta-schemas%2fcore%2eyaml%23 >>> + >>> +title: SPI-NAND Flash Controller for Realtek RTL9300 SoCs >>> + >>> +maintainers: >>> + - Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> >>> + >>> +description: >>> + The Realtek RTL9300 SoCs have a built in SPI-NAND controller. It supports >>> + typical SPI-NAND page cache operations in single, dual or quad IO mode. >>> + >>> +properties: >>> + compatible: >>> + enum: >>> + - realtek,rtl9301-snand >>> + - realtek,rtl9302b-snand >>> + - realtek,rtl9302c-snand >>> + - realtek,rtl9303-snand >> All of them look compatible with each other, why not using fallback to >> 9301? That's common and expected pattern. > > So something like > > properties: > compatible: > oneOf: > - items: > - enum: > - realtek,rtl9302b-snand > - realtek,rtl9302c-snand > - realtek,rtl9303-snand > - const: realtek,rtl9301-snand > - items: Yes, except this one is not a list, so just const. > const: realtek,rtl9301-snand > > Or am I over thinking it and I should just use only a single "const: > realtek,rtl9301-snand"? > >> >> Best regards, >> Krzysztof >> Best regards, Krzysztof