Hi Krzysztof, On Mon, 24 Oct 2022 17:31:48 -0400, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote: > On 24/10/2022 17:01, Vadym Kochan wrote: > > Switch the DT binding to a YAML schema to enable the DT validation. > > > > Dropped deprecated compatibles and properties described in txt file. > > > > Signed-off-by: Vadym Kochan <vadym.kochan@xxxxxxxxxxx> > > --- > > > > v3: > > 1) Remove txt version from the MAINTAINERS list > > > > 2) Use enum for some of compatible strings > > > > 3) Drop: > > #address-cells > > #size-cells: > > > > as they are inherited from the nand-controller.yaml > > > > 4) Add restriction to use 2 clocks for A8K SoC > > > > 5) Dropped description for clock-names and extend it with > > minItems: 1 > > > > 6) Drop description for "dmas" > > > > 7) Use "unevalautedProperties: false" > > Hmm... In one place it makes sense. In "nand@" not really. > > > > > 8) Drop quites from yaml refs. > > > > 9) Use 4-space indentation for the example section > > > > v2: > > 1) Fixed warning by yamllint with incorrect indentation for compatible list > > > > .../bindings/mtd/marvell,nand-controller.yaml | 189 ++++++++++++++++++ > > .../devicetree/bindings/mtd/marvell-nand.txt | 126 ------------ > > MAINTAINERS | 1 - > > 3 files changed, 189 insertions(+), 127 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/mtd/marvell,nand-controller.yaml > > delete mode 100644 Documentation/devicetree/bindings/mtd/marvell-nand.txt > > > > diff --git a/Documentation/devicetree/bindings/mtd/marvell,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/marvell,nand-controller.yaml > > new file mode 100644 > > index 000000000000..cb20f14d4aea > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mtd/marvell,nand-controller.yaml > > @@ -0,0 +1,189 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/mtd/marvell,nand-controller.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Marvell NAND Flash Controller (NFC) > > + > > +maintainers: > > + - Miquel Raynal <miquel.raynal@xxxxxxxxxxx> > > + > > + [...] > > + nand-ecc-step-size: > > + description: | > > + Marvell's NAND flash controller does use fixed strength > > + (1-bit for Hamming, 16-bit for BCH), so the actual step size > > + will shrink or grow in order to fit the required strength. > > + Step sizes are not completely random for all and follow certain > > + patterns described in AN-379, "Marvell SoC NFC ECC". > > + > > + label: > > + $ref: /schemas/types.yaml#/definitions/string > > + > > + partitions: > > + type: object > > + $ref: /schemas/mtd/partitions/partition.yaml > > This is a friendly reminder during the review process. > > It seems my previous comments were not fully addressed. Maybe my > feedback got lost between the quotes, maybe you just forgot to apply it. > Please go back to the previous discussion and either implement all > requested changes or keep discussing them. > > Thank you. > I see that I have to drop "label" and "partitions" properties. > > + > > + marvell,nand-keep-config: > > + description: | > > + Orders the driver not to take the timings from the core and > > + leaving them completely untouched. Bootloader timings will then > > + be used. > > + $ref: /schemas/types.yaml#/definitions/flag > > + > > + marvell,nand-enable-arbiter: > > + description: | > > + To enable the arbiter, all boards blindly used it, > > + this bit was set by the bootloader for many boards and even if > > + it is marked reserved in several datasheets, it might be needed to set > > + it (otherwise it is harmless) so whether or not this property is set, > > + the bit is selected by the driver. > > + $ref: /schemas/types.yaml#/definitions/flag > > + deprecated: true > > + > > + unevaluatedProperties: false > > This looks wrong. I do not see referencing schema here and I did not ask > to change it. Yes, I will drop it. > > > + > > + required: > > + - reg > > + - nand-rb > > + > > +unevaluatedProperties: false > > This one is ok. > > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - clocks > > + > > +allOf: > > + - $ref: nand-controller.yaml# > > + > > + - if: > > + properties: > > + compatible: > > + contains: > > + const: marvell,pxa3xx-nand-controller > > + then: > > + required: > > + - dmas > > + - dma-names > > + else: > > + properties: > > + dmas: false > > + dma-names: false > > + > > + - if: > > + properties: > > + compatible: > > + contains: > > + const: marvell,armada-8k-nand-controller > > + then: > > + required: > > + - marvell,system-controller > > + properties: > > + clocks: > > + minItems: 2 > > Also for clock-names "minItems: 2" > > > + else: > > + properties: > > + marvell,system-controller: false > > clocks: > maxItems: 1 > OK, so it goes under the "else". > and the same for clock-names... unless these variants also have two clocks? > > > Best regards, > Krzysztof > Thank you, Vadym