Aw: Re: [PATCH v4 1/5] dt-bindings: Convert ahci-platform DT bindings to yaml

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Hi Rob,

thanks for review,

have prepared the changes based on yours and krzysztof comments

https://github.com/frank-w/BPI-R2-4.14/commits/5.17-next-20220225

(just ignore the top 2 commits) i thought i had a size-cells-error, but did not get them again after reverting this part, seems they are fixed by inclusion of the sata-common binding

> Gesendet: Mittwoch, 02. März 2022 um 19:14 Uhr
> Von: "Rob Herring" <robh@xxxxxxxxxx>
> An: "Frank Wunderlich" <linux@xxxxxxxxx>

> On Tue, Mar 01, 2022 at 04:24:17PM +0100, Frank Wunderlich wrote:
> > From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

> > diff --git a/Documentation/devicetree/bindings/ata/ahci-platform.yaml b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
> > new file mode 100644
> > index 000000000000..cf67ddfc6afb
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/ata/ahci-platform.yaml
> > @@ -0,0 +1,162 @@
> > +# SPDX-License-Identifier: GPL-2.0
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/ata/ahci-platform.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: AHCI SATA Controller
> 
> blank line.

done
 
> > +description:
> > +  SATA nodes are defined to describe on-chip Serial ATA controllers.
> > +  Each SATA controller should have its own node.
> > +
> > +  It is possible, but not required, to represent each port as a sub-node.
> > +  It allows to enable each port independently when dealing with multiple
> > +  PHYs.
> 
> You need a '|' after 'description' if you want to maintain the 
> paragraphs.

ok added | to all multiline descriptions

> > +
> > +maintainers:
> > +  - Hans de Goede <hdegoede@xxxxxxxxxx>
> > +  - Jens Axboe <axboe@xxxxxxxxx>
> > +
> > +allOf:
> > +- $ref: "sata-common.yaml#"
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +        - enum:
> > +          - brcm,iproc-ahci
> > +          - marvell,armada-8k-ahci
> > +          - marvell,berlin2q-ahci
> > +        - const: generic-ahci
> > +      - enum:
> > +        - brcm,iproc-ahci
> > +        - cavium,octeon-7130-ahci
> > +        - hisilicon,hisi-ahci
> > +        - ibm,476gtr-ahci
> > +        - marvell,armada-3700-ahci
> > +        - marvell,armada-380-ahci
> > +        - snps,dwc-ahci
> > +        - snps,spear-ahci
> 
> Install yamllint and run 'make dt_binding_check'. It's going to 
> complain about the indentation.

you're right, i had no yamllint installed, so i have not seen these indention errors

> > +  ahci-supply:
> > +    description:
> > +      regulator for AHCI controller
> > +
> > +  clock-names:
> 
> Group with 'clocks'

ok, already done in my tree because of krzysztofs comment

> > +  ports-implemented:
> > +    $ref: '/schemas/types.yaml#/definitions/uint32'
> > +    description:
> > +      Mask that indicates which ports that the HBA supports
> > +      are available for software to use. Useful if PORTS_IMPL
> > +      is not programmed by the BIOS, which is true with
> > +      some embedded SoCs.
> > +    maxItems: 1
> 
> A uint32 is only ever 1 item. Drop.
> 
> IIRC, isn't the max here 0xff? Add constraints.

i've found it only set to 0x1 so i have currently set the maximum to 0x1, is this ok?
If some higher value is needed binding needs to be touched...

> > +
> > +  reg-names:
> > +    maxItems: 1
> 
> Group with 'reg'.

ok

> > +patternProperties:
> > +  "^sata-port@[0-9a-f]+$":
> > +    type: object
> 
>        additionalProperties: false

ok added to my tree

and needed to add phy-names because some marvell boards using this

arch/arm64/boot/dts/marvell/armada-8040-mcbin-singleshot.dt.yaml: sata@540000: sata-port@1: 'phy-names' does not match any of the regexes: 'pinctrl-[0-9]+'

now i have only the marvell-errors about incomplete sata-port subnode (without phy/target-supply) like i mention in the patch...how to proceed with this?

regards Frank






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