Re: [PATCH 4/6] dt-bindings: riscv: Add DT binding documentation for Renesas RZ/Five SoC and SMARC EVK

["Lad, Prabhakar" <prabhakar.csengg@gmail.com>]

Hi Krzysztof,

On Wed, Jul 27, 2022 at 10:54 AM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 27/07/2022 11:05, Lad, Prabhakar wrote:
> > Hi Krzysztof,
> >
> > Thank you for the review.
> >
> > On Wed, Jul 27, 2022 at 9:54 AM Krzysztof Kozlowski
> > <krzysztof.kozlowski@linaro.org> wrote:
> >>
> >> On 26/07/2022 20:06, Lad Prabhakar wrote:
> >>> Document Renesas RZ/Five (R9A07G043) SoC and SMARC EVK based on this SoC.
> >>>
> >>> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >>> ---
> >>>  .../devicetree/bindings/riscv/renesas.yaml    | 49 +++++++++++++++++++
> >>>  1 file changed, 49 insertions(+)
> >>>  create mode 100644 Documentation/devicetree/bindings/riscv/renesas.yaml
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/riscv/renesas.yaml b/Documentation/devicetree/bindings/riscv/renesas.yaml
> >>> new file mode 100644
> >>> index 000000000000..f72f8aea6a82
> >>> --- /dev/null
> >>> +++ b/Documentation/devicetree/bindings/riscv/renesas.yaml
> >>> @@ -0,0 +1,49 @@
> >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >>> +%YAML 1.2
> >>> +---
> >>> +$id: http://devicetree.org/schemas/riscv/renesas.yaml#
> >>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >>> +
> >>> +title: Renesas RZ/Five Platform Device Tree Bindings
> >>> +
> >>> +maintainers:
> >>> +  - Geert Uytterhoeven <geert+renesas@glider.be>
> >>> +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >>> +
> >>> +# We want to ignore this schema if the board is SMARC EVK based on ARM64 arch
> >>> +select:
> >>> +  not:
> >>> +    properties:
> >>> +      compatible:
> >>> +        contains:
> >>> +          items:
> >>
> >> I think you should rather ignore the RiscV SoCs, not specific board.
> >>
> > You mean to ignore ARM/64 SoCs?
> >
> > Agreed just the below enum, should do the trick.
> >
> >             - enum:
> >                 - renesas,r9a07g043u11
> >                 - renesas,r9a07g043u12
> >                 - renesas,r9a07g044c1
> >                 - renesas,r9a07g044c2
> >                 - renesas,r9a07g044l1
> >                 - renesas,r9a07g044l2
> >                 - renesas,r9a07g054l1
> >                 - renesas,r9a07g054l2
> >
> >
> >>> +            - const: renesas,smarc-evk
> >>> +            - enum:
> >>> +                - renesas,r9a07g043u11
> >>> +                - renesas,r9a07g043u12
> >>> +                - renesas,r9a07g044c1
> >>> +                - renesas,r9a07g044c2
> >>> +                - renesas,r9a07g044l1
> >>> +                - renesas,r9a07g044l2
> >>> +                - renesas,r9a07g054l1
> >>> +                - renesas,r9a07g054l2
> >>> +            - enum:
> >>> +                - renesas,r9a07g043
> >>> +                - renesas,r9a07g044
> >>> +                - renesas,r9a07g054
> >>
> >> Did you actually test that it works and properly matches?
> >>
> > Yes I have run the dtbs_check and dt_binding _check for ARM64 and
> > RISC-V. Do you see any cases where it can fail?
>
>
> Just remove the renesas,smarc-evk2 from
> arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts. Do you see the
> error? Not from this schema. The only error you will see is that no
> matching schema was found.
>
I did run the dtbs_check test as per your suggestion (below is the
log) and didn't see "no matching schema error"

prasmi@prasmi:~/work/linux$ git diff
diff --git a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
index 121e55282d18..b8129d85515f 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts
@@ -11,5 +11,5 @@

 / {
        model = "Renesas SMARC EVK based on r9a07g043u11";
-       compatible = "renesas,smarc-evk", "renesas,r9a07g043u11",
"renesas,r9a07g043";
+       compatible = "renesas,r9a07g043u11", "renesas,r9a07g043";
 };
prasmi@prasmi:~/work/linux$ rm
Documentation/devicetree/bindings/processed-schema.json
arch/arm64/boot/dts/renesas/*.dtb
prasmi@prasmi:~/work/linux$ make ARCH=arm64
CROSS_COMPILE=aarch64-linux-gnu- dtbs_check -j6
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTC     arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dtb
  DTC     arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dtb
  DTC     arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dtb
  DTC     arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dtb
  DTC     arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dtb
  CHECK   arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dtb
  CHECK   arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dtb
  CHECK   arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dtb
  CHECK   arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dtb
  CHECK   arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dtb
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dtb:
flash@0: compatible: 'oneOf' conditional failed, one must be fixed:
    ['micron,mt25qu512a', 'jedec,spi-nor'] is too long
    'micron,mt25qu512a' does not match
'^((((micron|spansion|st),)?(m25p(40|80|16|32|64|128)|n25q(32b|064|128a11|128a13|256a|512a|164k)))|atmel,at25df(321a|641|081a)|everspin,mr25h(10|40|128|256)|(mxicy|macronix),mx25l(4005a|1606e|6405d|8005|12805d|25635e)|(mxicy|macronix),mx25u(4033|4035)|(spansion,)?s25fl(128s|256s1|512s|008k|064k|164k)|(sst|microchip),sst25vf(016b|032b|040b)|(sst,)?sst26wf016b|(sst,)?sst25wf(040b|080)|winbond,w25x(80|32)|(winbond,)?w25q(16|32(w|dw)?|64(dw)?|80bl|128(fw)?|256))$'
    'micron,mt25qu512a' is not one of ['issi,is25lp016d',
'micron,mt25qu02g', 'mxicy,mx25r1635f', 'mxicy,mx25u6435f',
'mxicy,mx25v8035f', 'spansion,s25sl12801', 'spansion,s25fs512s']
    'jedec,spi-nor' was expected
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dtb:0:0:
/soc/spi@10060000/flash@0: failed to match any schema with compatible:
['micron,mt25qu512a', 'jedec,spi-nor']
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dtb:
pinctrl@11030000: 'interrupt-controller' is a required property
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dtb:
pinctrl@11030000: '#interrupt-cells' is a required property
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dtb:
pinctrl@11030000: #address-cells: 'anyOf' conditional failed, one must
be fixed:
    [[2]] is not of type 'object'
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dtb:
flash@0: compatible: 'oneOf' conditional failed, one must be fixed:
    ['micron,mt25qu512a', 'jedec,spi-nor'] is too long
    'micron,mt25qu512a' does not match
'^((((micron|spansion|st),)?(m25p(40|80|16|32|64|128)|n25q(32b|064|128a11|128a13|256a|512a|164k)))|atmel,at25df(321a|641|081a)|everspin,mr25h(10|40|128|256)|(mxicy|macronix),mx25l(4005a|1606e|6405d|8005|12805d|25635e)|(mxicy|macronix),mx25u(4033|4035)|(spansion,)?s25fl(128s|256s1|512s|008k|064k|164k)|(sst|microchip),sst25vf(016b|032b|040b)|(sst,)?sst26wf016b|(sst,)?sst25wf(040b|080)|winbond,w25x(80|32)|(winbond,)?w25q(16|32(w|dw)?|64(dw)?|80bl|128(fw)?|256))$'
    'micron,mt25qu512a' is not one of ['issi,is25lp016d',
'micron,mt25qu02g', 'mxicy,mx25r1635f', 'mxicy,mx25u6435f',
'mxicy,mx25v8035f', 'spansion,s25sl12801', 'spansion,s25fs512s']
    'jedec,spi-nor' was expected
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dtb:0:0:
/soc/spi@10060000/flash@0: failed to match any schema with compatible:
['micron,mt25qu512a', 'jedec,spi-nor']
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g054l2-smarc.dtb:
pinctrl@11030000: #address-cells: 'anyOf' conditional failed, one must
be fixed:
    [[2]] is not of type 'object'
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dtb:
flash@0: compatible: 'oneOf' conditional failed, one must be fixed:
    ['micron,mt25qu512a', 'jedec,spi-nor'] is too long
    'micron,mt25qu512a' does not match
'^((((micron|spansion|st),)?(m25p(40|80|16|32|64|128)|n25q(32b|064|128a11|128a13|256a|512a|164k)))|atmel,at25df(321a|641|081a)|everspin,mr25h(10|40|128|256)|(mxicy|macronix),mx25l(4005a|1606e|6405d|8005|12805d|25635e)|(mxicy|macronix),mx25u(4033|4035)|(spansion,)?s25fl(128s|256s1|512s|008k|064k|164k)|(sst|microchip),sst25vf(016b|032b|040b)|(sst,)?sst26wf016b|(sst,)?sst25wf(040b|080)|winbond,w25x(80|32)|(winbond,)?w25q(16|32(w|dw)?|64(dw)?|80bl|128(fw)?|256))$'
    'micron,mt25qu512a' is not one of ['issi,is25lp016d',
'micron,mt25qu02g', 'mxicy,mx25r1635f', 'mxicy,mx25u6435f',
'mxicy,mx25v8035f', 'spansion,s25sl12801', 'spansion,s25fs512s']
    'jedec,spi-nor' was expected
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dtb:0:0:
/soc/spi@10060000/flash@0: failed to match any schema with compatible:
['micron,mt25qu512a', 'jedec,spi-nor']
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dtb:
usbphy-ctrl@11c40000: compatible:0: 'renesas,r9a07g043-usbphy-ctrl' is
not one of ['renesas,r9a07g044-usbphy-ctrl',
'renesas,r9a07g054-usbphy-ctrl']
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml
arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dtb:0:0:
/soc/usbphy-ctrl@11c40000: failed to match any schema with compatible:
['renesas,r9a07g043-usbphy-ctrl', 'renesas,rzg2l-usbphy-ctrl']
/home/prasmi/work/linux/arch/arm64/boot/dts/renesas/r9a07g044l2-smarc.dtb:
pinctrl@11030000: #address-cells: 'anyOf' conditional failed, one must
be fixed:
    [[2]] is not of type 'object'
    From schema:
/home/prasmi/work/linux/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
prasmi@prasmi:~/work/linux$
prasmi@prasmi:~/work/linux$


Note: I am using dtschema version 2022.7.

> I don't think you can use such selects...
>
> Best regards,
> Krzysztof

Cheers,
Prabhakar