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Message-ID: <y7tuvgc7r4o6jhe7hhyqxaksalld4zn5ou53ywdkwfrp2y773v@z3nvbgd2i6lz>
Date: Tue, 25 Jul 2023 12:51:42 -0500
From: Andrew Halaney <ahalaney@...hat.com>
To: Mrinmay Sarkar <quic_msarkar@...cinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
agross@...nel.org, andersson@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
konrad.dybcio@...aro.org, mani@...nel.org,
quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
dmitry.baryshkov@...aro.org,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Rob Herring <robh@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>,
linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-phy@...ts.infradead.org
Subject: Re: [PATCH v2 2/6] dt-bindings: phy: qcom,qmp: Add sa8775p QMP PCIe
PHY
On Fri, Jul 21, 2023 at 04:33:20PM +0530, Mrinmay Sarkar wrote:
>
> On 7/17/2023 12:55 PM, Krzysztof Kozlowski wrote:
> > On 14/07/2023 07:08, Mrinmay Sarkar wrote:
> > > Add devicetree YAML binding for Qualcomm QMP PCIe PHY
> > > for SA8775p platform.
> > >
> > > Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
> > > ---
> > > .../bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 19 ++++++++++++++++++-
> > > 1 file changed, 18 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> > > index a0407fc..ca55ed9 100644
> > > --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> > > +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
> > > @@ -16,6 +16,8 @@ description:
> > > properties:
> > > compatible:
> > > enum:
> > > + - qcom,sa8775p-qmp-gen4x2-pcie-phy
> > > + - qcom,sa8775p-qmp-gen4x4-pcie-phy
> > > - qcom,sc8280xp-qmp-gen3x1-pcie-phy
> > > - qcom,sc8280xp-qmp-gen3x2-pcie-phy
> > > - qcom,sc8280xp-qmp-gen3x4-pcie-phy
> > > @@ -30,7 +32,7 @@ properties:
> > > clocks:
> > > minItems: 5
> > > - maxItems: 6
> > > + maxItems: 7
> > > clock-names:
> > > minItems: 5
> > > @@ -41,6 +43,7 @@ properties:
> > > - const: rchng
> > > - const: pipe
> > > - const: pipediv2
> > > + - const: phy_aux
> > > power-domains:
> > > maxItems: 1
> > > @@ -141,6 +144,20 @@ allOf:
> > > compatible:
> > > contains:
> > > enum:
> > > + - qcom,sa8775p-qmp-gen4x2-pcie-phy
> > > + - qcom,sa8775p-qmp-gen4x4-pcie-phy
> > > + then:
> > > + properties:
> > > + clocks:
> > > + minItems: 7
> > > + clock-names:
> > > + minItems: 7
> > > +
> > > + - if:
> > > + properties:
> > > + compatible:
> > > + contains:
> > > + enum:
> > This probably works but is not obvious and easy to read. You have here
> > if:then:else: block, so else applies to your variant. Change all these
> > if clauses for clocks into separate clauses per matching variant
> > (if:then: ... if:then:... if:then:...)
As far as I can tell, this actually doesn't work :(
> >
> > Best regards,
> > Krzysztof
>
> My Bad here, This patch already applied we will take care this in next patch
> set.
>
> Thanks,
> Mrinmay
>
Mrinmay, do you plan on spinning what Krzysztof suggested? I grabbed
linux-next today and ran into this (looks like clocks, clock-names in
binding is broken and looks like we're either missing the required
power-domain in the dts or it isn't actually required):
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] % git diff
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] % ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CHECK_DTBS=1 DT_SCHEMA_FILES=phy/qcom,sc8280xp-qmp-pcie-phy.yaml qcom/sa8775p-ride.dtb
UPD include/config/kernel.release
LINT Documentation/devicetree/bindings
CHKDT Documentation/devicetree/bindings/processed-schema.json
SCHEMA Documentation/devicetree/bindings/processed-schema.json
/home/ahalaney/git/linux-next/Documentation/devicetree/bindings/power/qcom,kpss-acc-v2.yaml: ignoring, error parsing file
DTC_CHK arch/arm64/boot/dts/qcom/sa8775p-ride.dtb
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8775p-ride.dtb: phy@...4000: 'power-domains' is a required property
from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8775p-ride.dtb: phy@...4000: clocks: [[31, 66], [31, 68], [31, 94], [31, 72], [31, 74], [31, 77], [31, 70]] is too long
from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8775p-ride.dtb: phy@...4000: clock-names: ['aux', 'cfg_ahb', 'ref', 'rchng', 'pipe', 'pipediv2', 'phy_aux'] is too long
from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8775p-ride.dtb: phy@...4000: 'power-domains' is a required property
from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8775p-ride.dtb: phy@...4000: clocks: [[31, 80], [31, 82], [31, 94], [31, 86], [31, 88], [31, 91], [31, 84]] is too long
from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8775p-ride.dtb: phy@...4000: clock-names: ['aux', 'cfg_ahb', 'ref', 'rchng', 'pipe', 'pipediv2', 'phy_aux'] is too long
from schema $id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-pcie-phy.yaml#
ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CHECK_DTBS=1 7.65s user 0.52s system 99% cpu 8.231 total
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] %
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] %
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] %
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] % # Total hack just to show our issues in current binding
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] % git diff
diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
index ca55ed9d74ac..5476cf2422da 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
@@ -87,7 +87,6 @@ required:
- reg
- clocks
- clock-names
- - power-domains
- resets
- reset-names
- vdda-phy-supply
@@ -132,12 +131,6 @@ allOf:
maxItems: 5
clock-names:
maxItems: 5
- else:
- properties:
- clocks:
- minItems: 6
- clock-names:
- minItems: 6
- if:
properties:
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] % ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CHECK_DTBS=1 DT_SCHEMA_FILES=phy/qcom,sc8280xp-qmp-pcie-phy.yaml qcom/sa8775p-ride.dtb
UPD include/config/kernel.release
LINT Documentation/devicetree/bindings
CHKDT Documentation/devicetree/bindings/processed-schema.json
SCHEMA Documentation/devicetree/bindings/processed-schema.json
/home/ahalaney/git/linux-next/Documentation/devicetree/bindings/power/qcom,kpss-acc-v2.yaml: ignoring, error parsing file
DTC_CHK arch/arm64/boot/dts/qcom/sa8775p-ride.dtb
ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CHECK_DTBS=1 7.58s user 0.87s system 98% cpu 8.618 total
(dtb-checker) ahalaney@...ora ~/git/linux-next (git)-[tags/next-20230724] %
Thanks,
Andrew
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