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Message-ID: <d6452efa-5d97-4c29-a2ea-8c97569dbdb5@quicinc.com>
Date: Thu, 24 Oct 2024 15:46:37 -0700
From: Melody Olvera <quic_molvera@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        "Rob Herring (Arm)"
	<robh@...nel.org>
CC: Arnd Bergmann <arnd@...db.de>,
        Dmitry Baryshkov
	<dmitry.baryshkov@...aro.org>,
        Nícolas F . R . A . Prado <nfraprado@...labora.com>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Satya Durga Srinivasu Prabhala
	<quic_satyap@...cinc.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        "Neil
 Armstrong" <neil.armstrong@...aro.org>,
        Lee Jones <lee@...nel.org>, "Konrad
 Dybcio" <konradybcio@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, "Stephen Boyd" <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        "Bjorn Andersson" <andersson@...nel.org>,
        <linux-arm-msm@...r.kernel.org>,
        "Catalin Marinas" <catalin.marinas@....com>,
        Geert Uytterhoeven
	<geert+renesas@...der.be>,
        Will Deacon <will@...nel.org>
Subject: Re: [PATCH 0/5] dts: qcom: Introduce SM8750 device trees



On 10/24/2024 10:22 AM, Konrad Dybcio wrote:
> On 24.10.2024 6:33 PM, Rob Herring (Arm) wrote:
>> On Mon, 21 Oct 2024 16:21:09 -0700, Melody Olvera wrote:
>>> This series adds the initial device tree support for the SM8750 SoCs
>>> needed to boot to shell. This specifically adds support for clocks,
>>> pinctrl, rpmhpd, regulators, interconnects, and SoC and board
>>> compatibles.
>>>
> [...]
>
>> New warnings running 'make CHECK_DTBS=y qcom/sm8750-mtp.dtb qcom/sm8750-qrd.dtb' for 20241021232114.2636083-1-quic_molvera@...cinc.com:
>>
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: domain-idle-states: cluster-sleep-0: 'idle-state-name' does not match any of the regexes: 'pinctrl-[0-9]+'
>> 	from schema $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: domain-idle-states: cluster-sleep-0:compatible:0: 'domain-idle-state' was expected
>> 	from schema $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-qrd.dtb: domain-idle-states: cluster-sleep-0: 'idle-state-name' does not match any of the regexes: 'pinctrl-[0-9]+'
>> 	from schema $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-qrd.dtb: domain-idle-states: cluster-sleep-0:compatible:0: 'domain-idle-state' was expected
>> 	from schema $id: http://devicetree.org/schemas/power/domain-idle-state.yaml#
> These were recently dropped across the board, please drop them
> here as well.

Ack.

>
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: pmic@7: 'eusb2-repeater@...0' does not match any of the regexes: '(.*)?(wled|leds)@[0-9a-f]+$', '^adc-tm@[0-9a-f]+$', '^adc@[0-9a-f]+$', '^audio-codec@[0-9a-f]+$', '^battery@[0-9a-f]+$', '^charger@[0-9a-f]+$', '^led-controller@[0-9a-f]+$', '^mpps@[0-9a-f]+$', '^nvram@[0-9a-f]+$', '^pbs@[0-9a-f]+$', '^rtc@[0-9a-f]+$', '^temp-alarm@[0-9a-f]+$', '^typec@[0-9a-f]+$', '^usb-detect@[0-9a-f]+$', '^usb-vbus-regulator@[0-9a-f]+$', '^vibrator@[0-9a-f]+$', 'gpio@[0-9a-f]+$', 'phy@[0-9a-f]+$', 'pinctrl-[0-9]+', 'pon@[0-9a-f]+$'
>> 	from schema $id: http://devicetree.org/schemas/mfd/qcom,spmi-pmic.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-qrd.dtb: pmic@7: 'eusb2-repeater@...0' does not match any of the regexes: '(.*)?(wled|leds)@[0-9a-f]+$', '^adc-tm@[0-9a-f]+$', '^adc@[0-9a-f]+$', '^audio-codec@[0-9a-f]+$', '^battery@[0-9a-f]+$', '^charger@[0-9a-f]+$', '^led-controller@[0-9a-f]+$', '^mpps@[0-9a-f]+$', '^nvram@[0-9a-f]+$', '^pbs@[0-9a-f]+$', '^rtc@[0-9a-f]+$', '^temp-alarm@[0-9a-f]+$', '^typec@[0-9a-f]+$', '^usb-detect@[0-9a-f]+$', '^usb-vbus-regulator@[0-9a-f]+$', '^vibrator@[0-9a-f]+$', 'gpio@[0-9a-f]+$', 'phy@[0-9a-f]+$', 'pinctrl-[0-9]+', 'pon@[0-9a-f]+$'
> phy@ (as seen in x1e80100-pmics.dtsi)

Ack.

>
>> 	from schema $id: http://devicetree.org/schemas/mfd/qcom,spmi-pmic.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: rsc@...00000: regulators-0: Unevaluated properties are not allowed ('vdd-l1-supply', 'vdd-l10-supply', 'vdd-l4-supply' were unexpected)
>> 	from schema $id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: rsc@...00000: regulators-0: Unevaluated properties are not allowed ('vdd-l1-supply', 'vdd-l10-supply', 'vdd-l4-supply' were unexpected)

These actually needed to be combined; they should be 
vdd-l1-l4-l10-supply. Will fix.

>> 	from schema $id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: rsc@...00000: regulators-4: Unevaluated properties are not allowed ('vdd-s7-supply', 'vdd-s8-supply' were unexpected)
>> 	from schema $id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: rsc@...00000: regulators-4: Unevaluated properties are not allowed ('vdd-s7-supply', 'vdd-s8-supply' were unexpected)
>> 	from schema $id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml#
> These need bindings updates

Agreed; this regulator is not documented correctly. Will address in a v2 ps.

>
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: rsc@...00000: 'power-domains' is a required property
>> 	from schema $id: http://devicetree.org/schemas/soc/qcom/qcom,rpmh-rsc.yaml#
> This I'll address when reviewing the dt

So for this, let me know if the following seems about right.
The rsc node needs a system-wide power domain defined. To accomplish 
this, I would define
a system_pd node and point both cluster pd nodes to it via 
power-domains, similar to what you did here:
https://lore.kernel.org/all/20240102-topic-x1e_fixes-v1-3-70723e08d5f6@linaro.org/

Then, extrapolating from that, I can define a system-wide idle-state 
under the domain-idle-state node as follows:
domain_ss3: domain-sleep-0 {
     compatible = "domain-idle-state";
     [...] (omitting a bunch of details, but you get the point)
};

And then point to that from the new system_pd node under the psci node:
system_pd: power-domain-system {
     #power-domain-cells = <0>;
     domain-idle-states = <&domain_ss3>;
};

And then of course in the rsc node, have power-domains = <&system_pd>;

Is that correct?


>
> [...] (skipping a bunch of duplicates)
>
>> arch/arm64/boot/dts/qcom/sm8750-mtp.dtb: timer@...00000: #size-cells: 1 was expected
>> 	from schema $id: http://devicetree.org/schemas/timer/arm,arch_timer_mmio.yaml#
>> arch/arm64/boot/dts/qcom/sm8750-qrd.dtb: timer@...00000: #size-cells: 1 was expected
>> 	from schema $id: http://devicetree.org/schemas/timer/arm,arch_timer_mmio.yaml#
> #address-cells <2> is fine, #size-cells must be 1, apparently

Ack.

Thanks,
Melody

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