linux-kernel - Re: [PATCH v6 6/8] arm64: dts: qcom: sc8280xp: Add multiport controller node for SC8280

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Message-ID: <20230414154527.vsjtgtfsd5kc7vww@halaney-x13s>
Date:   Fri, 14 Apr 2023 10:45:27 -0500
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Krishna Kurapati <quic_kriskura@...cinc.com>
Cc:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        quic_pkondeti@...cinc.com, quic_ppratap@...cinc.com,
        quic_wcheng@...cinc.com, quic_jackp@...cinc.com,
        quic_harshq@...cinc.com, quic_shazhuss@...cinc.com
Subject: Re: [PATCH v6 6/8] arm64: dts: qcom: sc8280xp: Add multiport
 controller node for SC8280

On Wed, Apr 05, 2023 at 06:27:57PM +0530, Krishna Kurapati wrote:
> Add USB and DWC3 node for tertiary port of SC8280 along with multiport
> IRQ's and phy's. This will be used as a base for SA8295P and SA8295-Ride
> platforms.
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> ---
> Link to v5: https://lore.kernel.org/all/20230310163420.7582-7-quic_kriskura@quicinc.com/
> 
>  arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 58 ++++++++++++++++++++++++++
>  1 file changed, 58 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> index 42bfa9fa5b96..7b81f2b0449d 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> @@ -3108,6 +3108,64 @@ usb_1_role_switch: endpoint {
>  			};
>  		};
>  
> +		usb_2: usb@...8800 {
> +			compatible = "qcom,sc8280xp-dwc3", "qcom,dwc3";
> +			reg = <0 0x0a4f8800 0 0x400>;
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			clocks = <&gcc GCC_CFG_NOC_USB3_MP_AXI_CLK>,
> +				 <&gcc GCC_USB30_MP_MASTER_CLK>,
> +				 <&gcc GCC_AGGRE_USB3_MP_AXI_CLK>,
> +				 <&gcc GCC_USB30_MP_SLEEP_CLK>,
> +				 <&gcc GCC_USB30_MP_MOCK_UTMI_CLK>,
> +				 <&gcc GCC_AGGRE_USB_NOC_AXI_CLK>,
> +				 <&gcc GCC_AGGRE_USB_NOC_NORTH_AXI_CLK>,
> +				 <&gcc GCC_AGGRE_USB_NOC_SOUTH_AXI_CLK>,
> +				 <&gcc GCC_SYS_NOC_USB_AXI_CLK>;
> +			clock-names = "cfg_noc", "core", "iface", "sleep", "mock_utmi",
> +				      "noc_aggr", "noc_aggr_north", "noc_aggr_south", "noc_sys";
> +
> +			assigned-clocks = <&gcc GCC_USB30_MP_MOCK_UTMI_CLK>,
> +					  <&gcc GCC_USB30_MP_MASTER_CLK>;
> +			assigned-clock-rates = <19200000>, <200000000>;
> +
> +			interrupts-extended = <&pdc 127 IRQ_TYPE_EDGE_RISING>,
> +						<&pdc 126 IRQ_TYPE_EDGE_RISING>,
> +						<&pdc 16 IRQ_TYPE_LEVEL_HIGH>;
> +
> +			interrupt-names = "dp_hs_phy_irq", "dm_hs_phy_irq",
> +						"ss_phy_irq";
> +

This is breaking the current schema (with the full series applied),
I am not sure if a pwr_event IRQ exists or but it maybe necessary to
modify qcom,dwc3.yaml in order to explain hardware if it doesn't exist:

(dtschema) ahalaney@...aney-x13s ~/git/linux-next (git)-[718f2024524f] % make CHECK_DTBS=y DT_SCHEMA_FILES=/usb/qcom,dwc3.yaml qcom/sa8540p-ride.dtb                                                                                   :(
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTC_CHK arch/arm64/boot/dts/qcom/sa8540p-ride.dtb
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8540p-ride.dtb: usb@...8800: interrupt-names:0: 'pwr_event' was expected
	From schema: /home/ahalaney/git/linux-next/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8540p-ride.dtb: usb@...8800: interrupt-names:1: 'dp_hs_phy_irq' was expected
	From schema: /home/ahalaney/git/linux-next/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8540p-ride.dtb: usb@...8800: interrupt-names:2: 'dm_hs_phy_irq' was expected
	From schema: /home/ahalaney/git/linux-next/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8540p-ride.dtb: usb@...8800: interrupt-names: ['dp_hs_phy_irq', 'dm_hs_phy_irq', 'ss_phy_irq'] is too short
	From schema: /home/ahalaney/git/linux-next/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
/home/ahalaney/git/linux-next/arch/arm64/boot/dts/qcom/sa8540p-ride.dtb: usb@...8800: interrupts-extended: [[99, 127, 1], [99, 126, 1], [99, 16, 4]] is too short
	From schema: /home/ahalaney/git/linux-next/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
make CHECK_DTBS=y DT_SCHEMA_FILES=/usb/qcom,dwc3.yaml qcom/sa8540p-ride.dtb  22.61s user 0.54s system 99% cpu 23.172 total
(dtschema) ahalaney@...aney-x13s ~/git/linux-next (git)-[718f2024524f] %

Thanks,
Andrew