linux-kernel - Re: [PATCH 7/9] arm64: dts: qcom: ipq5332: Add USB related nodes

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Message-ID: <8e21fef3-5ae4-673a-dce2-4ebf1dd0eb66@linaro.org>
Date:   Wed, 7 Jun 2023 14:23:20 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Varadarajan Narayanan <quic_varada@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org, vkoul@...nel.org,
        kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        gregkh@...uxfoundation.org, catalin.marinas@....com,
        will@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        p.zabel@...gutronix.de, arnd@...db.de, geert+renesas@...der.be,
        neil.armstrong@...aro.org, nfraprado@...labora.com,
        broonie@...nel.org, rafal@...ecki.pl, quic_srichara@...cinc.com,
        quic_varada@...cinc.org, quic_wcheng@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH 7/9] arm64: dts: qcom: ipq5332: Add USB related nodes

On 07/06/2023 13:56, Varadarajan Narayanan wrote:
> Add USB phy and controller nodes
> 
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/ipq5332.dtsi | 55 +++++++++++++++++++++++++++++++++++
>   1 file changed, 55 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> index c2d6cc65..3183357 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> @@ -383,6 +383,61 @@
>   				status = "disabled";
>   			};
>   		};
> +
> +		usb_0_m31phy: hs_m31phy@...00 {
> +			compatible = "qcom,ipq5332-m31-usb-hsphy";
> +			reg = <0x0007b000 0x12C>,
> +			      <0x08af8800 0x400>;
> +			reg-names = "m31usb_phy_base",
> +				    "qscratch_base";
> +			phy_type= "utmi";
> +
> +			resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> +			reset-names = "usb2_phy_reset";
> +
> +			status = "okay";
> +		};
> +
> +		usb2: usb2@...0000 {
> +			compatible = "qcom,ipq5332-dwc3", "qcom,dwc3";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
> +
> +			reg = <0x08af8800 0x100>;
> +
> +			clocks = <&gcc GCC_USB0_MASTER_CLK>,
> +				<&gcc GCC_SNOC_USB_CLK>,
> +				<&gcc GCC_USB0_SLEEP_CLK>,
> +				<&gcc GCC_USB0_MOCK_UTMI_CLK>;

Please indent these values.

> +
> +			clock-names = "core",
> +				"iface",
> +				"sleep",
> +				"mock_utmi";

Please indent these values.

> +
> +			interrupts-extended = <&intc GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;

No PHY IRQs?

> +			interrupt-names = "pwr_event";
> +
> +			resets = <&gcc GCC_USB_BCR>;
> +
> +			qcom,select-utmi-as-pipe-clk;
> +
> +			usb2_0_dwc: usb@...0000 {
> +				compatible = "snps,dwc3";
> +				reg = <0x08a00000 0xe000>;
> +				clocks = <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> +				clock-names = "ref";
> +				interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
> +				usb-phy = <&usb_0_m31phy>;
> +				tx-fifo-resize;
> +				snps,is-utmi-l1-suspend;
> +				snps,hird-threshold = /bits/ 8 <0x0>;
> +				snps,dis_u2_susphy_quirk;
> +				snps,dis_u3_susphy_quirk;
> +				snps,ref-clock-period-ns = <21>;
> +			};
> +		};
>   	};
>   
>   	timer {

-- 
With best wishes
Dmitry