linux-kernel - Re: [PATCH v10 02/11] arm64: dts: imx8ulp: add usb nodes

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Message-ID: <ZgvCTgB4lp0F83Kn@dragon>
Date: Tue, 2 Apr 2024 16:31:10 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Xu Yang <xu.yang_2@....com>
Cc: gregkh@...uxfoundation.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
	conor+dt@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
	festevam@...il.com, linux-imx@....com, peter.chen@...nel.org,
	jun.li@....com, linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	imx@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 02/11] arm64: dts: imx8ulp: add usb nodes

On Thu, Mar 21, 2024 at 04:14:30PM +0800, Xu Yang wrote:
> Add USB nodes on i.MX8ULP platform which has 2 USB controllers.
> 
> Signed-off-by: Xu Yang <xu.yang_2@....com>
> 
> ---
> Changes in v2:
>  - no changes
> Changes in v3:
>  - no changes
> Changes in v4:
>  - no changes
> Changes in v5:
>  - no changes
> Changes in v6:
>  - drop usbphy aliases
> Changes in v7:
>  - no changes
> Changes in v8:
>  - no changes
> Changes in v9:
>  - no changes
> Changes in v10:
>  - no changes
> ---
>  arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 62 ++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> index c4a0082f30d3..7da9461a5745 100644
> --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> @@ -472,6 +472,68 @@ usdhc2: mmc@...f0000 {
>  				status = "disabled";
>  			};
>  
> +			usbotg1: usb@...00000 {
> +				compatible = "fsl,imx8ulp-usb", "fsl,imx7ulp-usb", "fsl,imx6ul-usb";
> +				reg = <0x29900000 0x200>;
> +				interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&pcc4 IMX8ULP_CLK_USB0>;
> +				power-domains = <&scmi_devpd IMX8ULP_PD_USB0>;
> +				phys = <&usbphy1>;
> +				fsl,usbmisc = <&usbmisc1 0>;
> +				ahb-burst-config = <0x0>;
> +				tx-burst-size-dword = <0x8>;
> +				rx-burst-size-dword = <0x8>;
> +				status = "disabled";
> +			};
> +
> +			usbmisc1: usbmisc@...00200 {
> +				compatible = "fsl,imx8ulp-usbmisc", "fsl,imx7d-usbmisc",
> +						"fsl,imx6q-usbmisc";
> +				#index-cells = <1>;
> +				reg = <0x29900200 0x200>;

Could you move 'reg' above so that it's after compatible?

> +				status = "disabled";
> +			};
> +
> +			usbphy1: usb-phy@...10000 {
> +				compatible = "fsl,imx8ulp-usbphy", "fsl,imx7ulp-usbphy";
> +				reg = <0x29910000 0x10000>;
> +				interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&pcc4 IMX8ULP_CLK_USB0_PHY>;
> +				#phy-cells = <0>;
> +				status = "disabled";
> +			};
> +
> +			usbotg2: usb@...20000 {
> +				compatible = "fsl,imx8ulp-usb", "fsl,imx7ulp-usb", "fsl,imx6ul-usb";
> +				reg = <0x29920000 0x200>;
> +				interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&pcc4 IMX8ULP_CLK_USB1>;
> +				power-domains = <&scmi_devpd IMX8ULP_PD_USDHC2_USB1>;
> +				phys = <&usbphy2>;
> +				fsl,usbmisc = <&usbmisc2 0>;
> +				ahb-burst-config = <0x0>;
> +				tx-burst-size-dword = <0x8>;
> +				rx-burst-size-dword = <0x8>;
> +				status = "disabled";
> +			};
> +
> +			usbmisc2: usbmisc@...20200 {
> +				compatible = "fsl,imx8ulp-usbmisc", "fsl,imx7d-usbmisc",
> +						"fsl,imx6q-usbmisc";
> +				#index-cells = <1>;
> +				reg = <0x29920200 0x200>;

Ditto

Shawn

> +				status = "disabled";
> +			};
> +
> +			usbphy2: usb-phy@...30000 {
> +				compatible = "fsl,imx8ulp-usbphy", "fsl,imx7ulp-usbphy";
> +				reg = <0x29930000 0x10000>;
> +				interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
> +				clocks = <&pcc4 IMX8ULP_CLK_USB1_PHY>;
> +				#phy-cells = <0>;
> +				status = "disabled";
> +			};
> +
>  			fec: ethernet@...50000 {
>  				compatible = "fsl,imx8ulp-fec", "fsl,imx6ul-fec", "fsl,imx6q-fec";
>  				reg = <0x29950000 0x10000>;
> -- 
> 2.34.1
>