[RFC] arm: dts: imx: imx8qm: usb support

Peng Fan peng.fan at nxp.com
Tue May 5 15:22:21 CEST 2020


> Subject: [RFC] arm: dts: imx: imx8qm: usb support
> 
> Try to get USB working with imx8qm. Therefore I took below from NXP vendor
> tree. Can someone point me to the missing driver parts that are needed?

The usb driver still not enabled.

Regards,
Peng.

> 
> Best regards,
> 
> Oliver
> 
> ---
>  arch/arm/dts/fsl-imx8qm.dtsi | 71
> ++++++++++++++++++++++++++++++++++++
>  1 file changed, 71 insertions(+)
> 
> diff --git a/arch/arm/dts/fsl-imx8qm.dtsi b/arch/arm/dts/fsl-imx8qm.dtsi
> index 6808f68f9d..87c3bb2257 100644
> --- a/arch/arm/dts/fsl-imx8qm.dtsi
> +++ b/arch/arm/dts/fsl-imx8qm.dtsi
> @@ -40,6 +40,10 @@
>  		i2c1 = &i2c1;
>  		i2c2 = &i2c2;
>  		i2c3 = &i2c3;
> +		usb0 = &usbotg1;
> +		usbphy0 = &usbphy1;
> +		usb1 = &usb2;
> +		usbphy1 = &usb2_phy;
>  		i2c4 = &i2c4;
>  	};
> 
> @@ -142,6 +146,33 @@
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> 
> +			pd_conn_usbotg0: PD_CONN_USB_0 {
> +				reg = <SC_R_USB_0>;
> +				#power-domain-cells = <0>;
> +				power-domains = <&pd_conn>;
> +			};
> +
> +			pd_conn_usbotg0_phy: PD_CONN_USB_0_PHY {
> +				reg = <SC_R_USB_0_PHY>;
> +				#power-domain-cells = <0>;
> +				power-domains = <&pd_conn>;
> +			};
> +
> +			pd_conn_usbotg1: PD_CONN_USB_1 {
> +				reg = <SC_R_USB_1>;
> +				#power-domain-cells = <0>;
> +				power-domains = <&pd_conn>;
> +			};
> +			pd_conn_usb2: PD_CONN_USB_2 {
> +				reg = <SC_R_USB_2>;
> +				#power-domain-cells = <0>;
> +				power-domains = <&pd_conn>;
> +			};
> +			pd_conn_usb2_phy: PD_CONN_USB_2_PHY {
> +				reg = <SC_R_USB_2_PHY>;
> +				#power-domain-cells = <0>;
> +				power-domains = <&pd_conn>;
> +			};
>  			pd_conn_sdch0: PD_CONN_SDHC_0 {
>  				reg = <SC_R_SDHC_0>;
>  				#power-domain-cells = <0>;
> @@ -555,6 +586,46 @@
>  		power-domains = <&pd_conn_enet1>;
>  		status = "disabled";
>  	};
> +
> +	usbmisc1: usbmisc at 5b0d0200 {
> +		#index-cells = <1>;
> +		compatible = "fsl,imx7d-usbmisc", "fsl,imx6q-usbmisc";
> +		reg = <0x0 0x5b0d0200 0x0 0x200>;
> +	};
> +
> +	usbphy1: usbphy at 0x5b100000 {
> +		compatible = "fsl,imx8qm-usbphy", "fsl,imx7ulp-usbphy",
> "fsl,imx6ul-usbphy", "fsl,imx23-usbphy";
> +		reg = <0x0 0x5b100000 0x0 0x200>;
> +		clocks = <&clk IMX8QM_USB2_PHY_IPG_CLK>;
> +		power-domains = <&pd_conn_usbotg0_phy>;
> +	};
> +
> +	usbotg1: usb at 5b0d0000 {
> +		compatible = "fsl,imx7d-usb", "fsl,imx27-usb";
> +		reg = <0x0 0x5b0d0000 0x0 0x200>;
> +		interrupts = <GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>;
> +		fsl,usbphy = <&usbphy1>;
> +		fsl,usbmisc = <&usbmisc1 0>;
> +		clocks = <&clk IMX8QM_USB2_OH_AHB_CLK>;
> +		phy-clkgate-delay-us = <400>;
> +		status = "disabled";
> +		#stream-id-cells = <1>;
> +		power-domains = <&pd_conn_usbotg0>;
> +	};
> +
> +	usb2_phy: phy at 0x5b160000 {
> +		compatible = "fsl,imx8-usb-phy";
> +		reg = <0x0 0x5b160000 0x0 0x10000>;
> +		power-domains = <&pd_conn_usb2_phy>;
> +	};
> +
> +	usb2: usb at 0x5b110000 {
> +		compatible = "fsl,imx8-usb3";
> +		reg = <0x0 0x5b110000 0x0 0x38000>;
> +		fsl,usbphy = <&usb2_phy>;
> +		status = "disabled";
> +		power-domains = <&pd_conn_usb2>;
> +	};
>  };
> 
>  &A53_0 {
> --
> 2.17.1



More information about the U-Boot mailing list