Re: [PATCH v3 1/2] arm64: zynqmp: Enable xlnx, zynqmp-dwc3 driver for xilinx boards

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On Fri, 06 Aug 2021 12:12:07 +0200, Michal Simek wrote:
> The commit 84770f028fab ("usb: dwc3: Add driver for Xilinx platforms")
> finally add proper support for Xilinx dwc3 driver. This patch is adding DT
> description for it.
> 
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>

Reviewed-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>

> ---
> 
> Changes in v3:
> - usb node name fix, remove undocumented properties reported by Michael Tretter
> - Also remove status property from dwc3_0/1 nodes reported by Michael
>   Tretter
> - Move USB3 PHY properties from DWC3 node to USB node - reported by Manish
>   Narani
> 
> Changes in v2:
> - New patch in the series
> 
>  .../dts/xilinx/zynqmp-zc1751-xm015-dc1.dts    |  8 ++-
>  .../dts/xilinx/zynqmp-zc1751-xm016-dc2.dts    |  7 +++
>  .../dts/xilinx/zynqmp-zc1751-xm017-dc3.dts    | 14 +++++
>  .../boot/dts/xilinx/zynqmp-zcu100-revC.dts    | 14 ++++-
>  .../boot/dts/xilinx/zynqmp-zcu102-revA.dts    |  8 ++-
>  .../boot/dts/xilinx/zynqmp-zcu104-revA.dts    |  8 ++-
>  .../boot/dts/xilinx/zynqmp-zcu104-revC.dts    |  8 ++-
>  .../boot/dts/xilinx/zynqmp-zcu106-revA.dts    |  8 ++-
>  .../boot/dts/xilinx/zynqmp-zcu111-revA.dts    |  8 ++-
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi        | 60 +++++++++++++++----
>  10 files changed, 122 insertions(+), 21 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
> index d93fe2efa39d..b05be2552826 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
> @@ -27,6 +27,7 @@ aliases {
>  		rtc0 = &rtc;
>  		serial0 = &uart0;
>  		spi0 = &qspi;
> +		usb0 = &usb0;
>  	};
>  
>  	chosen {
> @@ -404,9 +405,14 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	snps,usb3_lpm_capable;
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts
> index cd61550c52e5..938b76bd0527 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts
> @@ -26,6 +26,7 @@ aliases {
>  		serial1 = &uart1;
>  		spi0 = &spi0;
>  		spi1 = &spi1;
> +		usb0 = &usb1;
>  	};
>  
>  	chosen {
> @@ -479,7 +480,13 @@ &usb1 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb1_default>;
> +};
> +
> +&dwc3_1 {
> +	status = "okay";
>  	dr_mode = "host";
> +	snps,usb3_lpm_capable;
> +	maximum-speed = "super-speed";
>  };
>  
>  &uart0 {
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm017-dc3.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm017-dc3.dts
> index ba7f1f21c579..4394ec3b6a23 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm017-dc3.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm017-dc3.dts
> @@ -24,6 +24,8 @@ aliases {
>  		rtc0 = &rtc;
>  		serial0 = &uart0;
>  		serial1 = &uart1;
> +		usb0 = &usb0;
> +		usb1 = &usb1;
>  	};
>  
>  	chosen {
> @@ -147,11 +149,23 @@ &uart1 {
>  
>  &usb0 {
>  	status = "okay";
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
>  	dr_mode = "host";
> +	snps,usb3_lpm_capable;
> +	maximum-speed = "super-speed";
>  };
>  
>  /* ULPI SMSC USB3320 */
>  &usb1 {
>  	status = "okay";
> +};
> +
> +&dwc3_1 {
> +	status = "okay";
>  	dr_mode = "host";
> +	snps,usb3_lpm_capable;
> +	maximum-speed = "super-speed";
>  };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> index 80415e202814..f6aad4159ccd 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> @@ -30,6 +30,8 @@ aliases {
>  		serial2 = &dcc;
>  		spi0 = &spi0;
>  		spi1 = &spi1;
> +		usb0 = &usb0;
> +		usb1 = &usb1;
>  		mmc0 = &sdhci0;
>  		mmc1 = &sdhci1;
>  	};
> @@ -537,9 +539,13 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "peripheral";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 0>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "peripheral";
>  	maximum-speed = "super-speed";
>  };
>  
> @@ -548,9 +554,13 @@ &usb1 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb1_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 3 PHY_TYPE_USB3 1 0>;
> +};
> +
> +&dwc3_1 {
> +	status = "okay";
> +	dr_mode = "host";
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
> index 3d8d14ef1ede..7b9a88b125d1 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
> @@ -31,6 +31,7 @@ aliases {
>  		serial1 = &uart1;
>  		serial2 = &dcc;
>  		spi0 = &qspi;
> +		usb0 = &usb0;
>  	};
>  
>  	chosen {
> @@ -997,9 +998,14 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	snps,usb3_lpm_capable;
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
> index 86fff3632c7d..bd8f20f3223d 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts
> @@ -29,6 +29,7 @@ aliases {
>  		serial1 = &uart1;
>  		serial2 = &dcc;
>  		spi0 = &qspi;
> +		usb0 = &usb0;
>  	};
>  
>  	chosen {
> @@ -481,9 +482,14 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	snps,usb3_lpm_capable;
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
> index 2a872d439804..96feaad30166 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts
> @@ -29,6 +29,7 @@ aliases {
>  		serial1 = &uart1;
>  		serial2 = &dcc;
>  		spi0 = &qspi;
> +		usb0 = &usb0;
>  	};
>  
>  	chosen {
> @@ -493,9 +494,14 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	snps,usb3_lpm_capable;
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
> index 057c04352591..20b7c75bb1d3 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
> @@ -31,6 +31,7 @@ aliases {
>  		serial1 = &uart1;
>  		serial2 = &dcc;
>  		spi0 = &qspi;
> +		usb0 = &usb0;
>  	};
>  
>  	chosen {
> @@ -990,9 +991,14 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	snps,usb3_lpm_capable;
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
> index e1fff62a4cd5..e36df6adbeee 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
> @@ -30,6 +30,7 @@ aliases {
>  		serial0 = &uart0;
>  		serial1 = &dcc;
>  		spi0 = &qspi;
> +		usb0 = &usb0;
>  	};
>  
>  	chosen {
> @@ -827,9 +828,14 @@ &usb0 {
>  	status = "okay";
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_usb0_default>;
> -	dr_mode = "host";
>  	phy-names = "usb3-phy";
>  	phys = <&psgtr 2 PHY_TYPE_USB3 0 2>;
> +};
> +
> +&dwc3_0 {
> +	status = "okay";
> +	dr_mode = "host";
> +	snps,usb3_lpm_capable;
>  	maximum-speed = "super-speed";
>  };
>  
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index b5fde9dddca5..74e66443e4ce 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -2,7 +2,7 @@
>  /*
>   * dts file for Xilinx ZynqMP
>   *
> - * (C) Copyright 2014 - 2019, Xilinx, Inc.
> + * (C) Copyright 2014 - 2021, Xilinx, Inc.
>   *
>   * Michal Simek <michal.simek@xxxxxxxxxx>
>   *
> @@ -805,24 +805,58 @@ uart1: serial@ff010000 {
>  			power-domains = <&zynqmp_firmware PD_UART_1>;
>  		};
>  
> -		usb0: usb@fe200000 {
> -			compatible = "snps,dwc3";
> +		usb0: usb@ff9d0000 {
> +			#address-cells = <2>;
> +			#size-cells = <2>;
>  			status = "disabled";
> -			interrupt-parent = <&gic>;
> -			interrupts = <0 65 4>;
> -			reg = <0x0 0xfe200000 0x0 0x40000>;
> -			clock-names = "clk_xin", "clk_ahb";
> +			compatible = "xlnx,zynqmp-dwc3";
> +			reg = <0x0 0xff9d0000 0x0 0x100>;
> +			clock-names = "bus_clk", "ref_clk";
>  			power-domains = <&zynqmp_firmware PD_USB_0>;
> +			resets = <&zynqmp_reset ZYNQMP_RESET_USB0_CORERESET>,
> +				 <&zynqmp_reset ZYNQMP_RESET_USB0_HIBERRESET>,
> +				 <&zynqmp_reset ZYNQMP_RESET_USB0_APB>;
> +			reset-names = "usb_crst", "usb_hibrst", "usb_apbrst";
> +			ranges;
> +
> +			dwc3_0: usb@fe200000 {
> +				compatible = "snps,dwc3";
> +				reg = <0x0 0xfe200000 0x0 0x40000>;
> +				interrupt-parent = <&gic>;
> +				interrupt-names = "dwc_usb3", "otg";
> +				interrupts = <0 65 4>, <0 69 4>;
> +				#stream-id-cells = <1>;
> +				iommus = <&smmu 0x860>;
> +				snps,quirk-frame-length-adjustment = <0x20>;
> +				/* dma-coherent; */
> +			};
>  		};
>  
> -		usb1: usb@fe300000 {
> -			compatible = "snps,dwc3";
> +		usb1: usb@ff9e0000 {
> +			#address-cells = <2>;
> +			#size-cells = <2>;
>  			status = "disabled";
> -			interrupt-parent = <&gic>;
> -			interrupts = <0 70 4>;
> -			reg = <0x0 0xfe300000 0x0 0x40000>;
> -			clock-names = "clk_xin", "clk_ahb";
> +			compatible = "xlnx,zynqmp-dwc3";
> +			reg = <0x0 0xff9e0000 0x0 0x100>;
> +			clock-names = "bus_clk", "ref_clk";
>  			power-domains = <&zynqmp_firmware PD_USB_1>;
> +			resets = <&zynqmp_reset ZYNQMP_RESET_USB1_CORERESET>,
> +				 <&zynqmp_reset ZYNQMP_RESET_USB1_HIBERRESET>,
> +				 <&zynqmp_reset ZYNQMP_RESET_USB1_APB>;
> +			reset-names = "usb_crst", "usb_hibrst", "usb_apbrst";
> +			ranges;
> +
> +			dwc3_1: usb@fe300000 {
> +				compatible = "snps,dwc3";
> +				reg = <0x0 0xfe300000 0x0 0x40000>;
> +				interrupt-parent = <&gic>;
> +				interrupt-names = "dwc_usb3", "otg";
> +				interrupts = <0 70 4>, <0 74 4>;
> +				#stream-id-cells = <1>;
> +				iommus = <&smmu 0x861>;
> +				snps,quirk-frame-length-adjustment = <0x20>;
> +				/* dma-coherent; */
> +			};
>  		};
>  
>  		watchdog0: watchdog@fd4d0000 {
> -- 
> 2.32.0
> 
> 
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> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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> 

-- 
Pengutronix e.K.                           | Michael Tretter             |
Steuerwalder Str. 21                       | https://www.pengutronix.de/ |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



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