Re: [PATCH v4 4/7] ARM: dts: aspeed-g6: add usb functions

[Benjamin Herrenschmidt]

On Wed, 2020-02-26 at 15:03 -0800, rentao.bupt@xxxxxxxxx wrote:
> From: Tao Ren <rentao.bupt@xxxxxxxxx>
> 
> Add USB components and according pin groups in aspeed-g6 dtsi.
> 
> Signed-off-by: Tao Ren <rentao.bupt@xxxxxxxxx>
> Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx>

Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>

> ---
>  No change in v3/v4.
>  Changes in v2:
>    - added port/endpoint properties for vhub dt node.
> 
>  arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi | 25 +++++++++++++
>  arch/arm/boot/dts/aspeed-g6.dtsi         | 45
> ++++++++++++++++++++++++
>  2 files changed, 70 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> index 045ce66ca876..7028e21bdd98 100644
> --- a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> @@ -1112,6 +1112,31 @@
>  		groups = "UART9";
>  	};
>  
> +	pinctrl_usb2ah_default: usb2ah_default {
> +		function = "USB2AH";
> +		groups = "USBA";
> +	};
> +
> +	pinctrl_usb2ad_default: usb2ad_default {
> +		function = "USB2AD";
> +		groups = "USBA";
> +	};
> +
> +	pinctrl_usb2bh_default: usb2bh_default {
> +		function = "USB2BH";
> +		groups = "USBB";
> +	};
> +
> +	pinctrl_usb2bd_default: usb2bd_default {
> +		function = "USB2BD";
> +		groups = "USBB";
> +	};
> +
> +	pinctrl_usb11bhid_default: usb11bhid_default {
> +		function = "USB11BHID";
> +		groups = "USBB";
> +	};
> +
>  	pinctrl_vb_default: vb_default {
>  		function = "VB";
>  		groups = "VB";
> diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi
> b/arch/arm/boot/dts/aspeed-g6.dtsi
> index 796976d275e1..0a29b3b57a9d 100644
> --- a/arch/arm/boot/dts/aspeed-g6.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
> @@ -245,6 +245,51 @@
>  			status = "disabled";
>  		};
>  
> +		ehci0: usb@1e6a1000 {
> +			compatible = "aspeed,ast2600-ehci", "generic-
> ehci";
> +			reg = <0x1e6a1000 0x100>;
> +			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&syscon ASPEED_CLK_GATE_USBPORT1CLK>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pinctrl_usb2ah_default>;
> +			status = "disabled";
> +		};
> +
> +		ehci1: usb@1e6a3000 {
> +			compatible = "aspeed,ast2600-ehci", "generic-
> ehci";
> +			reg = <0x1e6a3000 0x100>;
> +			interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pinctrl_usb2bh_default>;
> +			status = "disabled";
> +		};
> +
> +		uhci: usb@1e6b0000 {
> +			compatible = "aspeed,ast2600-uhci", "generic-
> uhci";
> +			reg = <0x1e6b0000 0x100>;
> +			interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> +			#ports = <2>;
> +			clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;
> +			status = "disabled";
> +			/*
> +			 * No default pinmux, it will follow EHCI, use
> an
> +			 * explicit pinmux override if EHCI is not
> enabled.
> +			 */
> +		};
> +
> +		vhub: usb-vhub@1e6a0000 {
> +			compatible = "aspeed,ast2600-usb-vhub";
> +			reg = <0x1e6a0000 0x350>;
> +			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&syscon ASPEED_CLK_GATE_USBPORT1CLK>;
> +			aspeed,vhub-downstream-ports = <7>;
> +			aspeed,vhub-generic-endpoints = <21>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&pinctrl_usb2ad_default>;
> +			status = "disabled";
> +		};
> +
>  		apb {
>  			compatible = "simple-bus";
>  			#address-cells = <1>;