Re: [PATCH 5/6] arm64: tegra: Add XUSB and pad controller on Tegra194

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On Wed, Oct 02, 2019 at 04:00:50PM +0800, JC Kuo wrote:
> Adds the XUSB pad and XUSB controllers on Tegra194.
> 
> Signed-off-by: JC Kuo <jckuo@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/nvidia/tegra194.dtsi | 130 +++++++++++++++++++++++
>  1 file changed, 130 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> index 3c0cf54f0aab..4d3371d3a407 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> @@ -1599,4 +1599,134 @@
>  		interrupt-parent = <&gic>;
>  		always-on;
>  	};
> +
> +	xusb_padctl: padctl@3520000 {

I also noticed that this is outside of the /cbb bus node. It really
belongs inside /cbb. Same for the XHCI controller node.

Thierry

> +		compatible = "nvidia,tegra194-xusb-padctl";
> +		reg = <0x0 0x03520000 0x0 0x1000>,
> +			<0x0 0x03540000 0x0 0x1000>;
> +		reg-names = "padctl", "ao";
> +
> +		resets = <&bpmp TEGRA194_RESET_XUSB_PADCTL>;
> +		reset-names = "padctl";
> +
> +		status = "disabled";
> +
> +		pads {
> +			usb2 {
> +				clocks = <&bpmp TEGRA194_CLK_USB2_TRK>;
> +				clock-names = "trk";
> +
> +				lanes {
> +					usb2-0 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +					usb2-1 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +					usb2-2 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +					usb2-3 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +				};
> +			};
> +			usb3 {
> +				lanes {
> +					usb3-0 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +					usb3-1 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +					usb3-2 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +					usb3-3 {
> +						nvidia,function = "xusb";
> +						status = "disabled";
> +						#phy-cells = <0>;
> +					};
> +				};
> +			};
> +		};
> +
> +		ports {
> +			usb2-0 {
> +				status = "disabled";
> +			};
> +			usb2-1 {
> +				status = "disabled";
> +			};
> +			usb2-2 {
> +				status = "disabled";
> +			};
> +			usb2-3 {
> +				status = "disabled";
> +			};
> +			usb3-0 {
> +				status = "disabled";
> +			};
> +			usb3-1 {
> +				status = "disabled";
> +			};
> +			usb3-2 {
> +				status = "disabled";
> +			};
> +			usb3-3 {
> +				status = "disabled";
> +			};
> +		};
> +	};
> +
> +	tegra_xhci: xhci@3610000 {
> +		compatible = "nvidia,tegra194-xusb";
> +		reg = <0x0 0x03610000 0x0 0x40000>,
> +			<0x0 0x03600000 0x0 0x10000>;
> +		reg-names = "hcd", "fpci";
> +
> +		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
> +				<GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
> +				<GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
> +
> +		clocks = <&bpmp TEGRA194_CLK_XUSB_CORE_MUX>,
> +			<&bpmp TEGRA194_CLK_XUSB_CORE_HOST>,
> +			<&bpmp TEGRA194_CLK_XUSB_CORE_SS>,
> +			<&bpmp TEGRA194_CLK_XUSB_FALCON>,
> +			<&bpmp TEGRA194_CLK_XUSB_FALCON_HOST>,
> +			<&bpmp TEGRA194_CLK_XUSB_FALCON_SS>,
> +			<&bpmp TEGRA194_CLK_XUSB_FS>,
> +			<&bpmp TEGRA194_CLK_XUSB_FS_HOST>,
> +			<&bpmp TEGRA194_CLK_XUSB_SS>,
> +			<&bpmp TEGRA194_CLK_XUSB_SS_SUPERSPEED>,
> +			<&bpmp TEGRA194_CLK_UTMIPLL>,
> +			<&bpmp TEGRA194_CLK_CLK_M>,
> +			<&bpmp TEGRA194_CLK_PLLE>;
> +		clock-names = "xusb_hs_src", "xusb_host",
> +			"xusb_core_superspeed_clk", "xusb_falcon_src",
> +			"xusb_falcon_host_clk", "xusb_falcon_superspeed_clk",
> +			"xusb_fs_src", "xusb_fs_host_clk", "xusb_ss_src",
> +			"xusb_ss", "pll_u_480m", "clk_m", "pll_e";
> +
> +		power-domains = <&bpmp TEGRA194_POWER_DOMAIN_XUSBC>,
> +				<&bpmp TEGRA194_POWER_DOMAIN_XUSBA>;
> +		power-domain-names = "xusb_host", "xusb_ss";
> +
> +		nvidia,xusb-padctl = <&xusb_padctl>;
> +		status = "disabled";
> +	};
>  };
> -- 
> 2.17.1
> 

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