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Message-ID: <20191002101102.GG3716706@ulmo>
Date: Wed, 2 Oct 2019 12:11:02 +0200
From: Thierry Reding <thierry.reding@...il.com>
To: JC Kuo <jckuo@...dia.com>
Cc: gregkh@...uxfoundation.org, jonathanh@...dia.com,
linux-tegra@...r.kernel.org, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
nkristam@...dia.com, skomatineni@...dia.com
Subject: Re: [PATCH 5/6] arm64: tegra: Add XUSB and pad controller on Tegra194
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@...dia.com>
> ---
> 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@...0000 {
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@...0000 {
> + 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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