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Diffstat (limited to 'Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.yaml')
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1 files changed, 200 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.yaml new file mode 100644 index 000000000000..d6ca8c93073d --- /dev/null +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.yaml @@ -0,0 +1,200 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/nvidia,tegra124-xusb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra124 xHCI controller + +maintainers: + - Thierry Reding <thierry.reding@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + +description: The Tegra xHCI controller supports both USB2 and USB3 interfaces + exposed by the Tegra XUSB pad controller. + +properties: + # required + compatible: + oneOf: + - description: NVIDIA Tegra124 + const: nvidia,tegra124-xusb + + - description: NVIDIA Tegra132 + items: + - const: nvidia,tegra132-xusb + - const: nvidia,tegra124-xusb + + reg: + items: + - description: base and length of the xHCI host registers + - description: base and length of the XUSB FPCI registers + - description: base and length of the XUSB IPFS registers + + reg-names: + items: + - const: hcd + - const: fpci + - const: ipfs + + interrupts: + items: + - description: xHCI host interrupt + - description: mailbox interrupt + + clocks: + items: + - description: XUSB host clock + - description: XUSB host source clock + - description: XUSB Falcon source clock + - description: XUSB SuperSpeed clock + - description: XUSB SuperSpeed clock divider + - description: XUSB SuperSpeed source clock + - description: XUSB HighSpeed clock source + - description: XUSB FullSpeed clock source + - description: USB PLL + - description: reference clock + - description: I/O PLL + + clock-names: + items: + - const: xusb_host + - const: xusb_host_src + - const: xusb_falcon_src + - const: xusb_ss + - const: xusb_ss_div2 + - const: xusb_ss_src + - const: xusb_hs_src + - const: xusb_fs_src + - const: pll_u_480m + - const: clk_m + - const: pll_e + + resets: + items: + - description: reset for the XUSB host controller + - description: reset for the SuperSpeed logic + - description: shared reset for xusb_{ss,hs,fs,falcon,host}_src. + + reset-names: + items: + - const: xusb_host + - const: xusb_ss + - const: xusb_src + + nvidia,xusb-padctl: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the XUSB pad controller that is used to configure + the USB pads used by the XHCI controller + + # optional + phys: + minItems: 1 + maxItems: 7 + + phy-names: + minItems: 1 + maxItems: 7 + items: + enum: + - usb2-0 + - usb2-1 + - usb2-2 + - hsic-0 + - hsic-1 + - usb3-0 + - usb3-1 + + avddio-pex-supply: + description: PCIe/USB3 analog logic power supply. Must supply 1.05 V. + + dvddio-pex-supply: + description: PCIe/USB3 digital logic power supply. Must supply 1.05 V. + + avdd-usb-supply: + description: USB controller power supply. Must supply 3.3 V. + + avdd-pll-utmip-supply: + description: UTMI PLL power supply. Must supply 1.8 V. + + avdd-pll-erefe-supply: + description: PLLE reference PLL power supply. Must supply 1.05 V. + + avdd-usb-ss-pll-supply: + description: PCIe/USB3 PLL power supply. Must supply 1.05 V. + + hvdd-usb-ss-supply: + description: High-voltage PCIe/USB3 power supply. Must supply 3.3 V. + + hvdd-usb-ss-pll-e-supply: + description: High-voltage PLLE power supply. Must supply 3.3 V. + +allOf: + - $ref: usb-xhci.yaml + +unevaluatedProperties: false + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + - clock-names + - resets + - reset-names + - nvidia,xusb-padctl + - phys + - phy-names + - avddio-pex-supply + - dvddio-pex-supply + - avdd-usb-supply + - hvdd-usb-ss-supply + +examples: + - | + #include <dt-bindings/clock/tegra124-car.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + usb@70090000 { + compatible = "nvidia,tegra124-xusb"; + reg = <0x70090000 0x8000>, + <0x70098000 0x1000>, + <0x70099000 0x1000>; + reg-names = "hcd", "fpci", "ipfs"; + + interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; + + clocks = <&tegra_car TEGRA124_CLK_XUSB_HOST>, + <&tegra_car TEGRA124_CLK_XUSB_HOST_SRC>, + <&tegra_car TEGRA124_CLK_XUSB_FALCON_SRC>, + <&tegra_car TEGRA124_CLK_XUSB_SS>, + <&tegra_car TEGRA124_CLK_XUSB_SS_DIV2>, + <&tegra_car TEGRA124_CLK_XUSB_SS_SRC>, + <&tegra_car TEGRA124_CLK_XUSB_HS_SRC>, + <&tegra_car TEGRA124_CLK_XUSB_FS_SRC>, + <&tegra_car TEGRA124_CLK_PLL_U_480M>, + <&tegra_car TEGRA124_CLK_CLK_M>, + <&tegra_car TEGRA124_CLK_PLL_E>; + clock-names = "xusb_host", "xusb_host_src", "xusb_falcon_src", + "xusb_ss", "xusb_ss_div2", "xusb_ss_src", + "xusb_hs_src", "xusb_fs_src", "pll_u_480m", + "clk_m", "pll_e"; + resets = <&tegra_car 89>, <&tegra_car 156>, <&tegra_car 143>; + reset-names = "xusb_host", "xusb_ss", "xusb_src"; + + nvidia,xusb-padctl = <&padctl>; + + phys = <&phy_usb2_1>, <&phy_usb2_2>, <&phy_pcie_0>; + phy-names = "usb2-1", "usb2-2", "usb3-0"; + + avddio-pex-supply = <&vdd_1v05_run>; + dvddio-pex-supply = <&vdd_1v05_run>; + avdd-usb-supply = <&vdd_3v3_lp0>; + avdd-pll-utmip-supply = <&vddio_1v8>; + avdd-pll-erefe-supply = <&avdd_1v05_run>; + avdd-usb-ss-pll-supply = <&vdd_1v05_run>; + hvdd-usb-ss-supply = <&vdd_3v3_lp0>; + hvdd-usb-ss-pll-e-supply = <&vdd_3v3_lp0>; + }; |