diff options
Diffstat (limited to 'dts/Bindings/usb')
| -rw-r--r-- | dts/Bindings/usb/amlogic,dwc3.txt | 42 | ||||
| -rw-r--r-- | dts/Bindings/usb/dwc3.txt | 16 | ||||
| -rw-r--r-- | dts/Bindings/usb/mediatek,mtk-xhci.txt | 5 | ||||
| -rw-r--r-- | dts/Bindings/usb/mediatek,mtu3.txt | 5 | ||||
| -rw-r--r-- | dts/Bindings/usb/usb-ehci.txt | 6 | ||||
| -rw-r--r-- | dts/Bindings/usb/usb-hcd.txt | 9 | ||||
| -rw-r--r-- | dts/Bindings/usb/usb-ohci.txt | 6 | ||||
| -rw-r--r-- | dts/Bindings/usb/usb-uhci.txt | 3 | ||||
| -rw-r--r-- | dts/Bindings/usb/usb-xhci.txt | 5 |
9 files changed, 91 insertions, 6 deletions
diff --git a/dts/Bindings/usb/amlogic,dwc3.txt b/dts/Bindings/usb/amlogic,dwc3.txt new file mode 100644 index 0000000000..9a8b631904 --- /dev/null +++ b/dts/Bindings/usb/amlogic,dwc3.txt @@ -0,0 +1,42 @@ +Amlogic Meson GX DWC3 USB SoC controller + +Required properties: +- compatible: depending on the SoC this should contain one of: + * amlogic,meson-axg-dwc3 + * amlogic,meson-gxl-dwc3 +- clocks: a handle for the "USB general" clock +- clock-names: must be "usb_general" +- resets: a handle for the shared "USB OTG" reset line +- reset-names: must be "usb_otg" + +Required child node: +A child node must exist to represent the core DWC3 IP block. The name of +the node is not important. The content of the node is defined in dwc3.txt. + +PHY documentation is provided in the following places: +- Documentation/devicetree/bindings/phy/meson-gxl-usb2-phy.txt +- Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt + +Example device nodes: + usb0: usb@ff500000 { + compatible = "amlogic,meson-axg-dwc3"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks = <&clkc CLKID_USB>; + clock-names = "usb_general"; + resets = <&reset RESET_USB_OTG>; + reset-names = "usb_otg"; + + dwc3: dwc3@ff500000 { + compatible = "snps,dwc3"; + reg = <0x0 0xff500000 0x0 0x100000>; + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + dr_mode = "host"; + maximum-speed = "high-speed"; + snps,dis_u2_susphy_quirk; + phys = <&usb3_phy>, <&usb2_phy0>; + phy-names = "usb2-phy", "usb3-phy"; + }; + }; diff --git a/dts/Bindings/usb/dwc3.txt b/dts/Bindings/usb/dwc3.txt index 44e8bab159..0dbd3083e7 100644 --- a/dts/Bindings/usb/dwc3.txt +++ b/dts/Bindings/usb/dwc3.txt @@ -57,6 +57,22 @@ Optional properties: - snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ register for post-silicon frame length adjustment when the fladj_30mhz_sdbnd signal is invalid or incorrect. + - snps,rx-thr-num-pkt-prd: periodic ESS RX packet threshold count - host mode + only. Set this and rx-max-burst-prd to a valid, + non-zero value 1-16 (DWC_usb31 programming guide + section 1.2.4) to enable periodic ESS RX threshold. + - snps,rx-max-burst-prd: max periodic ESS RX burst size - host mode only. Set + this and rx-thr-num-pkt-prd to a valid, non-zero value + 1-16 (DWC_usb31 programming guide section 1.2.4) to + enable periodic ESS RX threshold. + - snps,tx-thr-num-pkt-prd: periodic ESS TX packet threshold count - host mode + only. Set this and tx-max-burst-prd to a valid, + non-zero value 1-16 (DWC_usb31 programming guide + section 1.2.3) to enable periodic ESS TX threshold. + - snps,tx-max-burst-prd: max periodic ESS TX burst size - host mode only. Set + this and tx-thr-num-pkt-prd to a valid, non-zero value + 1-16 (DWC_usb31 programming guide section 1.2.3) to + enable periodic ESS TX threshold. - <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated. diff --git a/dts/Bindings/usb/mediatek,mtk-xhci.txt b/dts/Bindings/usb/mediatek,mtk-xhci.txt index 88d9f4a4b2..266c2d917a 100644 --- a/dts/Bindings/usb/mediatek,mtk-xhci.txt +++ b/dts/Bindings/usb/mediatek,mtk-xhci.txt @@ -32,7 +32,7 @@ Required properties: "mcu_ck": mcu_bus clock for register access, "dma_ck": dma_bus clock for data transfer by DMA - - phys : a list of phandle + phy specifier pairs + - phys : see usb-hcd.txt in the current directory Optional properties: - wakeup-source : enable USB remote wakeup; @@ -52,6 +52,9 @@ Optional properties: See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt - imod-interval-ns: default interrupt moderation interval is 5000ns +additionally the properties from usb-hcd.txt (in the current directory) are +supported. + Example: usb30: usb@11270000 { compatible = "mediatek,mt8173-xhci"; diff --git a/dts/Bindings/usb/mediatek,mtu3.txt b/dts/Bindings/usb/mediatek,mtu3.txt index d589a1ef96..3382b5cb47 100644 --- a/dts/Bindings/usb/mediatek,mtu3.txt +++ b/dts/Bindings/usb/mediatek,mtu3.txt @@ -17,7 +17,7 @@ Required properties: - clock-names : must contain "sys_ck" for clock of controller, the following clocks are optional: "ref_ck", "mcu_ck" and "dam_ck"; - - phys : a list of phandle + phy specifier pairs + - phys : see usb-hcd.txt in the current directory - dr_mode : should be one of "host", "peripheral" or "otg", refer to usb/generic.txt @@ -53,6 +53,9 @@ Optional properties: - mediatek,u3p-dis-msk : mask to disable u3ports, bit0 for u3port0, bit1 for u3port1, ... etc; +additionally the properties from usb-hcd.txt (in the current directory) are +supported. + Sub-nodes: The xhci should be added as subnode to mtu3 as shown in the following example if host mode is enabled. The DT binding details of xhci can be found in: diff --git a/dts/Bindings/usb/usb-ehci.txt b/dts/Bindings/usb/usb-ehci.txt index 3efde12b5d..0f1b753862 100644 --- a/dts/Bindings/usb/usb-ehci.txt +++ b/dts/Bindings/usb/usb-ehci.txt @@ -16,10 +16,12 @@ Optional properties: - has-transaction-translator : boolean, set this if EHCI have a Transaction Translator built into the root hub. - clocks : a list of phandle + clock specifier pairs - - phys : phandle + phy specifier pair - - phy-names : "usb" + - phys : see usb-hcd.txt in the current directory - resets : phandle + reset specifier pair +additionally the properties from usb-hcd.txt (in the current directory) are +supported. + Example (Sequoia 440EPx): ehci@e0000300 { compatible = "ibm,usb-ehci-440epx", "usb-ehci"; diff --git a/dts/Bindings/usb/usb-hcd.txt b/dts/Bindings/usb/usb-hcd.txt new file mode 100644 index 0000000000..50529b838c --- /dev/null +++ b/dts/Bindings/usb/usb-hcd.txt @@ -0,0 +1,9 @@ +Generic USB HCD (Host Controller Device) Properties + +Optional properties: +- phys: a list of all USB PHYs on this HCD + +Example: + &usb1 { + phys = <&usb2_phy1>, <&usb3_phy1>; + }; diff --git a/dts/Bindings/usb/usb-ohci.txt b/dts/Bindings/usb/usb-ohci.txt index 09e70c875b..a8d2103d1f 100644 --- a/dts/Bindings/usb/usb-ohci.txt +++ b/dts/Bindings/usb/usb-ohci.txt @@ -13,10 +13,12 @@ Optional properties: - remote-wakeup-connected: remote wakeup is wired on the platform - num-ports : u32, to override the detected port count - clocks : a list of phandle + clock specifier pairs -- phys : phandle + phy specifier pair -- phy-names : "usb" +- phys : see usb-hcd.txt in the current directory - resets : a list of phandle + reset specifier pairs +additionally the properties from usb-hcd.txt (in the current directory) are +supported. + Example: ohci0: usb@1c14400 { diff --git a/dts/Bindings/usb/usb-uhci.txt b/dts/Bindings/usb/usb-uhci.txt index 298133416c..cc2e6f7d60 100644 --- a/dts/Bindings/usb/usb-uhci.txt +++ b/dts/Bindings/usb/usb-uhci.txt @@ -6,6 +6,9 @@ Required properties: - reg : Should contain 1 register ranges(address and length) - interrupts : UHCI controller interrupt +additionally the properties from usb-hcd.txt (in the current directory) are +supported. + Example: uhci@d8007b00 { diff --git a/dts/Bindings/usb/usb-xhci.txt b/dts/Bindings/usb/usb-xhci.txt index 1651483a70..c4c00dff4b 100644 --- a/dts/Bindings/usb/usb-xhci.txt +++ b/dts/Bindings/usb/usb-xhci.txt @@ -33,6 +33,11 @@ Optional properties: - usb3-lpm-capable: determines if platform is USB3 LPM capable - quirk-broken-port-ped: set if the controller has broken port disable mechanism - imod-interval-ns: default interrupt moderation interval is 5000ns + - phys : see usb-hcd.txt in the current directory + +additionally the properties from usb-hcd.txt (in the current directory) are +supported. + Example: usb@f0931000 { |