diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
7 files changed, 220 insertions, 25 deletions
diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt index 60bd2150a3e6..55f51af08bc7 100644 --- a/Documentation/devicetree/bindings/usb/atmel-usb.txt +++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt @@ -47,3 +47,85 @@ usb1: gadget@fffa4000 { interrupts = <10 4>; atmel,vbus-gpio = <&pioC 5 0>; }; + +Atmel High-Speed USB device controller + +Required properties: + - compatible: Should be "atmel,at91sam9rl-udc" + - reg: Address and length of the register set for the device + - interrupts: Should contain usba interrupt + - ep childnode: To specify the number of endpoints and their properties. + +Optional properties: + - atmel,vbus-gpio: If present, specifies a gpio that needs to be + activated for the bus to be powered. + +Required child node properties: + - name: Name of the endpoint. + - reg: Num of the endpoint. + - atmel,fifo-size: Size of the fifo. + - atmel,nb-banks: Number of banks. + - atmel,can-dma: Boolean to specify if the endpoint support DMA. + - atmel,can-isoc: Boolean to specify if the endpoint support ISOC. + +usb2: gadget@fff78000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "atmel,at91sam9rl-udc"; + reg = <0x00600000 0x80000 + 0xfff78000 0x400>; + interrupts = <27 4 0>; + atmel,vbus-gpio = <&pioB 19 0>; + + ep0 { + reg = <0>; + atmel,fifo-size = <64>; + atmel,nb-banks = <1>; + }; + + ep1 { + reg = <1>; + atmel,fifo-size = <1024>; + atmel,nb-banks = <2>; + atmel,can-dma; + atmel,can-isoc; + }; + + ep2 { + reg = <2>; + atmel,fifo-size = <1024>; + atmel,nb-banks = <2>; + atmel,can-dma; + atmel,can-isoc; + }; + + ep3 { + reg = <3>; + atmel,fifo-size = <1024>; + atmel,nb-banks = <3>; + atmel,can-dma; + }; + + ep4 { + reg = <4>; + atmel,fifo-size = <1024>; + atmel,nb-banks = <3>; + atmel,can-dma; + }; + + ep5 { + reg = <5>; + atmel,fifo-size = <1024>; + atmel,nb-banks = <3>; + atmel,can-dma; + atmel,can-isoc; + }; + + ep6 { + reg = <6>; + atmel,fifo-size = <1024>; + atmel,nb-banks = <3>; + atmel,can-dma; + atmel,can-isoc; + }; +}; diff --git a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt index 1c04a4c9515f..b4b5b7906c88 100644 --- a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt +++ b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt @@ -5,6 +5,12 @@ Required properties: - reg: Should contain registers location and length - interrupts: Should contain controller interrupt +Recommended properies: +- phy_type: the type of the phy connected to the core. Should be one + of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this + property the PORTSC register won't be touched +- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg" + Optional properties: - fsl,usbphy: phandler of usb phy that connects to the only one port - fsl,usbmisc: phandler of non-core register device, with one argument diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt index b3abde736017..d967ba16de60 100644 --- a/Documentation/devicetree/bindings/usb/exynos-usb.txt +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt @@ -48,3 +48,37 @@ Example: clocks = <&clock 285>; clock-names = "usbhost"; }; + +DWC3 +Required properties: + - compatible: should be "samsung,exynos5250-dwusb3" for USB 3.0 DWC3 + controller. + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - ranges: allows valid 1:1 translation between child's address space and + parent's address space + - clocks: Clock IDs array as required by the controller. + - clock-names: names of clocks correseponding to IDs in the clock property + +Sub-nodes: +The dwc3 core should be added as subnode to Exynos dwc3 glue. +- dwc3 : + The binding details of dwc3 can be found in: + Documentation/devicetree/bindings/usb/dwc3.txt + +Example: + usb@12000000 { + compatible = "samsung,exynos5250-dwusb3"; + clocks = <&clock 286>; + clock-names = "usbdrd30"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dwc3 { + compatible = "synopsys,dwc3"; + reg = <0x12000000 0x10000>; + interrupts = <0 72 0>; + usb-phy = <&usb2_phy &usb3_phy>; + }; + }; diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt index 34c952883276..df0933043a5b 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-ehci.txt @@ -6,27 +6,10 @@ Practice : Universal Serial Bus" with the following modifications and additions : Required properties : - - compatible : Should be "nvidia,tegra20-ehci" for USB controllers - used in host mode. - - phy_type : Should be one of "ulpi" or "utmi". - - nvidia,vbus-gpio : If present, specifies a gpio that needs to be - activated for the bus to be powered. - - nvidia,phy : phandle of the PHY instance, the controller is connected to. - -Required properties for phy_type == ulpi: - - nvidia,phy-reset-gpio : The GPIO used to reset the PHY. + - compatible : Should be "nvidia,tegra20-ehci". + - nvidia,phy : phandle of the PHY that the controller is connected to. + - clocks : Contains a single entry which defines the USB controller's clock. Optional properties: - - dr_mode : dual role mode. Indicates the working mode for - nvidia,tegra20-ehci compatible controllers. Can be "host", "peripheral", - or "otg". Default to "host" if not defined for backward compatibility. - host means this is a host controller - peripheral means it is device controller - otg means it can operate as either ("on the go") - - nvidia,has-legacy-mode : boolean indicates whether this controller can - operate in legacy mode (as APX 2500 / 2600). In legacy mode some - registers are accessed through the APB_MISC base address instead of - the USB controller. Since this is a legacy issue it probably does not - warrant a compatible string of its own. - - nvidia,needs-double-reset : boolean is to be set for some of the Tegra2 - USB ports, which need reset twice due to hardware issues. + - nvidia,needs-double-reset : boolean is to be set for some of the Tegra20 + USB ports, which need reset twice due to hardware issues. diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt index 6bdaba2f0aa1..c4c9e9e664aa 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra20-usb-phy.txt @@ -4,14 +4,49 @@ The device node for Tegra SOC USB PHY: Required properties : - compatible : Should be "nvidia,tegra20-usb-phy". - - reg : Address and length of the register set for the USB PHY interface. - - phy_type : Should be one of "ulpi" or "utmi". + - reg : Defines the following set of registers, in the order listed: + - The PHY's own register set. + Always present. + - The register set of the PHY containing the UTMI pad control registers. + Present if-and-only-if phy_type == utmi. + - phy_type : Should be one of "utmi", "ulpi" or "hsic". + - clocks : Defines the clocks listed in the clock-names property. + - clock-names : The following clock names must be present: + - reg: The clock needed to access the PHY's own registers. This is the + associated EHCI controller's clock. Always present. + - pll_u: PLL_U. Always present. + - timer: The timeout clock (clk_m). Present if phy_type == utmi. + - utmi-pads: The clock needed to access the UTMI pad control registers. + Present if phy_type == utmi. + - ulpi-link: The clock Tegra provides to the ULPI PHY (cdev2). + Present if phy_type == ulpi, and ULPI link mode is in use. Required properties for phy_type == ulpi: - nvidia,phy-reset-gpio : The GPIO used to reset the PHY. +Required PHY timing params for utmi phy: + - nvidia,hssync-start-delay : Number of 480 Mhz clock cycles to wait before + start of sync launches RxActive + - nvidia,elastic-limit : Variable FIFO Depth of elastic input store + - nvidia,idle-wait-delay : Number of 480 Mhz clock cycles of idle to wait + before declare IDLE. + - nvidia,term-range-adj : Range adjusment on terminations + - nvidia,xcvr-setup : HS driver output control + - nvidia,xcvr-lsfslew : LS falling slew rate control. + - nvidia,xcvr-lsrslew : LS rising slew rate control. + Optional properties: - nvidia,has-legacy-mode : boolean indicates whether this controller can operate in legacy mode (as APX 2500 / 2600). In legacy mode some registers are accessed through the APB_MISC base address instead of - the USB controller.
\ No newline at end of file + the USB controller. + - nvidia,is-wired : boolean. Indicates whether we can do certain kind of power + optimizations for the devices that are always connected. e.g. modem. + - dr_mode : dual role mode. Indicates the working mode for the PHY. Can be + "host", "peripheral", or "otg". Defaults to "host" if not defined. + host means this is a host controller + peripheral means it is device controller + otg means it can operate as either ("on the go") + +Required properties for dr_mode == otg: + - vbus-supply: regulator for VBUS diff --git a/Documentation/devicetree/bindings/usb/usb3503.txt b/Documentation/devicetree/bindings/usb/usb3503.txt index 6813a715fc7d..8c5be48b43c8 100644 --- a/Documentation/devicetree/bindings/usb/usb3503.txt +++ b/Documentation/devicetree/bindings/usb/usb3503.txt @@ -4,6 +4,10 @@ Required properties: - compatible: Should be "smsc,usb3503". - reg: Specifies the i2c slave address, it should be 0x08. - connect-gpios: Should specify GPIO for connect. +- disabled-ports: Should specify the ports unused. + '1' or '2' or '3' are availe for this property to describe the port + number. 1~3 property values are possible to be desribed. + Do not describe this property if all ports have to be enabled. - intn-gpios: Should specify GPIO for interrupt. - reset-gpios: Should specify GPIO for reset. - initial-mode: Should specify initial mode. @@ -14,6 +18,7 @@ Examples: compatible = "smsc,usb3503"; reg = <0x08>; connect-gpios = <&gpx3 0 1>; + disabled-ports = <2 3>; intn-gpios = <&gpx3 4 1>; reset-gpios = <&gpx3 5 1>; initial-mode = <1>; diff --git a/Documentation/devicetree/bindings/usb/ux500-usb.txt b/Documentation/devicetree/bindings/usb/ux500-usb.txt new file mode 100644 index 000000000000..330d6ec15401 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ux500-usb.txt @@ -0,0 +1,50 @@ +Ux500 MUSB + +Required properties: + - compatible : Should be "stericsson,db8500-musb" + - reg : Offset and length of registers + - interrupts : Interrupt; mode, number and trigger + - dr_mode : Dual-role; either host mode "host", peripheral mode "peripheral" + or both "otg" + +Optional properties: + - dmas : A list of dma channels; + dma-controller, event-line, fixed-channel, flags + - dma-names : An ordered list of channel names affiliated to the above + +Example: + +usb_per5@a03e0000 { + compatible = "stericsson,db8500-musb", "mentor,musb"; + reg = <0xa03e0000 0x10000>; + interrupts = <0 23 0x4>; + interrupt-names = "mc"; + + dr_mode = "otg"; + + dmas = <&dma 38 0 0x2>, /* Logical - DevToMem */ + <&dma 38 0 0x0>, /* Logical - MemToDev */ + <&dma 37 0 0x2>, /* Logical - DevToMem */ + <&dma 37 0 0x0>, /* Logical - MemToDev */ + <&dma 36 0 0x2>, /* Logical - DevToMem */ + <&dma 36 0 0x0>, /* Logical - MemToDev */ + <&dma 19 0 0x2>, /* Logical - DevToMem */ + <&dma 19 0 0x0>, /* Logical - MemToDev */ + <&dma 18 0 0x2>, /* Logical - DevToMem */ + <&dma 18 0 0x0>, /* Logical - MemToDev */ + <&dma 17 0 0x2>, /* Logical - DevToMem */ + <&dma 17 0 0x0>, /* Logical - MemToDev */ + <&dma 16 0 0x2>, /* Logical - DevToMem */ + <&dma 16 0 0x0>, /* Logical - MemToDev */ + <&dma 39 0 0x2>, /* Logical - DevToMem */ + <&dma 39 0 0x0>; /* Logical - MemToDev */ + + dma-names = "iep_1_9", "oep_1_9", + "iep_2_10", "oep_2_10", + "iep_3_11", "oep_3_11", + "iep_4_12", "oep_4_12", + "iep_5_13", "oep_5_13", + "iep_6_14", "oep_6_14", + "iep_7_15", "oep_7_15", + "iep_8", "oep_8"; +}; |