diff options
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
4 files changed, 46 insertions, 23 deletions
diff --git a/Documentation/devicetree/bindings/usb/msm-hsusb.txt b/Documentation/devicetree/bindings/usb/msm-hsusb.txt new file mode 100644 index 0000000..5ea26c6 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/msm-hsusb.txt @@ -0,0 +1,17 @@ +MSM SoC HSUSB controllers + +EHCI + +Required properties: +- compatible: Should contain "qcom,ehci-host" +- regs: offset and length of the register set in the memory map +- usb-phy: phandle for the PHY device + +Example EHCI controller device node: + + ehci: ehci@f9a55000 { + compatible = "qcom,ehci-host"; + reg = <0xf9a55000 0x400>; + usb-phy = <&usb_otg>; + }; + diff --git a/Documentation/devicetree/bindings/usb/omap-usb.txt b/Documentation/devicetree/bindings/usb/omap-usb.txt index 9088ab0..090e5e2 100644 --- a/Documentation/devicetree/bindings/usb/omap-usb.txt +++ b/Documentation/devicetree/bindings/usb/omap-usb.txt @@ -3,9 +3,6 @@ OMAP GLUE AND OTHER OMAP SPECIFIC COMPONENTS OMAP MUSB GLUE - compatible : Should be "ti,omap4-musb" or "ti,omap3-musb" - ti,hwmods : must be "usb_otg_hs" - - ti,has-mailbox : to specify that omap uses an external mailbox - (in control module) to communicate with the musb core during device connect - and disconnect. - multipoint : Should be "1" indicating the musb controller supports multipoint. This is a MUSB configuration-specific setting. - num-eps : Specifies the number of endpoints. This is also a @@ -19,6 +16,9 @@ OMAP MUSB GLUE - power : Should be "50". This signifies the controller can supply up to 100mA when operating in host mode. - usb-phy : the phandle for the PHY device + - phys : the phandle for the PHY device (used by generic PHY framework) + - phy-names : the names of the PHY corresponding to the PHYs present in the + *phy* phandle. Optional properties: - ctrl-module : phandle of the control module this glue uses to write to @@ -28,11 +28,12 @@ SOC specific device node entry usb_otg_hs: usb_otg_hs@4a0ab000 { compatible = "ti,omap4-musb"; ti,hwmods = "usb_otg_hs"; - ti,has-mailbox; multipoint = <1>; num-eps = <16>; ram-bits = <12>; ctrl-module = <&omap_control_usb>; + phys = <&usb2_phy>; + phy-names = "usb2-phy"; }; Board specific device node entry @@ -78,22 +79,22 @@ omap_dwc3 { OMAP CONTROL USB Required properties: - - compatible: Should be "ti,omap-control-usb" + - compatible: Should be one of + "ti,control-phy-otghs" - if it has otghs_control mailbox register as on OMAP4. + "ti,control-phy-usb2" - if it has Power down bit in control_dev_conf register + e.g. USB2_PHY on OMAP5. + "ti,control-phy-pipe3" - if it has DPLL and individual Rx & Tx power control + e.g. USB3 PHY and SATA PHY on OMAP5. + "ti,control-phy-dra7usb2" - if it has power down register like USB2 PHY on + DRA7 platform. - reg : Address and length of the register set for the device. It contains - the address of "control_dev_conf" and "otghs_control" or "phy_power_usb" - depending upon omap4 or omap5. - - reg-names: The names of the register addresses corresponding to the registers - filled in "reg". - - ti,type: This is used to differentiate whether the control module has - usb mailbox or usb3 phy power. omap4 has usb mailbox in control module to - notify events to the musb core and omap5 has usb3 phy power register to - power on usb3 phy. Should be "1" if it has mailbox and "2" if it has usb3 - phy power. + the address of "otghs_control" for control-phy-otghs or "power" register + for other types. + - reg-names: should be "otghs_control" control-phy-otghs and "power" for + other types. omap_control_usb: omap-control-usb@4a002300 { - compatible = "ti,omap-control-usb"; - reg = <0x4a002300 0x4>, - <0x4a00233c 0x4>; - reg-names = "control_dev_conf", "otghs_control"; - ti,type = <1>; + compatible = "ti,control-phy-otghs"; + reg = <0x4a00233c 0x4>; + reg-names = "otghs_control"; }; diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt index d7e2726..1bd37fa 100644 --- a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt +++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt @@ -15,7 +15,7 @@ Optional properties: - vcc-supply: phandle to the regulator that provides RESET to the PHY. -- reset-supply: phandle to the regulator that provides power to the PHY. +- reset-gpios: Should specify the GPIO for reset. Example: @@ -25,10 +25,9 @@ Example: clocks = <&osc 0>; clock-names = "main_clk"; vcc-supply = <&hsusb1_vcc_regulator>; - reset-supply = <&hsusb1_reset_regulator>; + reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; }; hsusb1_phy is a NOP USB PHY device that gets its clock from an oscillator and expects that clock to be configured to 19.2MHz by the NOP PHY driver. -hsusb1_vcc_regulator provides power to the PHY and hsusb1_reset_regulator -controls RESET. +hsusb1_vcc_regulator provides power to the PHY and GPIO 7 controls RESET. diff --git a/Documentation/devicetree/bindings/usb/usb-phy.txt b/Documentation/devicetree/bindings/usb/usb-phy.txt index 61496f5..c0245c8 100644 --- a/Documentation/devicetree/bindings/usb/usb-phy.txt +++ b/Documentation/devicetree/bindings/usb/usb-phy.txt @@ -5,6 +5,8 @@ OMAP USB2 PHY Required properties: - compatible: Should be "ti,omap-usb2" - reg : Address and length of the register set for the device. + - #phy-cells: determine the number of cells that should be given in the + phandle while referencing this phy. Optional properties: - ctrl-module : phandle of the control module used by PHY driver to power on @@ -16,6 +18,7 @@ usb2phy@4a0ad080 { compatible = "ti,omap-usb2"; reg = <0x4a0ad080 0x58>; ctrl-module = <&omap_control_usb>; + #phy-cells = <0>; }; OMAP USB3 PHY @@ -25,6 +28,8 @@ Required properties: - reg : Address and length of the register set for the device. - reg-names: The names of the register addresses corresponding to the registers filled in "reg". + - #phy-cells: determine the number of cells that should be given in the + phandle while referencing this phy. Optional properties: - ctrl-module : phandle of the control module used by PHY driver to power on @@ -39,4 +44,5 @@ usb3phy@4a084400 { <0x4a084c00 0x40>; reg-names = "phy_rx", "phy_tx", "pll_ctrl"; ctrl-module = <&omap_control_usb>; + #phy-cells = <0>; }; |
