| Message ID | 1408111410-14375-4-git-send-email-peter.griffin@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hello. On 08/15/2014 06:03 PM, Peter Griffin wrote: > This patch documents the device tree bindings required for the > ehci on-chip controller found in ST consumer electronics SoC's. > Signed-off-by: Peter Griffin <peter.griffin@linaro.org> > --- > Documentation/devicetree/bindings/usb/ehci-st.txt | 39 +++++++++++++++++++++++ > 1 file changed, 39 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/ehci-st.txt > diff --git a/Documentation/devicetree/bindings/usb/ehci-st.txt b/Documentation/devicetree/bindings/usb/ehci-st.txt > new file mode 100644 > index 0000000..fb45fa5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/ehci-st.txt > @@ -0,0 +1,39 @@ > +ST USB EHCI controller > + > +Required properties: > + - compatible : must be "st,st-ehci-300x" > + - reg : physical base addresses of the controller and length of memory mapped > + region > + - interrupts : one EHCI interrupt should be described here > + - pinctrl-names : a pinctrl state named "default" must be defined > + - pinctrl-0 : phandle referencing pin configuration of the USB controller > +See: Documentation/devicetree/bindings/pinctrl/pinctrl-binding.txt > + - clocks : phandle list of usb clocks > + - clock-names : should be "ic" for interconnect clock and "clk48" This sentence seems unfinished? > +See: Documentation/devicetree/bindings/clock/clock-bindings.txt > + > + - phys : phandle for the PHY device > + - phy-names : should be "usb" > + - resets : phandle + reset specifier pairs to the powerdown and softreset lines > + of the USB IP > + - reset-names : should be "power" and "softreset" > +See: Documentation/devicetree/bindings/reset/st,sti-powerdown.txt > +See: Documentation/devicetree/bindings/reset/reset.txt > + > +Example: > + > + ehci1: usb@0xfe203e00 { > + compatible = "st,st-ehci-300x"; > + reg = <0xfe203e00 0x100>; > + interrupts = <GIC_SPI 148 IRQ_TYPE_NONE>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usb1>; > + clocks = <&clk_s_a1_ls 0>; You said that "clock-names" is a required prop but you didn't specify it. > + phys = <&usb2_phy>; > + phy-names = "usb"; > + status = "okay"; Not necessary. > + > + resets = <&powerdown STIH416_USB1_POWERDOWN>, > + <&softreset STIH416_USB1_SOFTRESET>; > + reset-names = "power", "softreset"; > + }; WBR, Sergei
diff --git a/Documentation/devicetree/bindings/usb/ehci-st.txt b/Documentation/devicetree/bindings/usb/ehci-st.txt new file mode 100644 index 0000000..fb45fa5 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ehci-st.txt @@ -0,0 +1,39 @@ +ST USB EHCI controller + +Required properties: + - compatible : must be "st,st-ehci-300x" + - reg : physical base addresses of the controller and length of memory mapped + region + - interrupts : one EHCI interrupt should be described here + - pinctrl-names : a pinctrl state named "default" must be defined + - pinctrl-0 : phandle referencing pin configuration of the USB controller +See: Documentation/devicetree/bindings/pinctrl/pinctrl-binding.txt + - clocks : phandle list of usb clocks + - clock-names : should be "ic" for interconnect clock and "clk48" +See: Documentation/devicetree/bindings/clock/clock-bindings.txt + + - phys : phandle for the PHY device + - phy-names : should be "usb" + - resets : phandle + reset specifier pairs to the powerdown and softreset lines + of the USB IP + - reset-names : should be "power" and "softreset" +See: Documentation/devicetree/bindings/reset/st,sti-powerdown.txt +See: Documentation/devicetree/bindings/reset/reset.txt + +Example: + + ehci1: usb@0xfe203e00 { + compatible = "st,st-ehci-300x"; + reg = <0xfe203e00 0x100>; + interrupts = <GIC_SPI 148 IRQ_TYPE_NONE>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb1>; + clocks = <&clk_s_a1_ls 0>; + phys = <&usb2_phy>; + phy-names = "usb"; + status = "okay"; + + resets = <&powerdown STIH416_USB1_POWERDOWN>, + <&softreset STIH416_USB1_SOFTRESET>; + reset-names = "power", "softreset"; + };
This patch documents the device tree bindings required for the ehci on-chip controller found in ST consumer electronics SoC's. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- Documentation/devicetree/bindings/usb/ehci-st.txt | 39 +++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ehci-st.txt