From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- Documentation/devicetree/bindings/usb/ehci-st.txt | 38 +++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ehci-st.txt (limited to '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 000000000..d6f2bdee2 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ehci-st.txt @@ -0,0 +1,38 @@ +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-bindings.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,stih407-powerdown.yaml +See: Documentation/devicetree/bindings/reset/reset.txt + +Example: + + ehci1: usb@fe203e00 { + compatible = "st,st-ehci-300x"; + reg = <0xfe203e00 0x100>; + interrupts = ; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb1>; + clocks = <&clk_s_a1_ls 0>; + phys = <&usb2_phy>; + phy-names = "usb"; + + resets = <&powerdown STIH416_USB1_POWERDOWN>, + <&softreset STIH416_USB1_SOFTRESET>; + reset-names = "power", "softreset"; + }; -- cgit v1.2.3