| Message ID | 1541772120-40394-2-git-send-email-alcooperx@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add XHCI, EHCI and OHCI support for Broadcom STB SoS's | expand |
On Fri, 9 Nov 2018 09:01:56 -0500, Al Cooper wrote: > Add DT bindings for Broadcom STB USB EHCI and XHCI drivers. > Add "phy-supplies-usb-clock" property description to usb-hcd.txt > > NOTE: The OHCI driver is not included because it uses the generic > platform driver. > > Signed-off-by: Al Cooper <alcooperx@gmail.com> > --- > .../devicetree/bindings/usb/brcm,bcm7445-ehci.txt | 24 ++++++++++++++++++++++ > Documentation/devicetree/bindings/usb/usb-hcd.txt | 3 +++ > Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 + > 3 files changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.txt > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.txt b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.txt new file mode 100644 index 000000000000..4dea956f2705 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.txt @@ -0,0 +1,24 @@ +Broadcom STB USB EHCI controller + +Required properties: +- compatible: should be "brcm,bcm7445-ehci" +- reg: should contain one register range i.e. start and length +- interrupts: description of the interrupt line +- phys: phandle + phy specifier pair + The specifier should be 0 for the OHCI/EHCI PHY +- phy-supplies-usb-clock: See usb-hcd.txt for details. + +Optional properties: +- clocks: A phandle for the EHCI clock + +Example: + +ehci@f0b00300 { + compatible = "brcm,bcm7445-ehci"; + reg = <0xf0b00300 0xa8>; + interrupts = <0x0 0x5a 0x0>; + interrupt-names = "usb0_ehci_0"; + phys = <&usbphy_0 0x0>; + clocks = <&usb20>; + phy-supplies-usb-clock; +}; diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.txt b/Documentation/devicetree/bindings/usb/usb-hcd.txt index 50529b838c9c..6b4755924b15 100644 --- a/Documentation/devicetree/bindings/usb/usb-hcd.txt +++ b/Documentation/devicetree/bindings/usb/usb-hcd.txt @@ -2,6 +2,9 @@ Generic USB HCD (Host Controller Device) Properties Optional properties: - phys: a list of all USB PHYs on this HCD +- phy-supplies-usb-clock: boolean, used for SoCs where the PHY supplies + the usb controller clock. This will prevent the PHY exit from being + called on suspend. Example: &usb1 { diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt index fea8b1545751..f58e617ee54c 100644 --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt @@ -21,6 +21,7 @@ Required properties: device - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 or RZ/G2 compatible device + - "brcm,bcm7445-xhci" for Broadcom STB SoCs - "xhci-platform" (deprecated) When compatible with the generic version, nodes must list the
Add DT bindings for Broadcom STB USB EHCI and XHCI drivers. Add "phy-supplies-usb-clock" property description to usb-hcd.txt NOTE: The OHCI driver is not included because it uses the generic platform driver. Signed-off-by: Al Cooper <alcooperx@gmail.com> --- .../devicetree/bindings/usb/brcm,bcm7445-ehci.txt | 24 ++++++++++++++++++++++ Documentation/devicetree/bindings/usb/usb-hcd.txt | 3 +++ Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 + 3 files changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/brcm,bcm7445-ehci.txt