[PATCH v12 1/3] dt-bindings: Add a binding for Mediatek xHCI host controller
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Tue Nov 17 02:58:35 PST 2015
Hello.
On 11/17/2015 12:18 PM, Chunfeng Yun wrote:
> add a DT binding documentation of xHCI host controller for the
> MT8173 SoC from Mediatek.
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> ---
> .../devicetree/bindings/usb/mt8173-xhci.txt | 51 ++++++++++++++++++++++
> 1 file changed, 51 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> new file mode 100644
> index 0000000..a78f20b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> @@ -0,0 +1,51 @@
> +MT8173 xHCI
> +
> +The device node for Mediatek SOC USB3.0 host controller
> +
> +Required properties:
> + - compatible : should contain "mediatek,mt8173-xhci"
> + - reg : specifies physical base address and size of the registers,
> + the first one for MAC, the second for IPPC
> + - interrupts : interrupt used by the controller
> + - power-domains : a phandle to USB power domain node to control USB's
> + mtcmos
What's that?
> + - vusb33-supply : regulator of USB avdd3.3v
> +
> + - clocks : a list of phandle + clock-specifier pairs, one for each
> + entry in clock-names
> + - clock-names : must contain
> + "sys_ck": for clock of xHCI MAC
> + "wakeup_deb_p0": for USB wakeup debounce clock of port0
> + "wakeup_deb_p0": for USB wakeup debounce clock of port1
"wakeup_deb_p1"?
> +
> + - phys : a list of phandle + phy specifier pairs
> +
> +Optional properties:
> + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup
^^ IP?
> + mode;
> + - mediatek,syscon-wakeup : phandle to syscon used to access USB wakeup
> + control register, it depends on "mediatek,wakeup-src".
> + - vbus-supply : reference to the VBUS regulator;
> + - usb3-lpm-capable : supports USB3.0 LPM
[...]
MBR, Sergei
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