[PATCH v2 1/5] dt-bindings: Add usb3.0 phy binding for MT65xx SoCs
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2015-07-08 09:41:37
Also in:
linux-arm-kernel, linux-mediatek, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
add a DT binding documentation of usb3.0 phy for MT65xx SoCs from Mediatek. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- .../devicetree/bindings/usb/mt65xx-u3phy.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt
diff --git a/Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt b/Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt
new file mode 100644
index 0000000..056b2aa
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mt65xx-u3phy.txt@@ -0,0 +1,34 @@ +MT65xx U3PHY + +The device node for Mediatek SOC usb3.0 phy + +Required properties: + - compatible : Should be "mediatek,mt8173-u3phy" + - reg : Offset and length of registers, the first is for mac domain, + another for phy domain + - power-domains: to enable usb's mtcmos + - usb-wakeup-ctrl : to access usb wakeup control register + - wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup mode; others + means don't enable wakeup source of usb + - u2port-num : number of usb2.0 ports to support which should be 1 or 2 + - clocks : must support all clocks that phy need + - clock-names: should be "wakeup_deb_p0", "wakeup_deb_p1" for wakeup + debounce control clocks, and "u3phya_ref" for u3phya reference clock. + +Example: + +u3phy: usb-phy@11271000 { + compatible = "mediatek,mt8173-u3phy"; + reg = <0 0x11271000 0 0x3000>, + <0 0x11280000 0 0x20000>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>; + usb-wakeup-ctrl = <&pericfg>; + wakeup-src = <1>; + u2port-num = <2>; + clocks = <&perisys PERI_USB0>, + <&perisys PERI_USB1>, + <&apmixedsys CLK_APMIXED_REF2USB_TX>; + clock-names = "wakeup_deb_p0", + "wakeup_deb_p1", + "u3phya_ref"; +};
--
1.8.1.1.dirty