| Message ID | 1447751921-26746-2-git-send-email-chunfeng.yun@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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@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
Hi, On Tue, 2015-11-17 at 13:58 +0300, Sergei Shtylyov wrote: > 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@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? It works as a gateway in fact which can turn on/off usb power > > > + - 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"? Yes, it's a typo > > > + > > + - phys : a list of phandle + phy specifier pairs > > + > > +Optional properties: > > + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup > ^^ IP? Ok > > > + 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 >
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 + - 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 + + - phys : a list of phandle + phy specifier pairs + +Optional properties: + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup + 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 + +Example: +usb30: usb@11270000 { + compatible = "mediatek,mt8173-xhci"; + reg = <0 0x11270000 0 0x1000>, + <0 0x11280700 0 0x0100>; + interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_USB>; + clocks = <&topckgen CLK_TOP_USB30_SEL>, + <&pericfg CLK_PERI_USB0>, + <&pericfg CLK_PERI_USB1>; + clock-names = "sys_ck", + "wakeup_deb_p0", + "wakeup_deb_p1"; + phys = <&phy_port0 PHY_TYPE_USB3>, + <&phy_port1 PHY_TYPE_USB2>; + vusb33-supply = <&mt6397_vusb_reg>; + vbus-supply = <&usb_p1_vbus>; + usb3-lpm-capable; + mediatek,syscon-wakeup = <&pericfg>; + mediatek,wakeup-src = <1>; +};
add a DT binding documentation of xHCI host controller for the MT8173 SoC from Mediatek. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- .../devicetree/bindings/usb/mt8173-xhci.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt