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[PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller

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  [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller Chunfeng Yun <chunfeng.yun@mediatek.com> - 2015-08-22 03:50 +0200
    Re: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host  controller Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-08-22 15:30 +0200
      Re: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI  host controller chunfeng yun <chunfeng.yun@mediatek.com> - 2015-09-01 13:50 +0200

#1211380 — [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller

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        | 52 ++++++++++++++++++++++
 1 file changed, 52 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..8e6e463
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
@@ -0,0 +1,52 @@
+mt65XX 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
+ - usb3-lpm-capable : supports USB3 LPM
+ - mediatek,syscon-wakeup : phandle to syscon used to access usb wakeup
+	control register
+ - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup
+	mode; others means don't enable wakeup source of usb
+
+Optional properties:
+ - vbus-supply : Reference to the VBUS regulator;
+
+Example:
+usb30: usb@11270000 {
+	compatible = "mediatek,mt8173-xhci";
+	reg = <0 0x11270000 0 0x4000>,
+	      <0 0x11280000 0 0x0800>;
+	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>;
+	status = "okay";
+};
-- 
1.8.1.1.dirty

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#1211456 — Re: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller

Hello.

On 8/22/2015 4:45 AM, 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        | 52 ++++++++++++++++++++++
>   1 file changed, 52 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..8e6e463
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> @@ -0,0 +1,52 @@
> +mt65XX xHCI

    The file is called mt8173-xhci.txt. Are you sure MT65xx should be here?

> +
> +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

    USB's -- be consistent, please.

> +	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

    USB.

> +
> + - phys : a list of phandle + phy specifier pairs
> + - usb3-lpm-capable : supports USB3 LPM
> + - mediatek,syscon-wakeup : phandle to syscon used to access usb wakeup
> +	control register
> + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup
> +	mode; others means don't enable wakeup source of usb

    "Others mean" and "USB".

[...]

MBR, Sergei

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#1216790 — Re: [PATCH v6 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller

hi, 
On Sat, 2015-08-22 at 16:23 +0300, Sergei Shtylyov wrote:
> Hello.
> 
> On 8/22/2015 4:45 AM, 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        | 52 ++++++++++++++++++++++
> >   1 file changed, 52 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..8e6e463
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> > @@ -0,0 +1,52 @@
> > +mt65XX xHCI
> 
>     The file is called mt8173-xhci.txt. Are you sure MT65xx should be here?
> 
I will revise it later.

> > +
> > +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
> 
>     USB's -- be consistent, please.
> 
> > +	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
> 
>     USB.
> 
> > +
> > + - phys : a list of phandle + phy specifier pairs
> > + - usb3-lpm-capable : supports USB3 LPM
> > + - mediatek,syscon-wakeup : phandle to syscon used to access usb wakeup
> > +	control register
> > + - mediatek,wakeup-src : 1: ip sleep wakeup mode; 2: line state wakeup
> > +	mode; others means don't enable wakeup source of usb
> 
>     "Others mean" and "USB".
> 
I will replace all 'usb' by "USB"

Thanks a lot, and sorry for later reply.
> [...]
> 
> MBR, Sergei
> 


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