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Date: Mon, 23 Sep 2013 14:32:24 -0500
From: Felipe Balbi <balbi@ti.com>
To: "Ivan T. Ivanov" <iivanov@mm-sol.com>
CC: <balbi@ti.com>, <rob.herring@calxeda.com>, <pawel.moll@arm.com>,
        <mark.rutland@arm.com>, <swarren@wwwdotorg.org>,
        <ian.campbell@citrix.com>, <rob@landley.net>,
        <gregkh@linuxfoundation.org>, <grant.likely@linaro.org>,
        <idos@codeaurora.org>, <mgautam@codeaurora.org>,
        <devicetree@vger.kernel.org>, <linux-doc@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-usb@vger.kernel.org>,
        <linux-omap@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v5 1/3] usb: dwc3: msm: Add device tree binding
 information
Message-ID: <20130923193224.GO30811@radagast>
Reply-To: <balbi@ti.com>
References: <1377091786-5613-1-git-send-email-iivanov@mm-sol.com>
 <1377091786-5613-2-git-send-email-iivanov@mm-sol.com>
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Hi,

On Wed, Aug 21, 2013 at 04:29:44PM +0300, Ivan T. Ivanov wrote:
> From: "Ivan T. Ivanov" <iivanov@mm-sol.com>
>=20
> MSM USB3.0 core wrapper consist of USB3.0 IP from Synopsys
> (SNPS) and HS, SS PHY's control and configuration registers.
>=20
> It could operate in device mode (SS, HS, FS) and host
> mode (SS, HS, FS, LS).
>=20
> Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>

and here's a new version from same patch

> ---
>  .../devicetree/bindings/usb/msm-ssusb.txt          |  104 ++++++++++++++=
++++++
>  1 file changed, 104 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/msm-ssusb.txt
>=20
> diff --git a/Documentation/devicetree/bindings/usb/msm-ssusb.txt b/Docume=
ntation/devicetree/bindings/usb/msm-ssusb.txt
> new file mode 100644
> index 0000000..f57ba8d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/msm-ssusb.txt
> @@ -0,0 +1,104 @@
> +MSM SuperSpeed DWC3 USB SoC controller
> +
> +
> +MSM DW Highspeed USB PHY
> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> +Required properities :
> +- compatible : sould be "qcom,dw-hsphy";
> +- reg : offset and length of the register set in the memory map
> +- clocks : phandles to clock instances of the device tree nodes
> +- clock-names :
> +	"xo" : External reference clock 19 MHz
> +	"sleep_a" : Sleep clock, used when USB3 core goes into low
> +	power mode (U3).
> +<supply-name>-supply : phandle to the regulator device tree node
> +Required "supply-name" are:
> +	"v1p8" : 1.8v supply for HSPHY
> +	"v3p3" : 3.3v supply for HSPHY
> +	"vbus" : vbus supply for host mode
> +	"vddcx" : vdd supply for HS-PHY digital circuit operation
> +
> +MSM DW Superspeed USB PHY
> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D
> +Required properities :
> +- compatible : sould be "qcom,dw-ssphy";
> +- reg : offset and length of the register set in the memory map
> +- clocks : phandles to clock instances of the device tree nodes
> +- clock-names :
> +	"xo" : External reference clock 19 MHz
> +	"ref" : Reference clock - used in host mode.
> +<supply-name>-supply : phandle to the regulator device tree node
> +Required "supply-name" are:
> +	"v1p8" : 1.8v supply for SS-PHY
> +	"vddcx" : vdd supply for SS-PHY digital circuit operation
> +
> +MSM DWC3 controller wrapper
> +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
> +Required properties :
> +- compatible : should be "qcom,dwc3"
> +- reg : offset and length of the register set in the memory map
> +	offset and length of the TCSR register for routing USB
> +	signals to either picoPHY0 or picoPHY1.
> +- clocks : phandles to clock instances of the device tree nodes
> +- clock-names :
> +	"core" : Master/Core clock, have to be >=3D 125 MHz for SS
> +	operation and >=3D 60MHz for HS operation
> +	"iface" : System bus AXI clock
> +	"sleep" : Sleep clock, used when USB3 core goes into low
> +	power mode (U3).
> +	"utmi" : Generated by HS-PHY. Used to clock the low power
> +	parts of thr HS Link layer.
> +Optional properties :
> +- gdsc-supply : phandle to the globally distributed switch controller
> +  regulator node to the USB controller.
> +Required child node:
> +A child node must exist to represent the core DWC3 IP block. The name of
> +the node is not important. The content of the node is defined in dwc3.tx=
t.
> +
> +Example device nodes:
> +
> +	dw_hsphy: phy@f92f8800 {
> +		compatible =3D "qcom,dw-hsphy";
> +		reg =3D <0xf92f8800 0x30>;
> +
> +		clocks =3D <&cxo>, <&usb2a_phy_sleep_cxc>;
> +		clock-names =3D "xo", "sleep_a";
> +
> +		vbus-supply =3D <&supply>;
> +		vddcx-supply =3D <&supply>;
> +		v1p8-supply =3D <&supply>;
> +		v3p3-supply =3D <&supply>;
> +	};
> +
> +	dw_ssphy: phy@f92f8830 {
> +		compatible =3D "qcom,dw-ssphy";
> +		reg =3D <0xf92f8830 0x30>;
> +
> +		clocks =3D <&cxo>, <&usb30_mock_utmi_cxc>;
> +		clock-names =3D "xo", "ref";
> +
> +		vddcx-supply =3D <&supply>;
> +		v1p8-supply =3D <&supply>;
> +	};
> +
> +	usb@fd4ab000 {
> +		compatible =3D "qcom,dwc3";
> +		#address-cells =3D <1>;
> +		#size-cells =3D <1>;
> +		reg =3D <0xfd4ab000 0x4>;
> +
> +		clocks =3D <&usb30_master_cxc>, <&sys_noc_usb3_axi_cxc>,
> +				<&usb30_sleep_cxc>, <&usb30_mock_utmi_cxc>;
> +		clock-names =3D "core", "iface", "sleep", "utmi";
> +
> +		gdsc-supply =3D <&supply>;
> +
> +		ranges;
> +		dwc3@f9200000 {
> +			compatible =3D "snps,dwc3";
> +			reg =3D <0xf9200000 0xcd00>;
> +			interrupts =3D <0 131 0>;
> +			usb-phy =3D <&dw_hsphy>, <&dw_ssphy>;
> +			tx-fifo-resize;
> +		};
> +	};
> --=20
> 1.7.9.5
>=20

--=20
balbi

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