From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Wang Subject: [PATCH v2 1/2] Documentation: bindings: add DT documentation for Rockchip USB2PHY Date: Thu, 2 Jun 2016 14:48:09 +0800 Message-ID: <1464850090-99371-2-git-send-email-frank.wang@rock-chips.com> References: <1464850090-99371-1-git-send-email-frank.wang@rock-chips.com> Return-path: In-Reply-To: <1464850090-99371-1-git-send-email-frank.wang@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: heiko@sntech.de, dianders@chromium.org, kishon@ti.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-rockchip@lists.infradead.org, jwerner@chromium.org, xzy.xu@rock-chips.com, huangtao@rock-chips.com, kever.yang@rock-chips.com, william.wu@rock-chips.com, frank.wang@rock-chips.com List-Id: linux-rockchip.vger.kernel.org Signed-off-by: Frank Wang --- Changes in v2: - Changed vbus_host optional property from gpio to regulator. - Specified vbus_otg-supply optional property. - Specified otg_id and otg_bvalid property. .../bindings/phy/phy-rockchip-inno-usb2.txt | 55 ++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt new file mode 100644 index 0000000..132e707 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt @@ -0,0 +1,55 @@ +ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK + +Required properties (phy (parent) node): + - compatible : should contain: + * "rockchip,rk3366-usb2phy" + * "rockchip,rk3399-usb2phy" + - #clock-cells : should be 0. + - clock-names : specify the 480m output clk name. + +Optional properties: + - vbus_host-supply : phandle to a regulator that supplies host vbus. + - vbus_otg-supply : phandle to a regulator that supplies otg vbus. + +Required nodes : a sub-node is required for each port the phy provides. + The sub-node name is used to identify host or otg port. + +Required properties (port (child) node): + - #phy-cells : must be 0. See ./phy-bindings.txt for details. + - interrupts : specify an interrupt for each entry in interrupt-names. + - interrupt-names : a list which shall be the following entries: + * "otg_id" : for the otg id interrupt. + * "otg_bvalid" : for the otg vbus interrupt. + * "linestate" : for the host or otg linestate interrupt. + +Example: + +grf: syscon@ff770000 { + compatible = "rockchip,rk3366-grf", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + +... + + u2phy: usb2-phy { + compatible = "rockchip,rk3366-usb2phy"; + #clock-cells = <0>; + clock-output-names = "sclk_otgphy0_480m"; + + u2phy_otg: otg-port { + #phy-cells = <0>; + interrupts = , + , + ; + interrupt-names = "otg_id", "otg_bvalid", "linestate"; + status = "okay"; + }; + + u2phy_host: host-port { + #phy-cells = <0>; + interrupts = ; + interrupt-names = "linestate"; + status = "okay"; + }; + }; +}; -- 1.7.9.5