linux-kernel - Re: [PATCH v5 1/2] Documentation: bindings: add DT documentation for Rockchip USB2PHY

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Message-ID: <22577234.U1lnbZuDkj@diego>
Date:	Mon, 13 Jun 2016 10:38:39 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Frank Wang <frank.wang@...k-chips.com>
Cc:	dianders@...omium.org, linux@...ck-us.net, groeck@...omium.org,
	jwerner@...omium.org, kishon@...com, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	xzy.xu@...k-chips.com, kever.yang@...k-chips.com,
	huangtao@...k-chips.com, william.wu@...k-chips.com
Subject: Re: [PATCH v5 1/2] Documentation: bindings: add DT documentation for Rockchip USB2PHY

Am Montag, 13. Juni 2016, 10:10:09 schrieb Frank Wang:
> Signed-off-by: Frank Wang <frank.wang@...k-chips.com>

looks really cool now, thanks for addressing all the review comments

Reviewed-by: Heiko Stuebner <heiko@...ech.de>

> ---
> 
> Changes in v5:
>  - Added 'reg' property to identify the different phy-blocks.
> 
> Changes in v4:
>  - Used 'phy-supply' instead of 'vbus_*-supply'.
> 
> Changes in v3:
>  - Added 'clocks' and 'clock-names' optional properties.
>  - Specified 'otg-port' and 'host-port' as the sub-node name.
> 
> 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        |   64
> ++++++++++++++++++++ 1 file changed, 64 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..48bb5de
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
> @@ -0,0 +1,64 @@
> +ROCKCHIP USB2.0 PHY WITH INNO IP BLOCK
> +
> +Required properties (phy (parent) node):
> + - compatible : should be one of the listed compatibles:
> +	* "rockchip,rk3366-usb2phy"
> +	* "rockchip,rk3399-usb2phy"
> + - reg : the address offset of grf for usb-phy configuration.
> + - #clock-cells : should be 0.
> + - clock-output-names : specify the 480m output clock name.
> +
> +Optional properties:
> + - clocks : phandle + phy specifier pair, for the input clock of phy.
> + - clock-names : input clock name of phy, must be "phyclk".
> +
> +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,
> +		 and shall be the following entries:
> +	* "otg-port" : the name of otg port.
> +	* "host-port" : the name of host 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/otg linestate interrupt.
> +
> +Optional properties:
> + - phy-supply : phandle to a regulator that provides power to VBUS.
> +		See ./phy-bindings.txt for details.
> +
> +Example:
> +
> +grf: syscon@...70000 {
> +	compatible = "rockchip,rk3366-grf", "syscon", "simple-mfd";
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +
> +...
> +
> +	u2phy: usb2-phy@700 {
> +		compatible = "rockchip,rk3366-usb2phy";
> +		reg = <0x700 0x2c>;
> +		#clock-cells = <0>;
> +		clock-output-names = "sclk_otgphy0_480m";
> +
> +		u2phy_otg: otg-port {
> +			#phy-cells = <0>;
> +			interrupts = <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "otg_id", "otg_bvalid", "linestate";
> +			status = "okay";
> +		};
> +
> +		u2phy_host: host-port {
> +			#phy-cells = <0>;
> +			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "linestate";
> +			status = "okay";
> +		};
> +	};
> +};