Re: [PATCH v3 4/6] dt-bindings: Consolidate ChipIdea USB ci13xxx bindings

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On Fri, May 29, 2015 at 11:38:44AM -0500, Rob Herring wrote:
> Combine the ChipIdea USB binding into a single document to reduce
> duplication and fragmentation. This marks use of the old PHY bindings as
> deprecated. Future compatible bindings should use generic PHY binding.
> 
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> Cc: Ivan T. Ivanov <iivanov@xxxxxxxxxx>
> Cc: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> Cc: Daniel Tang <dt.tangr@xxxxxxxxx>
> Cc: Pawel Moll <pawel.moll@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> ---
>  .../devicetree/bindings/usb/ci-hdrc-imx.txt        | 35 ----------------------
>  .../devicetree/bindings/usb/ci-hdrc-qcom.txt       | 17 -----------
>  .../devicetree/bindings/usb/ci-hdrc-usb2.txt       | 22 +++++++++++++-
>  .../devicetree/bindings/usb/ci-hdrc-zevio.txt      | 17 -----------
>  4 files changed, 21 insertions(+), 70 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
>  delete mode 100644 Documentation/devicetree/bindings/usb/ci-hdrc-qcom.txt
>  delete mode 100644 Documentation/devicetree/bindings/usb/ci-hdrc-zevio.txt
> 
> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
> deleted file mode 100644
> index 38a5480..0000000
> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -* Freescale i.MX ci13xxx usb controllers
> -
> -Required properties:
> -- compatible: Should be "fsl,imx27-usb"
> -- reg: Should contain registers location and length
> -- interrupts: Should contain controller interrupt
> -- fsl,usbphy: phandle of usb phy that connects to the port
> -
> -Recommended properies:
> -- phy_type: the type of the phy connected to the core. Should be one
> -  of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this
> -  property the PORTSC register won't be touched
> -- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg"
> -
> -Optional properties:
> -- fsl,usbmisc: phandler of non-core register device, with one argument
> -  that indicate usb controller index
> -- vbus-supply: regulator for vbus
> -- disable-over-current: disable over current detect
> -- external-vbus-divider: enables off-chip resistor divider for Vbus
> -- maximum-speed: limit the maximum connection speed to "full-speed".
> -- tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts
> -
> -Examples:
> -usb@02184000 { /* USB OTG */
> -	compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
> -	reg = <0x02184000 0x200>;
> -	interrupts = <0 43 0x04>;
> -	fsl,usbphy = <&usbphy1>;
> -	fsl,usbmisc = <&usbmisc 0>;
> -	disable-over-current;
> -	external-vbus-divider;
> -	maximum-speed = "full-speed";
> -	tpl-support;
> -};
> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-qcom.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-qcom.txt
> deleted file mode 100644
> index f2899b5..0000000
> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-qcom.txt
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -Qualcomm CI13xxx (Chipidea) USB controllers
> -
> -Required properties:
> -- compatible:   should contain "qcom,ci-hdrc"
> -- reg:          offset and length of the register set in the memory map
> -- interrupts:   interrupt-specifier for the controller interrupt.
> -- usb-phy:      phandle for the PHY device
> -- dr_mode:      Should be "peripheral"
> -
> -Examples:
> -	gadget@f9a55000 {
> -		compatible = "qcom,ci-hdrc";
> -		reg = <0xf9a55000 0x400>;
> -		dr_mode = "peripheral";
> -		interrupts = <0 134 0>;
> -		usb-phy = <&usbphy0>;
> -	};
> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
> index 27f8b1e..553e2fa 100644
> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
> +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt
> @@ -1,15 +1,35 @@
>  * USB2 ChipIdea USB controller for ci13xxx
>  
>  Required properties:
> -- compatible: should be "chipidea,usb2"
> +- compatible: should be one of:
> +	"fsl,imx27-usb"
> +	"lsi,zevio-usb"
> +	"qcom,ci-hdrc"
> +	"chipidea,usb2"
>  - reg: base address and length of the registers
>  - interrupts: interrupt for the USB controller
>  
> +Recommended properies:
> +- phy_type: the type of the phy connected to the core. Should be one
> +  of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this
> +  property the PORTSC register won't be touched.
> +- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg"
> +
> +Deprecated properties:
> +- usb-phy:      phandle for the PHY device. Use "phys" instead.
> +- fsl,usbphy: phandle of usb phy that connects to the port. Use "phys" instead.
> +
>  Optional properties:
>  - clocks: reference to the USB clock
>  - phys: reference to the USB PHY
>  - phy-names: should be "usb-phy"
>  - vbus-supply: reference to the VBUS regulator
> +- maximum-speed: limit the maximum connection speed to "full-speed".
> +- tpl-support: TPL (Targeted Peripheral List) feature for targeted hosts
> +- fsl,usbmisc: (FSL only) phandler of non-core register device, with one
> +  argument that indicate usb controller index
> +- disable-over-current: (FSL only) disable over current detect
> +- external-vbus-divider: (FSL only) enables off-chip resistor divider for Vbus
>  
>  Example:
>  
> diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-zevio.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-zevio.txt
> deleted file mode 100644
> index abbcb2a..0000000
> --- a/Documentation/devicetree/bindings/usb/ci-hdrc-zevio.txt
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -* LSI Zevio USB OTG Controller
> -
> -Required properties:
> -- compatible: Should be "lsi,zevio-usb"
> -- reg: Should contain registers location and length
> -- interrupts: Should contain controller interrupt
> -
> -Optional properties:
> -- vbus-supply: regulator for vbus
> -
> -Examples:
> -		usb0: usb@b0000000 {
> -			reg = <0xb0000000 0x1000>;
> -			compatible = "lsi,zevio-usb";
> -			interrupts = <8>;
> -			vbus-supply = <&vbus_reg>;
> -		};
> -- 
> 2.1.0
> 

Acked-by:Peter Chen <peter.chen@xxxxxxxxxxxxx>

-- 

Best Regards,
Peter Chen
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