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Date: Fri, 5 Jun 2015 14:22:15 +0800
From: Peter Chen <peter.chen@...escale.com>
To: Rob Herring <robh@...nel.org>
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Kishon Vijay Abraham I <kishon@...com>,
<linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>,
"Ivan T. Ivanov" <iivanov@...sol.com>,
Daniel Tang <dt.tangr@...il.com>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>
Subject: Re: [PATCH v3 4/6] dt-bindings: Consolidate ChipIdea USB ci13xxx
bindings
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@...nel.org>
> Cc: Ivan T. Ivanov <iivanov@...sol.com>
> Cc: Peter Chen <peter.chen@...escale.com>
> Cc: Daniel Tang <dt.tangr@...il.com>
> Cc: Pawel Moll <pawel.moll@....com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
> Cc: Kumar Gala <galak@...eaurora.org>
> Cc: devicetree@...r.kernel.org
> ---
> .../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@...84000 { /* 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@...55000 {
> - 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@...00000 {
> - reg = <0xb0000000 0x1000>;
> - compatible = "lsi,zevio-usb";
> - interrupts = <8>;
> - vbus-supply = <&vbus_reg>;
> - };
> --
> 2.1.0
>
Acked-by:Peter Chen <peter.chen@...escale.com>
--
Best Regards,
Peter Chen
--
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