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From: Rob Herring <robh@kernel.org>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Mark Rutland <mark.rutland@arm.com>, Andrew Lunn <andrew@lunn.ch>,
	Jason Cooper <jason@lakedaemon.net>,
	Mathias Nyman <mathias.nyman@intel.com>,
	devicetree@vger.kernel.org,
	Antoine Tenart <antoine.tenart@bootlin.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Gregory Clement <gregory.clement@bootlin.com>,
	linux-usb@vger.kernel.org, Kishon Vijay Abraham I <kishon@ti.com>,
	Nadav Haklai <nadavh@marvell.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Maxime Chevallier <maxime.chevallier@bootlin.com>,
	linux-arm-kernel@lists.infradead.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH v2 06/10] dt-bindings: phy: mvebu-utmi: add UTMI PHY bindings
Date: Tue, 15 Jan 2019 15:44:29 -0600
Message-ID: <20190115214429.GA21758@bogus> (raw)
In-Reply-To: <20190111133133.24803-7-miquel.raynal@bootlin.com>

On Fri, Jan 11, 2019 at 02:31:29PM +0100, Miquel Raynal wrote:
> Add bindings for Marvell Armada 3700 USB2 UTMI+ PHY.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> ---
>  .../bindings/phy/phy-mvebu-utmi.txt           | 37 +++++++++++++++++++
>  1 file changed, 37 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt b/Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt
> new file mode 100644
> index 000000000000..4ade05ce5d51
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-mvebu-utmi.txt
> @@ -0,0 +1,37 @@
> +MVEBU A3700 UTMI PHY
> +--------------------
> +
> +USB2 UTMI+ PHY controllers can be found on the following Marvell MVEBU SoCs:
> +* Armada 3700
> +
> +On Armada 3700, there are two USB controllers, one is compatible with the USB2
> +and USB3 specifications and supports OTG. The other one is USB2 compliant and
> +only supports host mode. Both of these controllers come with a UTMI PHY.

This paragraph says the controllers are different, but are the PHYs 
different?

> +
> +Required Properties:
> +
> +- compatible: Should be one of:
> +	      * "marvell,a3700-utmi-host-phy" for the PHY connected to
> +	        the USB2 host-only controller.
> +	      * "marvell,a3700-utmi-otg-phy" for the PHY connected to
> +	        the USB3 and USB2 OTG capable controller.
> +- reg: PHY IP register range.
> +- marvell,usb-misc-reg: handle on the "USB miscellaneous registers" shared
> +			region covering registers related to both the host
> +			controller and the PHY.
> +- #phy-cells: Standard property (Documentation: phy-bindings.txt) Should be 0.
> +
> +
> +Example:
> +
> +	usb2_utmi_host_phy: phy@5f000 {
> +		compatible = "marvell,armada-3700-utmi-host-phy";
> +		reg = <0x5f000 0x800>;
> +		marvell,usb-misc-reg = <&usb2_syscon>;
> +		#phy-cells = <0>;
> +	};
> +
> +	usb2_syscon: system-controller@5f800 {
> +		compatible = "syscon", "simple-mfd";

This is not valid because there's not a specific compatible string and 
'simple-mfd' implies there are child nodes.

> +		reg = <0x5f800 0x800>;
> +	};
> -- 
> 2.19.1
> 

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  reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-11 13:31 [PATCH v2 00/10] A3700 USB S2RAM support Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 01/10] usb: core: comply to PHY framework Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 02/10] usb: host: xhci: mvebu: add reset on resume quirk Miquel Raynal
2019-01-18 16:04   ` Gregory CLEMENT
2019-01-21 10:54     ` Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 03/10] usb: ehci-orion: avoid double PHY initialization Miquel Raynal
2019-01-11 18:03   ` Sergei Shtylyov
2019-01-21 10:00     ` Miquel Raynal
2019-01-18 16:25   ` Gregory CLEMENT
2019-01-21  9:55     ` Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 04/10] usb: ehci-orion: add S2RAM support Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 05/10] phy: add A3700 UTMI PHY driver Miquel Raynal
2019-01-15  2:40   ` Chunfeng Yun
2019-01-16  9:20     ` Kishon Vijay Abraham I
2019-01-21 10:37       ` Miquel Raynal
2019-01-18 16:36   ` Gregory CLEMENT
2019-01-21 10:24     ` Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 06/10] dt-bindings: phy: mvebu-utmi: add UTMI PHY bindings Miquel Raynal
2019-01-15 21:44   ` Rob Herring [this message]
2019-01-16 13:20     ` Miquel Raynal
2019-01-16 21:05       ` Rob Herring
2019-01-11 13:31 ` [PATCH v2 07/10] MAINTAINERS: phy: fill Armada 3700 PHY drivers entry Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 08/10] ARM64: dts: marvell: armada-37xx: fix USB2 memory region Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 09/10] ARM64: dts: marvell: armada-37xx: declare USB2 UTMI PHYs Miquel Raynal
2019-01-11 13:31 ` [PATCH v2 10/10] ARM64: dts: marvell: armada-37xx: link USB hosts with their PHYs Miquel Raynal

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