From: sergei.shtylyov@cogentembedded•com (Sergei Shtylyov)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v9 1/5] dt-bindings: Add usb3.0 phy binding for MT65xx SoCs
Date: Tue, 29 Sep 2015 17:43:10 +0300 [thread overview]
Message-ID: <560AA37E.2090106@cogentembedded.com> (raw)
In-Reply-To: <1443495698-32233-2-git-send-email-chunfeng.yun@mediatek.com>
Hello.
On 09/29/2015 06:01 AM, Chunfeng Yun wrote:
> add a DT binding documentation of usb3.0 phy for MT65xx
> SoCs from Mediatek.
>
> Acked-by: Rob Herring <robh@kernel•org>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek•com>
> ---
> .../devicetree/bindings/phy/phy-mt65xx-usb.txt | 68 ++++++++++++++++++++++
> 1 file changed, 68 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt
> new file mode 100644
> index 0000000..00100cf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt
> @@ -0,0 +1,68 @@
> +mt65xx USB3.0 PHY binding
> +--------------------------
> +
> +This binding describes a usb3.0 phy for mt65xx platforms of Medaitek SoC.
> +
> +Required properties (controller (parent) node):
> + - compatible : should be "mediatek,mt8173-u3phy"
> + - reg : offset and length of register for phy, exclude port's
> + register.
> + - clocks : a list of phandle + clock-specifier pairs, one for each
> + entry in clock-names
> + - clock-names : must contain
> + "u3phya_ref": for reference clock of usb3.0 analog phy.
> +
> +Required nodes : a sub-node is required for each port the controller
> + provides. Address range information including the usual
> + 'reg' property is used inside these nodes to describe
> + the controller's topology.
> +
> +Required properties (port (child) node):
> +- reg : address and length of the register set for the port.
> +- #phy-cells : should be 1 (See second example)
> + cell after port phandle is phy type from:
> + - PHY_TYPE_USB2
> + - PHY_TYPE_USB3
> +
> +Example:
> +
> +u3phy: usb-phy at 11290000 {
> + compatible = "mediatek,mt8173-u3phy";
> + reg = <0 0x11290000 0 0x800>;
> + clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
> + clock-names = "u3phya_ref";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
You don't describe the above 3 props neither as mandatory nor optional.
[...]
> +Specifying phy control of devices
> +---------------------------------
> +
> +Device nodes should specify the configuration required in their "phys"
> +property, containing a phandle to the phy port node and a device type;
> +phy-names for each port are optional.
> +
> +Example:
> +
> +#include <dt-bindings/phy/phy.h>
> +
> +usb30: usb at 11270000 {
> + ...
> + phys = <&phy_port0 PHY_TYPE_USB3>;
> + phy-names = "usb3-0";
> + ...
> +};
Isn't the above already described in
Documentation/devicetree/bindings/phy/phy-bindings.txt?
MBR, Sergei
next prev parent reply other threads:[~2015-09-29 14:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 3:01 [PATCH v9 0/5] Mediatek xHCI support Chunfeng Yun
2015-09-29 3:01 ` [PATCH v9 1/5] dt-bindings: Add usb3.0 phy binding for MT65xx SoCs Chunfeng Yun
2015-09-29 14:43 ` Sergei Shtylyov [this message]
2015-10-08 11:27 ` chunfeng yun
2015-09-29 3:01 ` [PATCH v9 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller Chunfeng Yun
2015-09-29 14:49 ` Sergei Shtylyov
2015-10-08 11:37 ` chunfeng yun
2015-09-29 3:01 ` [PATCH v9 3/5] phy: add usb3.0 phy driver for mt65xx SoCs Chunfeng Yun
2015-10-06 14:20 ` Kishon Vijay Abraham I
2015-10-08 11:45 ` chunfeng yun
2015-09-29 3:01 ` [PATCH v9 4/5] xhci: mediatek: support MTK xHCI host controller Chunfeng Yun
2015-10-01 11:44 ` Daniel Thompson
2015-10-08 12:05 ` chunfeng yun
2015-10-08 12:28 ` Daniel Thompson
2015-10-08 13:05 ` Mathias Nyman
2015-10-08 14:42 ` chunfeng yun
2015-10-08 14:38 ` chunfeng yun
2015-10-15 14:46 ` Mathias Nyman
2015-10-18 1:25 ` chunfeng yun
2015-10-19 11:25 ` Mathias Nyman
2015-10-20 6:29 ` chunfeng yun
2015-10-20 8:25 ` Mathias Nyman
2015-09-29 3:01 ` [PATCH v9 5/5] arm64: dts: mediatek: add xHCI & usb phy for mt8173 Chunfeng Yun
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