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phy: phy-stih41x-usb: Add dt documentation for USB phy on STiH415/6

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This patch adds dt documentation bindings for the usb phy found
on STiH415/5 SoC's from STMicroelectronics, which support USB 1.1 and 2.0.

Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Peter Griffin 2014-09-08 11:33:01 +01:00 committed by Kishon Vijay Abraham I
parent 3f8da2e36c
commit d6140c70ed
1 changed files with 24 additions and 0 deletions
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Documentation/devicetree/bindings/phy/phy-stih41x-usb.txt Normal file
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STMicroelectronics STiH41x USB PHY binding
------------------------------------------
This file contains documentation for the usb phy found in STiH415/6 SoCs from
STMicroelectronics.
Required properties:
- compatible : should be "st,stih416-usb-phy" or "st,stih415-usb-phy"
- st,syscfg : should be a phandle of the syscfg node
- clock-names : must contain "osc_phy"
- clocks : must contain an entry for each name in clock-names.
See: Documentation/devicetree/bindings/clock/clock-bindings.txt
- #phy-cells : must be 0 for this phy
See: Documentation/devicetree/bindings/phy/phy-bindings.txt
Example:
usb2_phy: usb2phy@0 {
compatible = "st,stih416-usb-phy";
#phy-cell = <0>;
st,syscfg = <&syscfg_rear>;
clocks = <&clk_sysin>;
clock-names = "osc_phy";
};