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Date: Tue, 25 Aug 2020 15:00:58 +0300 From: Roger Quadros <rogerq@...com> To: <balbi@...nel.org> CC: <pawell@...ence.com>, <kurahul@...ence.com>, <nsekhar@...com>, <vigneshr@...com>, <robh+dt@...nel.org>, <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>, Roger Quadros <rogerq@...com> Subject: [PATCH 2/3] dt-bindings: usb: cdns,usb3: Add cdns,phyrst-a-enable property Controller version 0x0002450D has USB2 PHY RX sensitivity issues that needs to be worked around by enabling phyrst-a-enable bit in PHYRST_CFG register. There is no way to distinguish between the controller version before the device controller is started so we need to add this DT property. Signed-off-by: Roger Quadros <rogerq@...com> --- Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml index 7bc0263accee..e670adc955e1 100644 --- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml +++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml @@ -58,6 +58,10 @@ properties: buffers expressed in KB $ref: /schemas/types.yaml#/definitions/uint32 + cdns,phyrst-a-enable: + description: Enable resetting of PHY if Rx fail is detected + type: boolean + required: - compatible - reg -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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