| Message ID | 20220829153124.2791210-1-Frank.Li@nxp.com |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [v1,1/2] doc: dt-binding: mxs-usb-phy: fix fsl,tx-cal-45-dn-ohms max and min value | expand |
On 29/08/2022 18:31, Frank Li wrote: > According to spec: > 0000 +19.95% > .... > 1111 -21.68% > > 45 * (1 + 19.95%) = 53.9775 > 45 * (1 - 21.68%) = 35.244 > > Chanege fsl,tx-cal-45-dn-ohms and fsl,tx-cal-45-dp-ohms range to [35-54] > from [30-55] > > Signed-off-by: Frank Li <Frank.Li@nxp.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt b/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt index c9f5c0caf8a9c..111d446b5f986 100644 --- a/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt +++ b/Documentation/devicetree/bindings/phy/mxs-usb-phy.txt @@ -14,10 +14,10 @@ Required properties: - fsl,anatop: phandle for anatop register, it is only for imx6 SoC series Optional properties: -- fsl,tx-cal-45-dn-ohms: Integer [30-55]. Resistance (in ohms) of switchable +- fsl,tx-cal-45-dn-ohms: Integer [35-54]. Resistance (in ohms) of switchable high-speed trimming resistor connected in parallel with the 45 ohm resistor that terminates the DN output signal. Default: 45 -- fsl,tx-cal-45-dp-ohms: Integer [30-55]. Resistance (in ohms) of switchable +- fsl,tx-cal-45-dp-ohms: Integer [35-54]. Resistance (in ohms) of switchable high-speed trimming resistor connected in parallel with the 45 ohm resistor that terminates the DP output signal. Default: 45 - fsl,tx-d-cal: Integer [79-119]. Current trimming value (as a percentage) of
According to spec: 0000 +19.95% .... 1111 -21.68% 45 * (1 + 19.95%) = 53.9775 45 * (1 - 21.68%) = 35.244 Chanege fsl,tx-cal-45-dn-ohms and fsl,tx-cal-45-dp-ohms range to [35-54] from [30-55] Signed-off-by: Frank Li <Frank.Li@nxp.com> --- Documentation/devicetree/bindings/phy/mxs-usb-phy.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)