no USB PHY registers in iMX8M referenence manual

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no USB PHY registers in iMX8M referenence manual

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Contributor II

Dear Sir,

I read "i.MX 8M Dual/8M QuadLite/8M Quad Applications Processors Reference Manual",

Document Number: IMX8MDQLQRM (Rev. 0, 01/2018). But I can't find any register spec about USB-phy.

But in imx-linux "imx8mq_clocks.dtsi" I found there are registers at 0x382f0040.  

Where can I found the definitions of USB-phy registers? Thanks.

usb3_phy1: phy@382f0040 {
compatible = "fsl,imx8mq-usb-phy";
#phy-cells = <1>;
reg = <0x0 0x382f0040 0x0 0x40>;
clocks = <&clk IMX8MQ_CLK_USB2_PHY_ROOT>;
clock-names = "usb_phy_root_clk";
assigned-clocks = <&clk IMX8MQ_CLK_USB_PHY_REF_SRC>;
assigned-clock-parents = <&clk IMX8MQ_SYS1_PLL_100M>;
assigned-clock-rates = <100000000>;
status = "disabled";
};

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NXP Employee
NXP Employee

Hi Wang,

I have internally escalated your request, in order to verify if there are missing information on the i.MX8M Reference Manual.

I will post an update as soon as having news.

Best regards!

/Carlos

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Contributor II

Hi Carlos,

Thanks. I'm waiting for your feeback.

Best regards,

Miles

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NXP Employee
NXP Employee

Hi Miles,

Sorry for the delayed response. Below you can find last update from AE team:

We have sent out request to design/document team to add USBPHY information into future RM.

So, could you please specify if does the customer need relative description urgently?

In case that yes, please create a Salesforce Case and let us know the number.

Hope this will be useful for you.

Best regards!

/Carlos

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Contributor II

Hi Carlos,

Thanks. We need it urgently. Before add it into future RM, you can supply supplementary note just for it.

Best regards,

Miles

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NXP Employee
NXP Employee

Hi Miles,

In such case, could you please create a Salesforce Case on where we could manage future interactions involving attachments?

You could take a look at the following link:

How to submit a new question for NXP Support 


Hope this will be useful for you.
Best regards!
/Carlos

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Contributor II

Hi Carlos,

Have created a salesforce case: Reference Id: NoUSBPHY457811

Thanks,

Miles

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NXP Employee
NXP Employee

Hello Miles,

I have sent you a direct message where you could reply me with the numeric reference for your created Case.


Hope this will be useful for you.
Best regards!
/Carlos
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Contributor III

Did this ever get resolved? We have the same questions about the USB PHY register descriptions, and the response we got back from NXP is that none exist?

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Contributor I

Hi, I have the same need. Did you succeed to collect some info ?

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Contributor I

OK, in fact reference manual Rev. 2, 08/2019 contains the USB controller + USB PHY registers descriptions so it's all good !

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