Messages in this thread | | | Subject | Re: [PATCH] pinctrl: tegra-xusb: Correct lane mux options | From | Stephen Warren <> | Date | Fri, 23 Oct 2015 12:56:51 -0600 |
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On 10/16/2015 03:24 AM, Jon Hunter wrote: > The description of the XUSB_PADCTL_USB3_PAD_MUX_0 register in the Tegra124 > documentation implies that all functions (pcie, usb3 and sata) can be > muxed onto to all lanes (pcie lanes 0-4 and sata lane 0). However, it has > been confirmed that this is not the case and the mux'ing options much more > limited. Unfortunately, the public documentation has not been updated to > reflect this and so detail the actual mux'ing options here by function: > > Function: Lanes: > pcie1 x2: pcie3, pcie4 > pcie1 x4: pcie1, pcie2, pcie3, pcie4 > pcie2 x1 (option1): pcie0 > pcie2 x1 (option2): pcie2 > usb3 port 0: pcie0 > usb3 port 1 (option 1): pcie1 > usb3 port 1 (option 2): sata0 > sata: sata0
Acked-by: Stephen Warren <swarren@nvidia.com>
I didn't check the actual lists of values, but it sounds about right from memory.
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