On 02/15/2018 12:41 AM, Bjorn Andersson wrote: > [..] >>> + >>> + qup_1: geni-se@ac0000 { >> Color me confused. So you're saying here that this is "qup_1". >> ...but above you turn the pinmux for pins "GPIO4" and "GPIO5" to >> "qup9", right? So UART2 is on "qup 1" and "qup 9"? >> >> ...OK, so I stared at manuals a bunch more, and _maybe_ I get it. >> Maybe there are 3 "QUP v3 modules" each of which handles up to 8 >> "QUP"s. So QUP 9 is on "QUP module 1", is that right? If everyone >> understands this already and it's just me that's confused then I guess >> you can just ignore this comment. However, if you can think of any >> better alias than "qup_1" that makes this less confusing then that >> would make me extra happy. Like maybe "qupv3_id_1" to match the >> manual? > This is indeed a source of confusion, in particular since there tend to > be different numbering depending on what part of the puzzle you look at. > But you're right that each QUP has a number of engines, each one being a > UART/I2C/SPI controller. > > I don't see a reason for labeling this particular node though, aliases > references individual engines, not the wrapper. makes sense, I'll just drop the label. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html