Re: [PATCH v2 3/3] arm64: dts: ti: Add support for TI J722S Evaluation Module

From: Vaishnav Achath
Date: Wed Feb 14 2024 - 02:44:04 EST


Hi Michael,

On 12/02/24 21:32, Michael Walle wrote:
Hi,

On Tue Feb 6, 2024 at 11:06 AM CET, Vaishnav Achath wrote:
+# Boards with J722s SoC
+dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm.dtb

I'm a bit confused by your names. What are the new/correct ones now?
Some seem to use the amXX names and some the jXX ones. I've read [1]
and it appears it was suggested to use the am67 names for the device
trees. Esp. because there is already, am62, am64, am65, am68 and
am69 in as names for the device trees.

The TRM you've linked in the cover letter doesn't shed much light
either. It just lists both.


Both names are correct, for other Jacinto devices J721S2 and J784S4, the industrial variants (AM68, AM69 respectively) and those boards were announced at a later point of time and since the automotive/J7 variants were introduced first, the SoC dtsi and files have the J7XX names, for AM62/AM64 there is no confusion in naming, in this case the initial TRM itself mentions J722S and AM67 variants with similar capabilities, the reasoning behind continuing with the J722S name is because the initial support is being added for J722S EVM (the top marking on the SoC package populated on the EVM say XJ722SAMW, this can be seen in the schematics also), please let know if this clarifies the confusion.

Thanks and Regards,
Vaishnav

-michael

[1] https://lore.kernel.org/all/81f90d13-da10-4a68-a0e7-95212f40b3e8@xxxxxx/