On 23/08/2022 10:27, Romain Naour wrote:
> From: Romain Naour <romain.naour@xxxxxxx>
>
> Commit bcbb63b80284 ("ARM: dts: dra7: Separate AM57 dtsi files")
> disabled usb4_tm for am5748 devices since USB4 IP is not present
> in this SoC.
>
> The commit log explained the difference between AM5 and DRA7 families:
>
> AM5 and DRA7 SoC families have different set of modules in them so the
> SoC sepecific dtsi files need to be separated.
>
> e.g. Some of the major differences between AM576 and DRA76
>
> DRA76x AM576x
>
> USB3 x
> USB4 x
> ATL x
> VCP x
> MLB x
> ISS x
> PRU-ICSS1 x
> PRU-ICSS2 x
>
> Then commit 176f26bcd41a ("ARM: dts: Add support for dra762 abz
> package") removed usb4_tm part from am5748.dtsi and introcuded new
> ti-sysc errors in dmesg:
>
> ti-sysc 48940000.target-module: clock get error for fck: -2
> ti-sysc: probe of 48940000.target-module failed with error -2
>
> Fixes: 176f26bcd41a ("ARM: dts: Add support for dra762 abz package")
>
> Signed-off-by: Romain Naour <romain.naour@xxxxxxx>
> Signed-off-by: Romain Naour <romain.naour@xxxxxxxx>
> Cc: Roger Quadros <rogerq@xxxxxxxxxx>
> ---
> Issue reproduced on a AM5749 CPU using a 5.10 kernel from ti-linux-kernel:
> https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/commit/?h=linux-5.10.y
>
> v2: improved commit log to ease patch backport
> ---
> arch/arm/boot/dts/am5748.dtsi | 4 ++++
> 1 file changed, 4 insertions(+)
Reviewed-by: Roger Quadros <rogerq@xxxxxxxxxx>
cheers,
-roger
