Re: [PATCH 3/3] arm64: dts: ti: iot2050: Add support for product generation 2 boards

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On 17:27-20210907, Jan Kiszka wrote:
> On 07.09.21 17:16, Nishanth Menon wrote:
> > On 16:22-20210907, Jan Kiszka wrote:
> >> From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
> >>
> >> Product Generations 1 and 2 differ in the SOC revision which requires
> >> separate device trees.
> >>
> >> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
> >> ---
> >>  arch/arm64/boot/dts/ti/Makefile               |  2 +
> >>  .../dts/ti/k3-am65-iot2050-common-pg1.dtsi    | 46 ++++++++++++++++
> >>  .../dts/ti/k3-am65-iot2050-common-pg2.dtsi    | 51 ++++++++++++++++++
> >>  .../boot/dts/ti/k3-am65-iot2050-common.dtsi   | 35 +-----------
> >>  ...ts => k3-am6528-iot2050-basic-common.dtsi} | 12 ++---
> >>  .../dts/ti/k3-am6528-iot2050-basic-pg2.dts    | 21 ++++++++
> >>  .../boot/dts/ti/k3-am6528-iot2050-basic.dts   | 53 ++-----------------
> >>  ...=> k3-am6548-iot2050-advanced-common.dtsi} |  8 +--
> >>  .../dts/ti/k3-am6548-iot2050-advanced-pg2.dts | 26 +++++++++
> >>  .../dts/ti/k3-am6548-iot2050-advanced.dts     | 52 ++----------------
> >>  10 files changed, 161 insertions(+), 145 deletions(-)
> >>  create mode 100644 arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg1.dtsi
> >>  create mode 100644 arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi
> >>  copy arch/arm64/boot/dts/ti/{k3-am6528-iot2050-basic.dts => k3-am6528-iot2050-basic-common.dtsi} (80%)
> >>  create mode 100644 arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic-pg2.dts
> >>  copy arch/arm64/boot/dts/ti/{k3-am6548-iot2050-advanced.dts => k3-am6548-iot2050-advanced-common.dtsi} (86%)
> >>  create mode 100644 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-pg2.dts
> > 
> > 
> > Few things:
> > 
> > a) Could you split this patch so that the refactoring for SR1 is the
> >    first patch and then introduce the SR2?
> 
> Can do, sure
> 
> > b) Please call these as sr (silicon revision) rather than pg.
> 
> Nope, this is only motivated by the SR1->SR2 switch. The new products
> are called "PG2", and that is what the DT name must reflect. Took me a
> while to grasp that as well.


Aaah.. thanks.. will be good to document the same. I think you did mean
Product Generation as PG.. please call it out explicitly in the commit
message.

> 
> > c) usual request: Please add urls for the board
> 
> Where should they go? I think there is only one reasonable to share:
> 
> https://new.siemens.com/global/en/products/automation/pc-based/iot-gateways/simatic-iot2050.html
> 
> If that is a stable link, I can't tell.


Please confirm and add that to the commit message of the patch that introduces pg2 board.

I'd also suggest adding the link to the dts file.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D



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