Re: [PATCH 2/2] arch: arm64: dts: Add support for AM69 Starter Kit

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On 19/01/2023 14:29, sabiya.d@xxxxxxxxxxxxxxxxxxxx wrote:
> From: Dasnavis Sabiya <sabiya.d@xxxxxx>
> 
> AM69 Starter Kit is a single board designed for TI AM69 SOC that
> provides advanced system integration in automotive ADAS applications,
> autonomous mobile robot and edge AI applications. The SOC comprises
> of Cortex-A72s in dual clusters, lockstep capable dual Cortex-R5F MCUs,
> Vision Processing Accelerators (VPAC) with Image Signal Processor (ISP)
> and multiple vision assist accelerators, Depth and Motion Processing
> Accelerators (DMPAC), Deep-learning Matrix Multiply Accelerator(MMA)
> and C7x floating point vector DSP
> 
> AM69 SK supports the following interfaces:
>        * 32 GB LPDDR4 RAM
>        * x1 Gigabit Ethernet interface
>        * x3 USB 3.0 Type-A ports
>        * x1 USB 3.0 Type-C port
>        * x1 UHS-1 capable micro-SD card slot
>        * x4 MCAN instances
>        * 32 GB eMMC Flash
>        * 512 Mbit OSPI flash
>        * x2 Display connectors
>        * x1 PCIe M.2 M Key
>        * x1 PCIe M.2 E Key
>        * x1 4L PCIe Card Slot
>        * x3 CSI2 Camera interface
>        * 40-pin Raspberry Pi header
> 
> Add initial support for the AM69 SK board.

Thank you for your patch. There is something to discuss/improve.

> 
> Design Files: https://www.ti.com/lit/zip/SPRR466
> TRM: https://www.ti.com/lit/zip/spruj52
> 
> Signed-off-by: Dasnavis Sabiya <sabiya.d@xxxxxx>
> ---
>  arch/arm64/boot/dts/ti/Makefile       |   1 +
>  arch/arm64/boot/dts/ti/k3-am69-sk.dts | 180 ++++++++++++++++++++++++++
>  2 files changed, 181 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am69-sk.dts
> 
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index e7c2c7dd0b25..04b1a7611096 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -20,6 +20,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb
>  
>  dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb
>  
> +dtb-$(CONFIG_ARCH_K3) += k3-am69-sk.dtb

I was told the order of entries here is "time of release". Is it
correct? This is the order you want to keep here and am69-sk was
released after j721s2-common-proc-board but before j784s4-evm?

>  dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dtb
>  


Best regards,
Krzysztof




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