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krzk

Krzysztof Kozlowski

Edited 5 months ago
Looking at Devicetree sources changes (DTS) could give some insight into which ARM64 platforms are the most active. DTS represents the real hardware, thus any new hardware-block for an existing SoC, new SoC or new board, require new DTS changes. It's an approximation, easy to measure and still quite informative. Let's take a look - the most developed ARM64 platforms in the upstream Linux kernel since last LTS (v6.1):

$ git diff --dirstat=changes,1 v6.1..v6.6 -- arch/arm64/boot/dts/ | sort -nr
44.6% arch/arm64/boot/dts/qcom/
12.2% arch/arm64/boot/dts/ti/
10.4% arch/arm64/boot/dts/freescale/
10.1% arch/arm64/boot/dts/rockchip/
5.0% arch/arm64/boot/dts/nvidia/
4.3% arch/arm64/boot/dts/mediatek/
3.9% arch/arm64/boot/dts/renesas/
3.5% arch/arm64/boot/dts/apple/
3.4% (the rest)
2.2% arch/arm64/boot/dts/amlogic/

Almost 45% of all changes to ARM64-related hardware in the upstream kernel were for Qualcomm SoCs and boards. That's quite a stunning number.
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