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krzk

Krzysztof Kozlowski

Edited 11 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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