[PATCH v3 0/4] arm64: dts: exynos: add initial support for Samsung Galaxy S22+
Krzysztof Kozlowski
krzk at kernel.org
Wed Apr 16 00:20:23 PDT 2025
On 21/03/2025 15:55, Ivaylo Ivanov wrote:
> Hey folks,
>
> This patchset adds device tree files for Exynos 2200 and Samsung
> Galaxy S22+.
>
> Exynos 2200 SoC is an ARMv8 mobile SoC found in the Samsung Galaxy S22
> (r0s), S22+ (g0s), S22 Ultra (b0s) Add minimal support for that SoC,
> including psci, pmu, chipid, architecture timer and mct, pinctrl,
> clocks and usb.
>
> The devices using this SoC suffer from an issue caused by the stock
> Samsung bootloader, as it doesn't configure CNTFRQ_EL0. Hence it's
> needed to hardcode the adequate frequency in the timer node,
> otherwise the kernel panics.
>
> Another issue is that cpu2 and cpu3 fail to come up consistently, which
> leads to a hang later in the boot process. As A510 cores are clustered
> by two, it makes sense for both of these cpus to fail if there is a
> power issue. Disable them until the problem is figured out.
>
> Samsung Galaxy S22+ (SM-S906B), codenamed g0s, is a mobile phone from
> 2022. It features 8GB RAM, 128/256GB UFS 3.1, Exynos 2200 SoC and a
> 1080x2340 Dynamic AMOLED display.
>
> Further platform support will be added over time.
>
> I expect [1], [2] and [3] to be merged in next before this patchset
> because it depends on the aforementioned series for drivers and device
> tree bindings.
Please document dependencies at the top - this is the most important
part of cover letter.
Ping me when dependencies get merged.
Best regards,
Krzysztof
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