[PATCH v4 09/27] dt-bindings: clock: mediatek: Describe MT8196 clock controllers
Krzysztof Kozlowski
krzk at kernel.org
Wed Aug 6 23:58:11 PDT 2025
On Tue, Aug 05, 2025 at 03:54:29PM +0200, Laura Nao wrote:
> Introduce binding documentation for system clocks, functional clocks,
> and PEXTP0/1 and UFS reset controllers on MediaTek MT8196.
>
> This binding also includes a handle to the hardware voter, a
> fixed-function MCU designed to aggregate votes from the application
> processor and other remote processors to manage clocks and power
> domains.
>
> The HWV on MT8196/MT6991 is incomplete and requires software to manually
> enable power supplies, parent clocks, and FENC, as well as write to both
> the HWV MMIO and the controller registers.
> Because of these constraints, the HWV cannot be modeled using generic
> clock, power domain, or interconnect APIs. Instead, a custom phandle is
> exceptionally used to provide direct, syscon-like register access to
> drivers.
>
> Reviewed-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>
> Co-developed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> Signed-off-by: Laura Nao <laura.nao at collabora.com>
> ---
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
Best regards,
Krzysztof
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