soc: mediatek: mtk-dvfsrc: Add support for DVFSRCv4 and MT8196

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Add support for the DVFSRC Version 4 by adding new functions for
vcore/dram levels (in v4, called gears instead), and for readout
of pre-programmed dvfsrc_opp entries, corresponding to each gear.

In the probe function, for v4, the curr_opps is initialized from
the get_hw_opps() function instead of platform data.

In order to make use of the new DVFSRCv4 code, also add support
for the MediaTek MT8196 SoC.

Co-developed-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

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AngeloGioacchino Del Regno 2025-11-24 12:06:57 +01:00

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drivers/soc/mediatek/mtk-dvfsrc.c

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