This series is based on v4.20-rc1 and most of changes are extracted from series below (clock/scpsys common changes for both MT8183 & MT6765) https://patchwork.kernel.org/patch/10528495/ (clock support of MT8183) https://patchwork.kernel.org/patch/10549891/ The whole series is composed of clock common changes for both MT8183 & MT6765 (PATCH 1-3), scpsys common changes for both MT8183 & MT6765 (PATCH 4), clock support of MT8183 (PATCH 5-8), scpsys support of MT8183 (PATCH 9-11) and resend a clock patch long time ago(PTACH 12). change sinve v2: - refine for implementation consistency of mtk clk mux. - separate the onoff API into enable/disable API for mtk scpsys. - resend a patch about PLL rate changing. changes since v1: - refine for better code quality. - some minor bug fix of clock part, like incorrect control address and missing clocks.