hack: imx8m-ddrc: Set AHB and MAIN_AXI clocks together with DRAM freq (!439) · Merge requests · Librem5 / linux · GitLab

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Martin Kepplinger requested to merge martin.kepplinger/linux-next:add_clocks_to_devfreq into pureos/byzantium Aug 25, 2021

This is what NXP kernels do to achieve low power modes. See https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/soc/imx/busfreq-imx8mq.c?h=imx_5.4.70_2.3.0 and https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8mq.dtsi?h=imx_5.4.70_2.3.0#n267

all credits go to @sebastian.krzyszkowiak as I only cleaned up https://source.puri.sm/Librem5/linux-next/-/merge_requests/434 because of his vacation plans.