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PRCI module within SiFive SoC's has register with which we can reset the sub-systems within the SoC. The resets to DDR and ethernet sub systems within FU540-C000 SoC are active low, and are hold low by default on power-up. Currently these are directly asserted within prci driver via register read/write. With the DM based reset driver support here, we bind the reset driver with clock (prci) driver and assert the reset signals of both sub-system's appropriately. Signed-off-by: Sagar Shrikant Kadam <sagar.kadam@sifive.com> Reviewed-by: Pragnesh Patel <Pragnesh.patel@sifive.com> Reviewed-by: Bin Meng <bin.meng@windriver.com> Tested-by: Bin Meng <bin.meng@windriver.com>