tegra_clk_register_plle
clk = tegra_clk_register_plle("pll_e", "pll_ref", clk_base, pmc_base,
clk = tegra_clk_register_plle("pll_e", "pll_e_mux", clk_base, pmc_base,
struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,