PRSC2_CLK_CFG
clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl,
clk = clk_register_gpt("gpt3_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG,