OSC_CTRL_OSC_FREQ_13MHZ   22 drivers/clk/tegra/clk-tegra20.c #define OSC_CTRL_OSC_FREQ_13MHZ (0<<30)
OSC_CTRL_OSC_FREQ_13MHZ   23 drivers/clk/tegra/clk-tegra30.c #define OSC_CTRL_OSC_FREQ_13MHZ		(0X0<<28)