OSC_CTRL_OSC_FREQ_12MHZ   24 drivers/clk/tegra/clk-tegra20.c #define OSC_CTRL_OSC_FREQ_12MHZ (2<<30)
OSC_CTRL_OSC_FREQ_12MHZ   25 drivers/clk/tegra/clk-tegra30.c #define OSC_CTRL_OSC_FREQ_12MHZ		(0X8<<28)