ti_prcm_get_hwmod
sc->sc_clk = ti_prcm_get_hwmod(phandle, 0);
hwmod = ti_prcm_get_hwmod(phandle, 0);
clk = ti_prcm_get_hwmod(phandle, index);
struct clk * ti_prcm_get_hwmod(const int, u_int);
clk = ti_prcm_get_hwmod(phandle, 0);