On 09/28, Abhishek Sahu wrote: > Some of the Alpha PLL’s support dynamic update in which the > frequency can be changed dynamically without turning off the PLL. > > This dynamic update requires the following sequence > > 1. Write the desired values to pll_l_val and pll_alpha_val > 2. Toggle pll_latch_input from low to high > 3. Wait for pll_ack_latch to transition from low to high > The new L and alpha values have been latched. It make > take some time for the PLL to fully settle with these > new values > 4. Pull pll_latch_input low > > Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx> > Signed-off-by: Taniya Das <tdas@xxxxxxxxxxxxxx> > Signed-off-by: Abhishek Sahu <absahu@xxxxxxxxxxxxxx> > --- Applied to clk-next -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
