Re: [PATCH 2/2] clk: rockchip: add special approximation to fix up fractional clk's jitter
From: Heiko Stuebner
Date: Tue Aug 08 2017 - 11:58:48 EST
Am Dienstag, 1. August 2017, 18:22:24 CEST schrieb Heiko Stuebner:
> From: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx>
>
> From Rockchips fractional divider description:
> 3.1.9 Fractional divider usage
> To get specific frequency, clocks of I2S, SPDIF, UARTcan be generated by
> fractional divider. Generally you must set that denominator is 20 times
> larger than numerator to generate precise clock frequency. So the
> fractional divider applies only to generate low frequency clock like
> I2S, UART.
>
> Therefore add a special approximation function that handles this
> special requirement.
>
> Signed-off-by: Elaine Zhang <zhangqing@xxxxxxxxxxxxxx>
applied for 4.14
Heiko