Re: [PATCH 1/1] clk:aspeed:Fix AST2600 hpll calculate formula

From: Stephen Boyd
Date: Sun Aug 29 2021 - 00:37:23 EST


Quoting Ryan Chen (2021-08-18 01:05:18)
> AST2600 HPLL calculate formula [SCU200]
> HPLL Numerator(M): have fixed value depend on SCU strap.
> M = SCU500[10] ? 0x5F : SCU500[8] ? 0xBF : SCU200[12:0]
>
> if SCU500[10] = 1, M=0x5F.
> else if SCU500[10]=0 & SCU500[8]=1, M=0xBF.
> others (SCU510[10]=0 and SCU510[8]=0)
> depend on SCU200[12:0] (default 0x8F) register setting.
>
> HPLL Denumerator (N) = SCU200[18:13] (default 0x2)
> HPLL Divider (P) = SCU200[22:19] (default 0x0)
>
> Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx>

Any Fixes tag? Joel, can you review?