linux-kernel - Re: [project-aspen-dev] Re: [PATCH 1/3] clk: hisilicon: add hisi phase clock support

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Date:   Thu, 16 Nov 2017 14:47:16 +0800
From:   Shawn Guo <shawn.guo@...aro.org>
To:     Jiancheng Xue <xuejiancheng@...ilicon.com>
Cc:     hermit.wangheming@...ilicon.com, sboyd@...eaurora.org,
        mturquette@...libre.com, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, project-aspen-dev@...aro.org,
        tianshuliang <tianshuliang@...ilicon.com>
Subject: Re: [project-aspen-dev] Re: [PATCH 1/3] clk: hisilicon: add hisi
 phase clock support

On Thu, Nov 16, 2017 at 11:40:18AM +0800, Jiancheng Xue wrote:
> >> +struct clk_hisi_phase {
> >> +	struct clk_hw	hw;
> >> +	void __iomem	*reg;
> >> +	u32		*phase_values;
> >> +	u32		*phase_regs;
> >> +	u8		phase_num;
> > 
> > I do not think this value-reg table is necessary, as the register value
> > maps to phase degree in a way that is easy for programming, i.e. degree
> > increases 45 with register value increases one.
> > 
> We expected that this interface could be more generic. That means it can
> be also used in other maps instances.

Okay, if you think there will be some case using different programming
model, I'm fine with it.

Shawn