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SubjectRE: [linux-keystone] Re: [PATCH 01/13] clk: davinci - add Main PLL clock driver
Date
>> -----Original Message-----
>> From: Linus Walleij [mailto:linus.walleij@linaro.org]
>> Sent: Thursday, September 27, 2012 9:20 AM
>> To: Karicheri, Muralidharan
>> Cc: mturquette@linaro.org; arnd@arndb.de; akpm@linux-foundation.org;
>> shawn.guo@linaro.org; rob.herring@calxeda.com; viresh.linux@gmail.com; linux-
>> kernel@vger.kernel.org; Nori, Sekhar; Hilman, Kevin; linux@arm.linux.org.uk; davinci-
>> linux-open-source@linux.davincidsp.com; linux-arm-kernel@lists.infradead.org; linux-
>> keystone@list.ti.com - Linux developers for Keystone family of devices (May contain non-
>> TIers); linux-c6x-dev@linux-c6x.org; Chemparathy, Cyril
>> Subject: [linux-keystone] Re: [PATCH 01/13] clk: davinci - add Main PLL clock driver
>>
>> On Wed, Sep 26, 2012 at 8:07 PM, Murali Karicheri <m-karicheri2@ti.com> wrote:
>>
>> > +struct clk_davinci_pll_data {
>> > + /* physical addresses set by platform code */
>> > + u32 phy_pllm;
>> > + /* if PLL has a prediv register this should be non zero */
>> > + u32 phy_prediv;
>> > + /* if PLL has a postdiv register this should be non zero */
>> > + u32 phy_postdiv;
>> > + /* mapped addresses. should be initialized by */
>> > + void __iomem *pllm;
>> > + void __iomem *prediv;
>> > + void __iomem *postdiv;
>> > + u32 pllm_mask;
>> > + u32 prediv_mask;
>> > + u32 postdiv_mask;
>> > + u32 num;
>> > + /* framework flags */
>> > + u32 flags;
>> > + /* pll flags */
>> > + u32 pll_flags;
>> > + /* use this value for prediv */
>> > + u32 fixed_prediv;
>> > + /* multiply PLLM by this factor. By default most SOC set this to zero
>> > + * that translates to a multiplier of 1 and incrementer of 1.
>> > + * To override default, set this factor
>> > + */
>> > + u32 pllm_multiplier;
>> > +};
>> > +
>>
>> No, that's not what I meant.
>>
>> I meant like this:
>>
>> /**
>> * struct clk_davinci_pll_data - struct holding the PLL data
>> * phy_pllm: physical addresses set by platform code
>> * phy_prediv: ...
>> (...)
>> */
>> struct clk_davinci_pll_data {
>> u32 phy_pllm;
>> u32 phy_prediv;
>> (...)
>> };
>>
Ok. Will do in the next revision.

Murali Karicheri
Software Design Engineer

>> Yours,
>> Linus Walleij


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