linux-kernel - Re: [PATCH v2 10/14] drivers: clk: st: STiH407: Support for clockgenC0

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Date:	Tue, 1 Jul 2014 14:11:39 +0200
From:	Gabriel Fernandez <gabriel.fernandez@...aro.org>
To:	Mark Rutland <mark.rutland@....com>
Cc:	Gabriel FERNANDEZ <gabriel.fernandez@...com>,
	"mturquette@...aro.org" <mturquette@...aro.org>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"kernel@...inux.com" <kernel@...inux.com>,
	Lee Jones <lee.jones@...aro.org>,
	Olivier Bideau <olivier.bideau@...com>
Subject: Re: [PATCH v2 10/14] drivers: clk: st: STiH407: Support for clockgenC0

On 30 June 2014 11:30, Mark Rutland <mark.rutland@....com> wrote:
> On Fri, Jun 27, 2014 at 02:25:07PM +0100, Gabriel FERNANDEZ wrote:
>> The patch added support for DT registration of ClockGenC0
>> It includes 2 c32 type PLL and a 660 Quadfs.
>>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...aro.org>
>> Signed-off-by: Olivier Bideau <olivier.bideau@...com>
>> Acked-by: Peter Griffin <peter.griffin@...aro.org>
>> ---
>>  drivers/clk/st/clkgen-fsyn.c | 47 ++++++++++++++++++++++++++++++++++++++++++++
>>  drivers/clk/st/clkgen-pll.c  | 32 ++++++++++++++++++++++++++++++
>>  2 files changed, 79 insertions(+)
>>
>> diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
>> index b2b73f4..0e0d5f9 100644
>> --- a/drivers/clk/st/clkgen-fsyn.c
>> +++ b/drivers/clk/st/clkgen-fsyn.c
>> @@ -255,6 +255,49 @@ static const struct clkgen_quadfs_data st_fs660c32_F_416 = {
>>       .get_rate       = clk_fs660c32_dig_get_rate,
>>  };
>>
>> +static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
>> +     .nrst_present = true,
>> +     .nrst   = { CLKGEN_FIELD(0x2f0, 0x1, 0),
>> +                 CLKGEN_FIELD(0x2f0, 0x1, 1),
>> +                 CLKGEN_FIELD(0x2f0, 0x1, 2),
>> +                 CLKGEN_FIELD(0x2f0, 0x1, 3) },
>> +     .npda   = CLKGEN_FIELD(0x2f0, 0x1, 12),
>> +     .nsb    = { CLKGEN_FIELD(0x2f0, 0x1, 8),
>> +                 CLKGEN_FIELD(0x2f0, 0x1, 9),
>> +                 CLKGEN_FIELD(0x2f0, 0x1, 10),
>> +                 CLKGEN_FIELD(0x2f0, 0x1, 11) },
>> +     .nsdiv_present = true,
>> +     .nsdiv  = { CLKGEN_FIELD(0x304, 0x1, 24),
>> +                 CLKGEN_FIELD(0x308, 0x1, 24),
>> +                 CLKGEN_FIELD(0x30c, 0x1, 24),
>> +                 CLKGEN_FIELD(0x310, 0x1, 24) },
>> +     .mdiv   = { CLKGEN_FIELD(0x304, 0x1f, 15),
>> +                 CLKGEN_FIELD(0x308, 0x1f, 15),
>> +                 CLKGEN_FIELD(0x30c, 0x1f, 15),
>> +                 CLKGEN_FIELD(0x310, 0x1f, 15) },
>> +     .en     = { CLKGEN_FIELD(0x2fc, 0x1, 0),
>> +                 CLKGEN_FIELD(0x2fc, 0x1, 1),
>> +                 CLKGEN_FIELD(0x2fc, 0x1, 2),
>> +                 CLKGEN_FIELD(0x2fc, 0x1, 3) },
>> +     .ndiv   = CLKGEN_FIELD(0x2f4, 0x7, 16),
>> +     .pe     = { CLKGEN_FIELD(0x304, 0x7fff, 0),
>> +                 CLKGEN_FIELD(0x308, 0x7fff, 0),
>> +                 CLKGEN_FIELD(0x30c, 0x7fff, 0),
>> +                 CLKGEN_FIELD(0x310, 0x7fff, 0) },
>> +     .sdiv   = { CLKGEN_FIELD(0x304, 0xf, 20),
>> +                 CLKGEN_FIELD(0x308, 0xf, 20),
>> +                 CLKGEN_FIELD(0x30c, 0xf, 20),
>> +                 CLKGEN_FIELD(0x310, 0xf, 20) },
>> +     .lockstatus_present = true,
>> +     .lock_status = CLKGEN_FIELD(0x2A0, 0x1, 24),
>> +     .powerup_polarity = 1,
>> +     .standby_polarity = 1,
>> +     .pll_ops        = &st_quadfs_pll_c32_ops,
>> +     .rtbl           = fs660c32_rtbl,
>> +     .rtbl_cnt       = ARRAY_SIZE(fs660c32_rtbl),
>> +     .get_rate       = clk_fs660c32_dig_get_rate,
>> +};
>> +
>>  /**
>>   * DOC: A Frequency Synthesizer that multiples its input clock by a fixed factor
>>   *
>> @@ -938,6 +981,10 @@ static struct of_device_id quadfs_of_match[] = {
>>               .compatible = "st,stih416-quadfs660-F",
>>               .data = (void *)&st_fs660c32_F_416
>>       },
>> +     {
>> +             .compatible = "st,stih407-quadfs660-C",
>> +             .data = (void *)&st_fs660c32_C_407
>
> Surely a (void*) cast isn't necessary?

Ok

Thanks Mark

Gabriel
>
> Mark.
--
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