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[PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice

Started byVaibhav Hiremath <vaibhav.hiremath@linaro.org>
First post2015-08-24 21:00 +0200
Last post2015-08-25 10:40 +0200
Articles 5 — 3 participants

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  [PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice Vaibhav Hiremath <vaibhav.hiremath@linaro.org> - 2015-08-24 21:00 +0200
    Re: [PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2015-08-25 07:30 +0200
      Re: [PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice Lee Jones <lee.jones@linaro.org> - 2015-08-25 10:00 +0200
        Re: [PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice Vaibhav Hiremath <vaibhav.hiremath@linaro.org> - 2015-08-25 10:40 +0200
      Re: [PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice Vaibhav Hiremath <vaibhav.hiremath@linaro.org> - 2015-08-25 10:40 +0200

#1212426 — [PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice

FromVaibhav Hiremath <vaibhav.hiremath@linaro.org>
Date2015-08-24 21:00 +0200
Subject[PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice
Message-ID<q158m-7Qs-21@gated-at.bofh.it>
This patch adds mfd_cell/clk-subdevice for 88PM800 MFD
(and family of devices).

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
---
 drivers/mfd/88pm800.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index c4e097d..a928eed 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -173,6 +173,14 @@ static const struct mfd_cell regulator_devs[] = {
 	},
 };
 
+static struct mfd_cell clk_devs[] = {
+	{
+		.name = "88pm80x-clk",
+		.of_compatible = "marvell,88pm800-clk",
+		.id = -1,
+	},
+};
+
 static const struct regmap_irq pm800_irqs[] = {
 	/* INT0 */
 	[PM800_IRQ_ONKEY] = {
@@ -344,6 +352,17 @@ static int device_regulator_init(struct pm80x_chip *chip)
 			ARRAY_SIZE(regulator_devs), NULL, 0, NULL);
 }
 
+static int device_clk_init(struct pm80x_chip *chip)
+{
+	if (chip->type == CHIP_PM800)
+		clk_devs[0].name = "88pm800-clk";
+	else if (chip->type == CHIP_PM860)
+		clk_devs[0].name = "88pm860-clk";
+
+	return mfd_add_devices(chip->dev, 0, &clk_devs[0],
+			ARRAY_SIZE(clk_devs), NULL, 0, NULL);
+}
+
 static int device_irq_init_800(struct pm80x_chip *chip)
 {
 	struct regmap *map = chip->regmap;
@@ -511,6 +530,12 @@ static int device_800_init(struct pm80x_chip *chip)
 		goto out;
 	}
 
+	ret = device_clk_init(chip);
+	if (ret) {
+		dev_err(chip->dev, "Failed to add clk subdev\n");
+		goto out;
+	}
+
 	return 0;
 out_dev:
 	mfd_remove_devices(chip->dev);
-- 
1.9.1

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#1212698

FromKrzysztof Kozlowski <k.kozlowski@samsung.com>
Date2015-08-25 07:30 +0200
Message-ID<q1eY1-5rL-11@gated-at.bofh.it>
In reply to#1212426
On 25.08.2015 03:56, Vaibhav Hiremath wrote:
> This patch adds mfd_cell/clk-subdevice for 88PM800 MFD
> (and family of devices).
> 
> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
> ---
>  drivers/mfd/88pm800.c | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
> index c4e097d..a928eed 100644
> --- a/drivers/mfd/88pm800.c
> +++ b/drivers/mfd/88pm800.c
> @@ -173,6 +173,14 @@ static const struct mfd_cell regulator_devs[] = {
>  	},
>  };
>  
> +static struct mfd_cell clk_devs[] = {
> +	{
> +		.name = "88pm80x-clk",
> +		.of_compatible = "marvell,88pm800-clk",
> +		.id = -1,

The "-1" here stands for PLATFORM_DEVID_NONE?

Best regards,
Krzysztof

> +	},
> +};
> +
>  static const struct regmap_irq pm800_irqs[] = {
>  	/* INT0 */
>  	[PM800_IRQ_ONKEY] = {
> @@ -344,6 +352,17 @@ static int device_regulator_init(struct pm80x_chip *chip)
>  			ARRAY_SIZE(regulator_devs), NULL, 0, NULL);
>  }
>  
> +static int device_clk_init(struct pm80x_chip *chip)
> +{
> +	if (chip->type == CHIP_PM800)
> +		clk_devs[0].name = "88pm800-clk";
> +	else if (chip->type == CHIP_PM860)
> +		clk_devs[0].name = "88pm860-clk";
> +
> +	return mfd_add_devices(chip->dev, 0, &clk_devs[0],
> +			ARRAY_SIZE(clk_devs), NULL, 0, NULL);
> +}
> +
>  static int device_irq_init_800(struct pm80x_chip *chip)
>  {
>  	struct regmap *map = chip->regmap;
> @@ -511,6 +530,12 @@ static int device_800_init(struct pm80x_chip *chip)
>  		goto out;
>  	}
>  
> +	ret = device_clk_init(chip);
> +	if (ret) {
> +		dev_err(chip->dev, "Failed to add clk subdev\n");
> +		goto out;
> +	}
> +
>  	return 0;
>  out_dev:
>  	mfd_remove_devices(chip->dev);
> 

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#1212778

FromLee Jones <lee.jones@linaro.org>
Date2015-08-25 10:00 +0200
Message-ID<q1hjc-cQ-3@gated-at.bofh.it>
In reply to#1212698
On Tue, 25 Aug 2015, Krzysztof Kozlowski wrote:

> On 25.08.2015 03:56, Vaibhav Hiremath wrote:
> > This patch adds mfd_cell/clk-subdevice for 88PM800 MFD
> > (and family of devices).
> > 
> > Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
> > ---
> >  drivers/mfd/88pm800.c | 25 +++++++++++++++++++++++++
> >  1 file changed, 25 insertions(+)
> > 
> > diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
> > index c4e097d..a928eed 100644
> > --- a/drivers/mfd/88pm800.c
> > +++ b/drivers/mfd/88pm800.c
> > @@ -173,6 +173,14 @@ static const struct mfd_cell regulator_devs[] = {
> >  	},
> >  };
> >  
> > +static struct mfd_cell clk_devs[] = {
> > +	{
> > +		.name = "88pm80x-clk",
> > +		.of_compatible = "marvell,88pm800-clk",
> > +		.id = -1,
> 
> The "-1" here stands for PLATFORM_DEVID_NONE?

Right.  Please use the define, but use it in the mfd_add_devices()
call, rather than individual cells.

> > +	},
> > +};
> > +
> >  static const struct regmap_irq pm800_irqs[] = {
> >  	/* INT0 */
> >  	[PM800_IRQ_ONKEY] = {
> > @@ -344,6 +352,17 @@ static int device_regulator_init(struct pm80x_chip *chip)
> >  			ARRAY_SIZE(regulator_devs), NULL, 0, NULL);
> >  }
> >  
> > +static int device_clk_init(struct pm80x_chip *chip)
> > +{
> > +	if (chip->type == CHIP_PM800)
> > +		clk_devs[0].name = "88pm800-clk";
> > +	else if (chip->type == CHIP_PM860)
> > +		clk_devs[0].name = "88pm860-clk";
> > +
> > +	return mfd_add_devices(chip->dev, 0, &clk_devs[0],
> > +			ARRAY_SIZE(clk_devs), NULL, 0, NULL);
> > +}
> > +
> >  static int device_irq_init_800(struct pm80x_chip *chip)
> >  {
> >  	struct regmap *map = chip->regmap;
> > @@ -511,6 +530,12 @@ static int device_800_init(struct pm80x_chip *chip)
> >  		goto out;
> >  	}
> >  
> > +	ret = device_clk_init(chip);
> > +	if (ret) {
> > +		dev_err(chip->dev, "Failed to add clk subdev\n");
> > +		goto out;
> > +	}
> > +
> >  	return 0;
> >  out_dev:
> >  	mfd_remove_devices(chip->dev);
> > 
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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#1212841

FromVaibhav Hiremath <vaibhav.hiremath@linaro.org>
Date2015-08-25 10:40 +0200
Message-ID<q1hVV-1br-27@gated-at.bofh.it>
In reply to#1212778

On Tuesday 25 August 2015 01:19 PM, Lee Jones wrote:
> On Tue, 25 Aug 2015, Krzysztof Kozlowski wrote:
>
>> On 25.08.2015 03:56, Vaibhav Hiremath wrote:
>>> This patch adds mfd_cell/clk-subdevice for 88PM800 MFD
>>> (and family of devices).
>>>
>>> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
>>> ---
>>>   drivers/mfd/88pm800.c | 25 +++++++++++++++++++++++++
>>>   1 file changed, 25 insertions(+)
>>>
>>> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
>>> index c4e097d..a928eed 100644
>>> --- a/drivers/mfd/88pm800.c
>>> +++ b/drivers/mfd/88pm800.c
>>> @@ -173,6 +173,14 @@ static const struct mfd_cell regulator_devs[] = {
>>>   	},
>>>   };
>>>
>>> +static struct mfd_cell clk_devs[] = {
>>> +	{
>>> +		.name = "88pm80x-clk",
>>> +		.of_compatible = "marvell,88pm800-clk",
>>> +		.id = -1,
>>
>> The "-1" here stands for PLATFORM_DEVID_NONE?
>
> Right.  Please use the define, but use it in the mfd_add_devices()
> call, rather than individual cells.
>

Ok,

Thanks,
Vaibhav
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#1212833

FromVaibhav Hiremath <vaibhav.hiremath@linaro.org>
Date2015-08-25 10:40 +0200
Message-ID<q1hVV-1br-15@gated-at.bofh.it>
In reply to#1212698

On Tuesday 25 August 2015 10:55 AM, Krzysztof Kozlowski wrote:
> On 25.08.2015 03:56, Vaibhav Hiremath wrote:
>> This patch adds mfd_cell/clk-subdevice for 88PM800 MFD
>> (and family of devices).
>>
>> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
>> ---
>>   drivers/mfd/88pm800.c | 25 +++++++++++++++++++++++++
>>   1 file changed, 25 insertions(+)
>>
>> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
>> index c4e097d..a928eed 100644
>> --- a/drivers/mfd/88pm800.c
>> +++ b/drivers/mfd/88pm800.c
>> @@ -173,6 +173,14 @@ static const struct mfd_cell regulator_devs[] = {
>>   	},
>>   };
>>
>> +static struct mfd_cell clk_devs[] = {
>> +	{
>> +		.name = "88pm80x-clk",
>> +		.of_compatible = "marvell,88pm800-clk",
>> +		.id = -1,
>
> The "-1" here stands for PLATFORM_DEVID_NONE?
>

Yes,

But it is rarely used in the kernel. so was reluctant to use and
decided to follow existing implementation.

Thanks,
Vaibhav
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