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Re: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of of_platform_populate

Started byLee Jones <lee.jones@linaro.org>
First post2016-06-08 18:00 +0200
Last post2016-06-08 18:20 +0200
Articles 2 — 2 participants

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  Re: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of  of_platform_populate Lee Jones <lee.jones@linaro.org> - 2016-06-08 18:00 +0200
    Re: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of  of_platform_populate Keerthy <a0393675@ti.com> - 2016-06-08 18:20 +0200

#1417608 — Re: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of of_platform_populate

FromLee Jones <lee.jones@linaro.org>
Date2016-06-08 18:00 +0200
SubjectRe: [PATCH 3/8] mfd: tps65218: Use mfd_add_devices instead of of_platform_populate
Message-ID<rHO3J-24Z-13@gated-at.bofh.it>
On Wed, 11 May 2016, Keerthy wrote:

> mfd_add_devices enables parsing device tree nodes without compatibles
> for child nodes. Replace of_platform_populate with mfd_add_devices.
> 
> Signed-off-by: Keerthy <j-keerthy@ti.com>
> ---
>  drivers/mfd/tps65218.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
> index f20a531..b8b3a58 100644
> --- a/drivers/mfd/tps65218.c
> +++ b/drivers/mfd/tps65218.c
> @@ -33,6 +33,10 @@
>  
>  #define TPS65218_PASSWORD_REGS_UNLOCK   0x7D
>  
> +static const struct mfd_cell tps65218_cells[] = {
> +	{ .name = "tps65218-regulator", },
> +};

What other devices does the TPS65218 consist of?

>  /**
>   * tps65218_reg_write: Write a single tps65218 register.
>   *
> @@ -236,8 +240,10 @@ static int tps65218_probe(struct i2c_client *client,
>  	if (ret < 0)
>  		return ret;
>  
> -	ret = of_platform_populate(client->dev.of_node, NULL, NULL,
> -				   &client->dev);
> +	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65218_cells,
> +			      ARRAY_SIZE(tps65218_cells), NULL, 0,
> +			      regmap_irq_get_domain(tps->irq_data));
> +
>  	if (ret < 0)
>  		goto err_irq;
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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#1417638

FromKeerthy <a0393675@ti.com>
Date2016-06-08 18:20 +0200
Message-ID<rHOmZ-2r3-5@gated-at.bofh.it>
In reply to#1417608

On Wednesday 08 June 2016 09:20 PM, Lee Jones wrote:
> On Wed, 11 May 2016, Keerthy wrote:
>
>> mfd_add_devices enables parsing device tree nodes without compatibles
>> for child nodes. Replace of_platform_populate with mfd_add_devices.
>>
>> Signed-off-by: Keerthy <j-keerthy@ti.com>
>> ---
>>   drivers/mfd/tps65218.c | 10 ++++++++--
>>   1 file changed, 8 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
>> index f20a531..b8b3a58 100644
>> --- a/drivers/mfd/tps65218.c
>> +++ b/drivers/mfd/tps65218.c
>> @@ -33,6 +33,10 @@
>>
>>   #define TPS65218_PASSWORD_REGS_UNLOCK   0x7D
>>
>> +static const struct mfd_cell tps65218_cells[] = {
>> +	{ .name = "tps65218-regulator", },
>> +};
>
> What other devices does the TPS65218 consist of?

As of now only regulators driver is in kernel. The PMIC contains
a bunch of GPIOs, Over temperature warning / shutdown unit.

>
>>   /**
>>    * tps65218_reg_write: Write a single tps65218 register.
>>    *
>> @@ -236,8 +240,10 @@ static int tps65218_probe(struct i2c_client *client,
>>   	if (ret < 0)
>>   		return ret;
>>
>> -	ret = of_platform_populate(client->dev.of_node, NULL, NULL,
>> -				   &client->dev);
>> +	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65218_cells,
>> +			      ARRAY_SIZE(tps65218_cells), NULL, 0,
>> +			      regmap_irq_get_domain(tps->irq_data));
>> +
>>   	if (ret < 0)
>>   		goto err_irq;
>>
>

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