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From: Qing Xu <qingx@marvell.com>
To: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
	Grant Likely <grant.likely@secretlab.ca>,
	Rob Herring <rob.herring@calxeda.com>,
	Qiao Zhou <zhouqiao@marvell.com>, Chao Xie <cxie4@marvell.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mfd: 88pm80x: add dt support
Date: Wed, 05 Dec 2012 13:43:26 +0800	[thread overview]
Message-ID: <50BEDEFE.1090800@marvell.com> (raw)
In-Reply-To: <CAN1soZzZ-XB2P9Hp=dc3pr9+iHAUFvYh36yt8TEx5VT9kFTYzQ@mail.gmail.com>

On 12/05/2012 10:28 AM, Haojian Zhuang wrote:
> On Wed, Dec 5, 2012 at 10:23 AM, Qing Xu <qingx@marvell.com> wrote:
>> From: Qing Xu <qingx@marvell.com>
>>
>> add dt support for 88pm800 and 88pm805
>>
>> Signed-off-by: Qing Xu <qingx@marvell.com>
>> ---
>>   drivers/mfd/88pm800.c       |   26 +++++++++++++++++++++++---
>>   drivers/mfd/88pm805.c       |   26 +++++++++++++++++++++++---
>>   drivers/mfd/88pm80x.c       |   32 ++++++++++++++++++++++++++++++++
>>   include/linux/mfd/88pm80x.h |    3 +++
>>   4 files changed, 81 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
>> index 3fcc8dd..20b67d7 100644
>> --- a/drivers/mfd/88pm800.c
>> +++ b/drivers/mfd/88pm800.c
>> @@ -506,6 +506,22 @@ static int __devinit pm800_probe(struct i2c_client *client,
>>          struct pm80x_chip *chip;
>>          struct pm80x_platform_data *pdata = client->dev.platform_data;
>>          struct pm80x_subchip *subchip;
>> +       struct device_node *node = client->dev.of_node;
>> +
>> +       if (node && !pdata) {
>> +               /* parse DT to get platform data */
>> +               pdata = devm_kzalloc(&client->dev,
>> +                                    sizeof(struct pm80x_platform_data),
>> +                                    GFP_KERNEL);
>> +               if (!pdata)
>> +                       return -ENOMEM;
>> +               ret = pm80x_dt_init(node, &client->dev, pdata);
>> +               if (ret)
>> +                       return -EINVAL;
>> +       } else if (!pdata) {
>> +               pr_info("No platform data in %s!\n", __func__);
>> +               return -EINVAL;
>> +       }
>>
>>          ret = pm80x_init(client, id);
>>          if (ret) {
>> @@ -540,9 +556,6 @@ static int __devinit pm800_probe(struct i2c_client *client,
>>                  goto err_800_init;
>>          }
>>
>> -       if (pdata->plat_config)
>> -               pdata->plat_config(chip, pdata);
>> -
>>          return 0;
>>
>>   err_800_init:
>> @@ -570,11 +583,18 @@ static int __devexit pm800_remove(struct i2c_client *client)
>>          return 0;
>>   }
>>
>> +static const struct of_device_id pm800_dt_ids[] = {
>> +       { .compatible = "marvell,88pm800", },
>> +       {},
>> +};
>> +MODULE_DEVICE_TABLE(of, pm800_dt_ids);
>> +
>>   static struct i2c_driver pm800_driver = {
>>          .driver = {
>>                  .name = "88PM800",
>>                  .owner = THIS_MODULE,
>>                  .pm = &pm80x_pm_ops,
>> +               .of_match_table = of_match_ptr(pm800_dt_ids),
>>                  },
>>          .probe = pm800_probe,
>>          .remove = __devexit_p(pm800_remove),
>> diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
>> index 39a91bd..b0fb3ff 100644
>> --- a/drivers/mfd/88pm805.c
>> +++ b/drivers/mfd/88pm805.c
>> @@ -239,6 +239,22 @@ static int __devinit pm805_probe(struct i2c_client *client,
>>          int ret = 0;
>>          struct pm80x_chip *chip;
>>          struct pm80x_platform_data *pdata = client->dev.platform_data;
>> +       struct device_node *node = client->dev.of_node;
>> +
>> +       if (node && !pdata) {
>> +               /* parse DT to get platform data */
>> +               pdata = devm_kzalloc(&client->dev,
>> +                                    sizeof(struct pm80x_platform_data),
>> +                                    GFP_KERNEL);
>> +               if (!pdata)
>> +                       return -ENOMEM;
>> +               ret = pm80x_dt_init(node, &client->dev, pdata);
>> +               if (ret)
>> +                       return -EINVAL;
>> +       } else if (!pdata) {
>> +               pr_info("No platform data in %s!\n", __func__);
>> +               return -EINVAL;
>> +       }
>>
>>          ret = pm80x_init(client, id);
>>          if (ret) {
>> @@ -254,9 +270,6 @@ static int __devinit pm805_probe(struct i2c_client *client,
>>                  goto err_805_init;
>>          }
>>
>> -       if (pdata->plat_config)
>> -               pdata->plat_config(chip, pdata);
>> -
>>          return 0;
>>
>>   err_805_init:
>> @@ -277,11 +290,18 @@ static int __devexit pm805_remove(struct i2c_client *client)
>>          return 0;
>>   }
>>
>> +static const struct of_device_id pm805_dt_ids[] = {
>> +       { .compatible = "marvell,88pm805", },
>> +       {},
>> +};
>> +MODULE_DEVICE_TABLE(of, pm805_dt_ids);
>> +
>>   static struct i2c_driver pm805_driver = {
>>          .driver = {
>>                  .name = "88PM805",
>>                  .owner = THIS_MODULE,
>>                  .pm = &pm80x_pm_ops,
>> +               .of_match_table = of_match_ptr(pm805_dt_ids),
>>                  },
>>          .probe = pm805_probe,
>>          .remove = __devexit_p(pm805_remove),
>> diff --git a/drivers/mfd/88pm80x.c b/drivers/mfd/88pm80x.c
>> index 1adb355..bd59202 100644
>> --- a/drivers/mfd/88pm80x.c
>> +++ b/drivers/mfd/88pm80x.c
>> @@ -111,6 +111,38 @@ int pm80x_deinit(struct i2c_client *client)
>>   }
>>   EXPORT_SYMBOL_GPL(pm80x_deinit);
>>
>> +int pm80x_dt_init(struct device_node *np,
>> +                                   struct device *dev,
>> +                                   struct pm80x_platform_data *pdata)
>> +{
>> +       int ret;
>> +       ret = of_property_read_u32(np, "marvell,88pm80x-irqmode",
>> +                                  &pdata->irq_mode);
>> +       if (ret) {
>> +               dev_err(dev, "Not found \"marvell,88pm80x-irqmode\" "
>> +                       "property\n");
>> +               return -EINVAL;
>> +       }
>> +
>> +       ret = of_property_read_u32(np, "marvell,88pm80x-poweraddr",
>> +                                  (u32*)(&pdata->power_page_addr));
>> +       if (ret) {
>> +               dev_err(dev, "Not found \"marvell,88pm80x-poweraddr\" "
>> +                       "property\n");
>> +               return -EINVAL;
>> +       }
>> +
>> +       ret = of_property_read_u32(np, "marvell,88pm80x-gpadcaddr",
>> +                                  (u32*)(&pdata->gpadc_page_addr));
>> +       if (ret) {
>> +               dev_err(dev, "Not found \"marvell,88pm80x-gpadcaddr\" "
>> +                       "property\n");
>> +               return -EINVAL;
>> +       }
>> +       return 0;
>> +}
>> +EXPORT_SYMBOL_GPL(pm80x_dt_init);
>> +
>>   #ifdef CONFIG_PM_SLEEP
>>   static int pm80x_suspend(struct device *dev)
>>   {
>> diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h
>> index 904efb9..153f492 100644
>> --- a/include/linux/mfd/88pm80x.h
>> +++ b/include/linux/mfd/88pm80x.h
>> @@ -367,4 +367,7 @@ static inline int pm80x_dev_resume(struct device *dev)
>>   extern int pm80x_init(struct i2c_client *client,
>>                               const struct i2c_device_id *id) __devinit;
>>   extern int pm80x_deinit(struct i2c_client *client);
>> +extern int pm80x_dt_init(struct device_node *np,
>> +                                               struct device *dev,
>> +                                               struct pm80x_platform_data *pdata);
>>   #endif /* __LINUX_MFD_88PM80X_H */
>> --
>> 1.7.0.4
>>
> Document?

Thanks for review! I update doc in the 2nd patch. Please help to review 
again.


  reply	other threads:[~2012-12-05  5:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-05  2:23 [PATCH] mfd: 88pm80x: add dt support Qing Xu
2012-12-05  2:28 ` Haojian Zhuang
2012-12-05  5:43   ` Qing Xu [this message]
  -- strict thread matches above, loose matches on Subject: below --
2012-12-06  1:55 Qing Xu

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