[U-Boot] [PATCH] arm: samsung: goni: use the driver model for max8998

Jaehoon Chung jh80.chung at samsung.com
Tue Dec 27 23:35:24 CET 2016


Hi,

On 12/27/2016 11:31 PM, Minkyu Kang wrote:
> Hi,
> 
> On 27 December 2016 at 17:33, Jaehoon Chung <jh80.chung at samsung.com> wrote:
> 
>> Remove the "ifndef CONFIG_DM_I2C".
>> Instead, use the driver model for max8998.
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
>> ---
>>  board/samsung/goni/goni.c | 61 ++++++++++++++++++++++++------
>> -----------------
>>  1 file changed, 31 insertions(+), 30 deletions(-)
>>
>> diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
>> index b066832..c1d7438 100644
>> --- a/board/samsung/goni/goni.c
>> +++ b/board/samsung/goni/goni.c
>> @@ -9,6 +9,7 @@
>>  #include <common.h>
>>  #include <asm/gpio.h>
>>  #include <asm/arch/mmc.h>
>> +#include <dm.h>
>>  #include <power/pmic.h>
>>  #include <usb/dwc2_udc.h>
>>  #include <asm/arch/cpu.h>
>> @@ -43,19 +44,6 @@ void i2c_init_board(void)
>>  }
>>  #endif
>>
>> -int power_init_board(void)
>> -{
>> -#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
>> -       /*
>> -        * For PMIC the I2C bus is named as I2C5, but it is connected
>> -        * to logical I2C adapter 0
>> -        */
>> -       return pmic_init(I2C_0);
>> -#else
>> -       return 0;
>> -#endif
>> -}
>> -
>>  int dram_init(void)
>>  {
>>         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
>> @@ -146,34 +134,47 @@ int board_mmc_init(bd_t *bis)
>>  #ifdef CONFIG_USB_GADGET
>>  static int s5pc1xx_phy_control(int on)
>>  {
>> -#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
>> -       int ret;
>> +#ifdef CONFIG_DM_PMIC_MAX8998
>>
> 
> I think, we don't need it.
> What do you think?

Yes, we can remove it. Will remove.

> 
> +       struct udevice *dev;
>>         static int status;
>> -       struct pmic *p = pmic_get("MAX8998_PMIC");
>> -       if (!p)
>> -               return -ENODEV;
>> +       int reg, ret;
>>
>> -       if (pmic_probe(p))
>> -               return -1;
>> +       ret = pmic_get("max8998_pmix", &dev);
>>
> 
> pmix -> typo?

Sorry. "max8998_pmic" is right.
Will fix.

Best Regards,
Jaehoon Chung

> 
> 
>> +       if (ret)
>> +               return ret;
>>
>>         if (on && !status) {
>> -               ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
>> -                                     MAX8998_LDO3, LDO_ON);
>> -               ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
>> -                                     MAX8998_LDO8, LDO_ON);
>> +               reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
>> +               reg |= MAX8998_LDO3;
>> +               ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
>>                 if (ret) {
>>                         puts("MAX8998 LDO setting error!\n");
>> -                       return -1;
>> +                       return -EINVAL;
>> +               }
>> +
>> +               reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
>> +               reg |= MAX8998_LDO8;
>> +               ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
>> +               if (ret) {
>> +                       puts("MAX8998 LDO setting error!\n");
>> +                       return -EINVAL;
>>                 }
>>                 status = 1;
>>         } else if (!on && status) {
>> -               ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
>> -                                     MAX8998_LDO3, LDO_OFF);
>> -               ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
>> -                                     MAX8998_LDO8, LDO_OFF);
>> +               reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
>> +               reg &= ~MAX8998_LDO3;
>> +               ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
>> +               if (ret) {
>> +                       puts("MAX8998 LDO setting error!\n");
>> +                       return -EINVAL;
>> +               }
>> +
>> +               reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
>> +               reg &= ~MAX8998_LDO8;
>> +               ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
>>                 if (ret) {
>>                         puts("MAX8998 LDO setting error!\n");
>> -                       return -1;
>> +                       return -EINVAL;
>>                 }
>>                 status = 0;
>>         }
>> --
>> 2.10.2
>>
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>>
> 
> 
> Thanks,
> 



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