[U-Boot] [PATCH] power: pmic: tps65218: Fix tps65218_voltage_update function
Keerthy
j-keerthy at ti.com
Thu May 25 13:52:58 UTC 2017
On Thursday 25 May 2017 07:18 PM, Jaehoon Chung wrote:
> On 05/24/2017 01:49 PM, Keerthy wrote:
>> Currently while setting the vsel value for dcdc1 and dcdc2
>> the driver is wrongly masking the entire 8 bits in the process
>> clearing PFM (bit7) field as well. Hence describe an appropriate
>> mask for vsel field and modify only those bits in the vsel
>> mask.
>>
>> Source: http://www.ti.com/lit/ds/symlink/tps65218.pdf
>>
>> Signed-off-by: Keerthy <j-keerthy at ti.com>
>> Fixes: 86db550b38 ("power: Add support for the TPS65218 PMIC")
>
> If delegate to me..i will pick this.
>
> Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>
Thanks Jaehoon Chung.
>
>> ---
>> drivers/power/pmic/pmic_tps65218.c | 2 +-
>> include/power/tps65218.h | 2 ++
>> 2 files changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/power/pmic/pmic_tps65218.c b/drivers/power/pmic/pmic_tps65218.c
>> index f32fa40..c5e768a 100644
>> --- a/drivers/power/pmic/pmic_tps65218.c
>> +++ b/drivers/power/pmic/pmic_tps65218.c
>> @@ -101,7 +101,7 @@ int tps65218_voltage_update(uchar dc_cntrl_reg, uchar volt_sel)
>>
>> /* set voltage level */
>> if (tps65218_reg_write(TPS65218_PROT_LEVEL_2, dc_cntrl_reg, volt_sel,
>> - TPS65218_MASK_ALL_BITS))
>> + TPS65218_DCDC_VSEL_MASK))
>> return 1;
>>
>> /* set GO bit to initiate voltage transition */
>> diff --git a/include/power/tps65218.h b/include/power/tps65218.h
>> index 4d68faa..e3538e2 100644
>> --- a/include/power/tps65218.h
>> +++ b/include/power/tps65218.h
>> @@ -56,6 +56,8 @@ enum {
>>
>> #define TPS65218_MASK_ALL_BITS 0xFF
>>
>> +#define TPS65218_DCDC_VSEL_MASK 0x3F
>> +
>> #define TPS65218_DCDC_VOLT_SEL_0950MV 0x0a
>> #define TPS65218_DCDC_VOLT_SEL_1100MV 0x19
>> #define TPS65218_DCDC_VOLT_SEL_1200MV 0x23
>>
>
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