lkml.org 
[lkml]   [2021]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] ARM: dts: at91: sama5d2_xplained: remove PA11__SDMMC0_VDDSEL from pinctrl
From
Date
On 08/12/2021 at 12:27, Eugen Hristev - M18282 wrote:
> On 12/8/21 1:22 PM, Nicolas Ferre wrote:
>> On 26/10/2021 at 15:20, Eugen Hristev wrote:
>>> From: Mihai Sain <mihai.sain@microchip.com>
>>>
>>> I/O voltage for eMMC is always 3.3V because PA11__SDMMC0_VDDSEL is
>>> tied with 10K resistor to GND. U13 switch S1 is always selected as
>>> voltage rail of 3.3V for VCCQ power pin from MPU controller and eMMC
>>> flash.
>>> Removing PA11 from pinctrl because it remains unused.
>>>
>>> Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
>>
>> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
>
> You can also add my
> Reviewed-by: Eugen Hristev <eugen.hristev@microchip.com>
>
> and also
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> because I sent the patch.

Sure Eugen: Done. Best regards,
Nicolas

>>> ---
>>>   arch/arm/boot/dts/at91-sama5d2_xplained.dts | 5 ++---
>>>   1 file changed, 2 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
>>> b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
>>> index b1e854f658de..9bf2ec0ba3e2 100644
>>> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
>>> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
>>> @@ -66,7 +66,7 @@ sdmmc0: sdio-host@a0000000 {
>>>               pinctrl-names = "default";
>>>               pinctrl-0 = <&pinctrl_sdmmc0_default>;
>>>               non-removable;
>>> -            mmc-ddr-1_8v;
>>> +            mmc-ddr-3_3v;
>>>               status = "okay";
>>>           };
>>> @@ -619,10 +619,9 @@ cmd_data {
>>>                           bias-disable;
>>>                       };
>>> -                    ck_cd_rstn_vddsel {
>>> +                    ck_cd_rstn {
>>>                           pinmux = <PIN_PA0__SDMMC0_CK>,
>>>                                <PIN_PA10__SDMMC0_RSTN>,
>>> -                             <PIN_PA11__SDMMC0_VDDSEL>,
>>>                                <PIN_PA13__SDMMC0_CD>;
>>>                           bias-disable;
>>>                       };
>>>
>>
>>
>


--
Nicolas Ferre

\
 
 \ /
  Last update: 2021-12-08 14:07    [W:0.040 / U:0.500 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site