lkml.org 
[lkml]   [2020]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v3 2/2] arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2 voltage range
On Thu, May 21, 2020 at 11:44 PM Robin Gong <yibin.gong@nxp.com> wrote:
>
> Correct ldo1 voltage range from wrong high group(3.0V~3.3V) to low group
> (1.6V~1.9V) because the ldo1 should be 1.8V. Actually, two voltage groups
> have been supported at bd718x7-regulator driver, hence, just corrrect the
> voltage range to 1.6V~3.3V. For ldo2@0.8V, correct voltage range too.
> Otherwise, ldo1 would be kept @3.0V and ldo2@0.9V which violate i.mx8mn
> datasheet as the below warning log in kernel:
>
> [ 0.995524] LDO1: Bringing 1800000uV into 3000000-3000000uV
> [ 0.999196] LDO2: Bringing 800000uV into 900000-900000uV
>
> Fixes: 3e44dd09736d ("arm64: dts: imx8mn-ddr4-evk: Add rohm,bd71847 PMIC support")
> Cc: stable@vger.kernel.org
> Signed-off-by: Robin Gong <yibin.gong@nxp.com>
> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>

Reviewed-by: Fabio Estevam <festevam@gmail.com>

\
 
 \ /
  Last update: 2020-05-22 12:25    [W:0.038 / U:2.300 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site