Re: [PATCH v3 2/2] arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2 voltage range

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 21, 2020 at 11:44 PM Robin Gong <yibin.gong@xxxxxxx> 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@xxxxxxxxxxxxxxx
> Signed-off-by: Robin Gong <yibin.gong@xxxxxxx>
> Reviewed-by: Dong Aisheng <aisheng.dong@xxxxxxx>

Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux