linux-kernel - Re: [PATCH v3 1/2] arm64: dts: imx8mm-evk: correct ldo1/ldo2 voltage range

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Date:   Thu, 18 Jun 2020 15:34:24 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Robin Gong <yibin.gong@....com>
Cc:     robh+dt@...nel.org, s.hauer@...gutronix.de, festevam@...il.com,
        anson.huang@....com, peng.fan@....com, leonard.crestez@....com,
        aisheng.dong@....com, kernel@...gutronix.de,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-imx@....com
Subject: Re: [PATCH v3 1/2] arm64: dts: imx8mm-evk: correct ldo1/ldo2 voltage
 range

On Fri, May 22, 2020 at 06:44:50PM +0800, Robin Gong 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@...V, correct voltage range too.
> Otherwise, ldo1 would be kept @3.0V and ldo2@...V which violate i.mx8mm
> 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: 78cc25fa265d ("arm64: dts: imx8mm-evk: Add BD71847 PMIC")
> Cc: stable@...r.kernel.org
> Signed-off-by: Robin Gong <yibin.gong@....com>
> Reviewed-by: Dong Aisheng <aisheng.dong@....com>

Applied both, thanks.