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>