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Subject[PATCH v1 1/2] arm64: dts: imx8mm-evk: correct ldo1/ldo2 voltage range
Date
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.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

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index e5ec832..0f1d7f8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
@@ -208,7 +208,7 @@

ldo1_reg: LDO1 {
regulator-name = "LDO1";
- regulator-min-microvolt = <3000000>;
+ regulator-min-microvolt = <1600000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
@@ -216,7 +216,7 @@

ldo2_reg: LDO2 {
regulator-name = "LDO2";
- regulator-min-microvolt = <900000>;
+ regulator-min-microvolt = <800000>;
regulator-max-microvolt = <900000>;
regulator-boot-on;
regulator-always-on;
--
2.7.4
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