arm64: dts: imx8mm-beacon: Fix voltages on LDO1 and LDO2
authorAdam Ford <aford173@gmail.com>
Tue, 26 May 2020 17:09:39 +0000 (12:09 -0500)
committerShawn Guo <shawnguo@kernel.org>
Thu, 18 Jun 2020 14:35:02 +0000 (22:35 +0800)
LDO1 and LDO2 settings are wrong and case the voltage to go above the
maximum level of 2.15V permitted by the SoC to 3.0V.

This patch is based on work done on the i.MX8M Mini-EVK which utilizes
the same fix.

Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi

index fb0137a..94911b1 100644 (file)
 
                        ldo1_reg: LDO1 {
                                regulator-name = "LDO1";
-                               regulator-min-microvolt = <3000000>;
+                               regulator-min-microvolt = <1600000>;
                                regulator-max-microvolt = <3300000>;
                                regulator-boot-on;
                                regulator-always-on;
 
                        ldo2_reg: LDO2 {
                                regulator-name = "LDO2";
-                               regulator-min-microvolt = <900000>;
+                               regulator-min-microvolt = <800000>;
                                regulator-max-microvolt = <900000>;
                                regulator-boot-on;
                                regulator-always-on;