arm64: dts: imx8mn-evk: fix the min/max voltages of the PMIC

Use the proper voltages as supported by the board instead of the ones
supported by the PMIC. The voltages were taken from both the schematic
of the 8MNANOLPD4-EVK eval board and the datasheet of the IMX8MN SoC.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
index 2b685c0..4eb467d 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
@@ -42,8 +42,8 @@
                regulators {
                        buck1: BUCK1{
                                regulator-name = "VDD_SOC";
-                               regulator-min-microvolt = <600000>;
-                               regulator-max-microvolt = <2187500>;
+                               regulator-min-microvolt = <850000>;
+                               regulator-max-microvolt = <950000>;
                                regulator-boot-on;
                                regulator-always-on;
                                regulator-ramp-delay = <3125>;
@@ -51,8 +51,8 @@
 
                        buck2: BUCK2 {
                                regulator-name = "VDD_ARM_0V9";
-                               regulator-min-microvolt = <600000>;
-                               regulator-max-microvolt = <2187500>;
+                               regulator-min-microvolt = <850000>;
+                               regulator-max-microvolt = <1000000>;
                                regulator-boot-on;
                                regulator-always-on;
                                regulator-ramp-delay = <3125>;
@@ -62,32 +62,32 @@
 
                        buck4: BUCK4{
                                regulator-name = "VDD_3V3";
-                               regulator-min-microvolt = <600000>;
-                               regulator-max-microvolt = <3400000>;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };
 
                        buck5: BUCK5{
                                regulator-name = "VDD_1V8";
-                               regulator-min-microvolt = <600000>;
-                               regulator-max-microvolt = <3400000>;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };
 
                        buck6: BUCK6 {
                                regulator-name = "NVCC_DRAM_1V1";
-                               regulator-min-microvolt = <600000>;
-                               regulator-max-microvolt = <3400000>;
+                               regulator-min-microvolt = <1100000>;
+                               regulator-max-microvolt = <1100000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };
 
                        ldo1: LDO1 {
                                regulator-name = "NVCC_SNVS_1V8";
-                               regulator-min-microvolt = <1600000>;
-                               regulator-max-microvolt = <3300000>;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };
@@ -95,23 +95,23 @@
                        ldo2: LDO2 {
                                regulator-name = "VDD_SNVS_0V8";
                                regulator-min-microvolt = <800000>;
-                               regulator-max-microvolt = <1150000>;
+                               regulator-max-microvolt = <800000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };
 
                        ldo3: LDO3 {
                                regulator-name = "VDDA_1V8";
-                               regulator-min-microvolt = <800000>;
-                               regulator-max-microvolt = <3300000>;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };
 
                        ldo4: LDO4 {
                                regulator-name = "VDD_PHY_1V2";
-                               regulator-min-microvolt = <800000>;
-                               regulator-max-microvolt = <3300000>;
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <1200000>;
                                regulator-boot-on;
                                regulator-always-on;
                        };