new/current EVKs come with a different PMIC: old(er) ones used to use
"rohm,bd71847", which is now replaced "nxp,pca9450a" on the LPDDR4
EVKs
Signed-off-by: Johannes Schneider <johannes.schneider@xxxxxxxxxxxxxxxxxxxx>
---
.../boot/dts/freescale/imx8mm-ddr4-evk.dts | 124 ++++++++++++++++++
1 file changed, 124 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk.dts
index 6c079c0a3a48..3d986aa3e0e8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-ddr4-evk.dts
@@ -55,3 +55,127 @@ MX8MM_IOMUXC_NAND_CE3_B_GPIO3_IO4 0x19
>;
};
};
+
+&A53_0 {
+ cpu-supply = <&buck2_reg>;
+};
+
+&A53_1 {
+ cpu-supply = <&buck2_reg>;
+};
+
+&A53_2 {
+ cpu-supply = <&buck2_reg>;
+};
+
+&A53_3 {
+ cpu-supply = <&buck2_reg>;
+};
+
+&i2c1 {
+ clock-frequency = <384000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ status = "okay";
+
+ pmic_nxp: pca9450@25 {
+ compatible = "nxp,pca9450a";
+ reg = <0x25>;
+ pinctrl-0 = <&pinctrl_pmic>;
+ pinctrl-names = "default";
+ interrupt-parent = <&gpio1>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+ regulators {
+ buck1_reg: BUCK1 {
+ regulator-name = "BUCK1";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ nxp,dvs-run-voltage = <820000>;
+ nxp,dvs-standby-voltage = <800000>;
+ };
+
+ buck2_reg: BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck3_reg: BUCK3 {
+ regulator-name = "BUCK3";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck4_reg: BUCK4 {
+ regulator-name = "BUCK4";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck5_reg: BUCK5 {
+ regulator-name = "BUCK5";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck6_reg: BUCK6 {
+ regulator-name = "BUCK6";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1_reg: LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2_reg: LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1150000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3_reg: LDO3 {
+ regulator-name = "LDO3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4_reg: LDO4 {
+ regulator-name = "LDO4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo5_reg: LDO5 {
+ regulator-name = "LDO5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ };
+ };
+};
--
2.25.1
