imx8mn: Add LPDDR4 EVK board support
Add support for iMX8MN LPDDR4 EVK board which uses 2GB LPDDR4 and
PCA9450B PMIC.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index cedddd3..a5e836e 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -799,6 +799,7 @@
imx8mm-verdin.dtb \
phycore-imx8mm.dtb \
imx8mn-ddr4-evk.dtb \
+ imx8mn-evk.dtb \
imx8mq-evk.dtb \
imx8mm-beacon-kit.dtb \
imx8mn-beacon-kit.dtb \
diff --git a/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi b/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi
index 025090f..8cd15be 100644
--- a/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi
+++ b/arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi
@@ -19,6 +19,9 @@
&clk {
u-boot,dm-spl;
u-boot,dm-pre-reloc;
+ /delete-property/ assigned-clocks;
+ /delete-property/ assigned-clock-parents;
+ /delete-property/ assigned-clock-rates;
};
&osc_24m {
diff --git a/arch/arm/dts/imx8mn-evk-u-boot.dtsi b/arch/arm/dts/imx8mn-evk-u-boot.dtsi
new file mode 100644
index 0000000..2730ff6
--- /dev/null
+++ b/arch/arm/dts/imx8mn-evk-u-boot.dtsi
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+#include "imx8mn-ddr4-evk-u-boot.dtsi"
+
+&i2c1 {
+ u-boot,dm-spl;
+};
+
+&{/soc@0/bus@30800000/i2c@30a20000/pca9450@25} {
+ u-boot,dm-spl;
+};
+
+&{/soc@0/bus@30800000/i2c@30a20000/pca9450@25/regulators} {
+ u-boot,dm-spl;
+};
+
+&pinctrl_i2c1 {
+ u-boot,dm-spl;
+};
+
+&pinctrl_pmic {
+ u-boot,dm-spl;
+};
diff --git a/arch/arm/dts/imx8mn-evk.dts b/arch/arm/dts/imx8mn-evk.dts
new file mode 100644
index 0000000..cd11fb2
--- /dev/null
+++ b/arch/arm/dts/imx8mn-evk.dts
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+#include "imx8mn.dtsi"
+#include "imx8mn-evk.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ model = "NXP i.MX8MNano EVK board";
+ compatible = "fsl,imx8mn-evk", "fsl,imx8mn";
+};
+
+&A53_0 {
+ cpu-supply = <&buck2>;
+};
+
+&A53_1 {
+ cpu-supply = <&buck2>;
+};
+
+&A53_2 {
+ cpu-supply = <&buck2>;
+};
+
+&A53_3 {
+ cpu-supply = <&buck2>;
+};
+
+&i2c1 {
+ pmic: pca9450@25 {
+ compatible = "nxp,pca9450b";
+ reg = <0x25>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pmic>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+ regulators {
+ buck1: BUCK1{
+ regulator-name = "BUCK1";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ buck2: BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ nxp,dvs-run-voltage = <950000>;
+ nxp,dvs-standby-voltage = <850000>;
+ };
+
+ buck4: BUCK4{
+ regulator-name = "BUCK4";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck5: BUCK5{
+ regulator-name = "BUCK5";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck6: BUCK6 {
+ regulator-name = "BUCK6";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3400000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1: LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2: LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1150000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3: LDO3 {
+ regulator-name = "LDO3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4: LDO4 {
+ regulator-name = "LDO4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo5: LDO5 {
+ regulator-name = "LDO5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+};