From: Anson Huang <Anson.Huang@nxp.com>
Date: Tue, 3 Mar 2020 07:19:31 +0000 (+0800)
Subject: arm64: dts: imx8mn: Add LPDDR4 EVK pmic support
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~577^2~2^2~506
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=a26b23f3e8b23ded3e4b734aa6c3761660ae2189;p=linux.git

arm64: dts: imx8mn: Add LPDDR4 EVK pmic support

Add i.MX8MN LPDDR4 EVK pmic driver support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
index 8311b95dee49..389093d3292b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
@@ -112,17 +112,131 @@
 };
 
 &A53_0 {
-	/delete-property/operating-points-v2;
+	cpu-supply = <&buck2_reg>;
 };
 
-&A53_1 {
-	/delete-property/operating-points-v2;
-};
+&i2c1 {
+	pmic: pca9450@25 {
+		reg = <0x25>;
+		compatible = "nxp,pca9450";
+		/* PMIC PCA9450 PMIC_nINT GPIO1_IO3 */
+		pinctrl-0 = <&pinctrl_pmic>;
+		gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>;
+
+		regulators {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			pca9450,pmic-buck2-uses-i2c-dvs;
+			/* Run/Standby voltage */
+			pca9450,pmic-buck2-dvs-voltage = <950000>, <850000>;
+
+			buck1_reg: regulator@0 {
+				reg = <0>;
+				regulator-compatible = "buck1";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			buck2_reg: regulator@1 {
+				reg = <1>;
+				regulator-compatible = "buck2";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			buck3_reg: regulator@2 {
+				reg = <2>;
+				regulator-compatible = "buck3";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
 
-&A53_2 {
-	/delete-property/operating-points-v2;
+			buck4_reg: regulator@3 {
+				reg = <3>;
+				regulator-compatible = "buck4";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck5_reg: regulator@4 {
+				reg = <4>;
+				regulator-compatible = "buck5";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck6_reg: regulator@5 {
+				reg = <5>;
+				regulator-compatible = "buck6";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo1_reg: regulator@6 {
+				reg = <6>;
+				regulator-compatible = "ldo1";
+				regulator-min-microvolt = <1600000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo2_reg: regulator@7 {
+				reg = <7>;
+				regulator-compatible = "ldo2";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1150000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo3_reg: regulator@8 {
+				reg = <8>;
+				regulator-compatible = "ldo3";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo4_reg: regulator@9 {
+				reg = <9>;
+				regulator-compatible = "ldo4";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo5_reg: regulator@10 {
+				reg = <10>;
+				regulator-compatible = "ldo5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+		};
+	};
 };
 
-&A53_3 {
-	/delete-property/operating-points-v2;
+&iomuxc {
+	pinctrl_pmic: pmicirq {
+		fsl,pins = <
+			MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x41
+		>;
+	};
 };