arm64: dts: imx8mp-evk: Add PMIC device

The imx8mp-evk uses an PCA9450C as PMIC that supplies various
regulators.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 2c28e58..9d777bc 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -104,6 +104,92 @@
        };
 };
 
+&i2c1 {
+       clock-frequency = <400000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c1>;
+       status = "okay";
+
+       pmic@25 {
+               compatible = "nxp,pca9450c";
+               reg = <0x25>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_pmic>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+               regulators {
+                       BUCK1 {
+                               regulator-name = "BUCK1";
+                               regulator-min-microvolt = <720000>;
+                               regulator-max-microvolt = <1000000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                               regulator-ramp-delay = <3125>;
+                       };
+
+                       BUCK2 {
+                               regulator-name = "BUCK2";
+                               regulator-min-microvolt = <720000>;
+                               regulator-max-microvolt = <1025000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                               regulator-ramp-delay = <3125>;
+                               nxp,dvs-run-voltage = <950000>;
+                               nxp,dvs-standby-voltage = <850000>;
+                       };
+
+                       BUCK4 {
+                               regulator-name = "BUCK4";
+                               regulator-min-microvolt = <3000000>;
+                               regulator-max-microvolt = <3600000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       BUCK5 {
+                               regulator-name = "BUCK5";
+                               regulator-min-microvolt = <1650000>;
+                               regulator-max-microvolt = <1950000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       BUCK6 {
+                               regulator-name = "BUCK6";
+                               regulator-min-microvolt = <1045000>;
+                               regulator-max-microvolt = <1155000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       LDO1 {
+                               regulator-name = "LDO1";
+                               regulator-min-microvolt = <1650000>;
+                               regulator-max-microvolt = <1950000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       LDO3 {
+                               regulator-name = "LDO3";
+                               regulator-min-microvolt = <1710000>;
+                               regulator-max-microvolt = <1890000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+
+                       LDO5 {
+                               regulator-name = "LDO5";
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-boot-on;
+                               regulator-always-on;
+                       };
+               };
+       };
+};
+
 &i2c3 {
        clock-frequency = <400000>;
        pinctrl-names = "default";
@@ -229,6 +315,13 @@
                >;
        };
 
+       pinctrl_i2c1: i2c1grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL         0x400001c3
+                       MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA         0x400001c3
+               >;
+       };
+
        pinctrl_i2c3: i2c3grp {
                fsl,pins = <
                        MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL         0x400001c3
@@ -236,6 +329,12 @@
                >;
        };
 
+       pinctrl_pmic: pmicgrp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03     0x000001c0
+               >;
+       };
+
        pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
                fsl,pins = <
                        MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19    0x41