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Date: Wed, 20 May 2020 06:05:06 +0800
From: Robin Gong <yibin.gong@....com>
To: lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
catalin.marinas@....com, will@...nel.org, shawnguo@...nel.org,
anson.huang@....com, festevam@...il.com, s.hauer@...gutronix.de,
john.lee@....com
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, kernel@...gutronix.de,
linux-imx@....com
Subject: [PATCH v1 3/4] arm64: dts: imx8mn-evk: add pca9450 for i.mx8mn-evk board
Add pca9450 pmic driver for i.mx8mn-evk board.
Signed-off-by: Robin Gong <yibin.gong@....com>
---
arch/arm64/boot/dts/freescale/imx8mn-evk.dts | 96 +++++++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 6 ++
2 files changed, 102 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
index 61f3519..b846526 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
@@ -13,6 +13,102 @@
compatible = "fsl,imx8mn-evk", "fsl,imx8mn";
};
+&i2c1 {
+ pmic: pmic@25 {
+ compatible = "nxp,pca9450b";
+ reg = <0x25>;
+ pinctrl-0 = <&pinctrl_pmic>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <3 GPIO_ACTIVE_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;
+ };
+ };
+ };
+};
+
&A53_0 {
/delete-property/operating-points-v2;
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
index 85fc0aa..98f5324 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
@@ -223,6 +223,12 @@
>;
};
+ pinctrl_pmic: pmicirq {
+ fsl,pins = <
+ MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41
+ >;
+ };
+
pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {
fsl,pins = <
MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41
--
2.7.4
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