From 5f8d59d69f6789ff67eaacb9f1d4e4d0a3869708 Mon Sep 17 00:00:00 2001
From: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
Date: Mon, 12 Dec 2022 12:33:01 +0100
Subject: [PATCH] boards: npm6001_ek: add regulator entries

Add entries for the BUCK0/1/2/3 and LDO0/1 regulators. Note that voltage
min/max limits have been set to the hardware limits. They can be
adjusted using overlays in applications, depending on the consumer
circuit constraints.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
---
 boards/shields/npm6001_ek/Kconfig.defconfig  |  3 ++
 boards/shields/npm6001_ek/npm6001_ek.overlay | 36 ++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/boards/shields/npm6001_ek/Kconfig.defconfig b/boards/shields/npm6001_ek/Kconfig.defconfig
index c372e861f4e..2260fc36a99 100644
--- a/boards/shields/npm6001_ek/Kconfig.defconfig
+++ b/boards/shields/npm6001_ek/Kconfig.defconfig
@@ -6,6 +6,9 @@ if SHIELD_NPM6001_EK
 config GPIO
 	default y
 
+config REGULATOR
+	default y
+
 config WATCHDOG
 	default y
 
diff --git a/boards/shields/npm6001_ek/npm6001_ek.overlay b/boards/shields/npm6001_ek/npm6001_ek.overlay
index 769dfcbefc9..62e8a1d3e7c 100644
--- a/boards/shields/npm6001_ek/npm6001_ek.overlay
+++ b/boards/shields/npm6001_ek/npm6001_ek.overlay
@@ -18,5 +18,41 @@
 		npm6001_ek_wdt: watchdog {
 			compatible = "nordic,npm6001-wdt";
 		};
+
+		regulators {
+			compatible = "nordic,npm6001-regulator";
+
+			/* limits are set to min/max allowed values */
+
+			npm6001_ek_buck0: BUCK0 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			npm6001_ek_buck1: BUCK1 {
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1400000>;
+			};
+
+			npm6001_ek_buck2: BUCK2 {
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1400000>;
+			};
+
+			npm6001_ek_buck3: BUCK3 {
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			npm6001_ek_ldo0: LDO0 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			npm6001_ek_ldo1: LDO1 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+		};
 	};
 };