From 5bb33e9a1d7ab39c73cf54ec4c53adfc722ea2f3 Mon Sep 17 00:00:00 2001
From: Mulin Chao <mlchao@nuvoton.com>
Date: Wed, 8 Jun 2022 02:26:10 -0700
Subject: [PATCH] dts: power: Add npcx PSL DT node.

Add NPCX Power Switch Logic (PSL) DT node which controls the power rails
of SoC to get better power consumption.

Signed-off-by: Mulin Chao <mlchao@nuvoton.com>
---
 dts/arm/nuvoton/npcx.dtsi                     |  6 ++++++
 .../power/nuvoton,npcx-power-psl.yaml         | 20 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 dts/bindings/power/nuvoton,npcx-power-psl.yaml

diff --git a/dts/arm/nuvoton/npcx.dtsi b/dts/arm/nuvoton/npcx.dtsi
index 81aaee46770..b074f0c52ff 100644
--- a/dts/arm/nuvoton/npcx.dtsi
+++ b/dts/arm/nuvoton/npcx.dtsi
@@ -691,6 +691,12 @@
 			label = "I2C_7_PORT_0";
 			status = "disabled";
 		};
+
+		power_ctrl_psl: power-ctrl-psl {
+			compatible = "nuvoton,npcx-power-psl";
+			label = "POWER_CONTROL_PSL";
+			status = "disabled";
+		};
 	};
 
 	soc-id {
diff --git a/dts/bindings/power/nuvoton,npcx-power-psl.yaml b/dts/bindings/power/nuvoton,npcx-power-psl.yaml
new file mode 100644
index 00000000000..d577b922fb6
--- /dev/null
+++ b/dts/bindings/power/nuvoton,npcx-power-psl.yaml
@@ -0,0 +1,20 @@
+# Copyright (c) 2022 Nuvoton Technology Corporation.
+# SPDX-License-Identifier: Apache-2.0
+
+description: Nuvoton, NPCX Power Switch Logic (PSL) control node
+
+compatible: "nuvoton,npcx-power-psl"
+
+include: [base.yaml, pinctrl-device.yaml]
+
+properties:
+  enable-gpios:
+    type: phandle-array
+    required: true
+    description: |
+      GPIO to used to turn on/off the Core Domain power supply (VCC1) of NPCX
+      embedded controller (EC)
+  pinctrl-0:
+    required: true
+  pinctrl-names:
+    required: true