From 169c29d3b6ccb2dae401ba032eda473c82a75d0c Mon Sep 17 00:00:00 2001
From: Voicu <77429938+vladvoicux64@users.noreply.github.com>
Date: Thu, 8 Aug 2024 00:29:19 +0300
Subject: [PATCH] Modified the device tree for Tech Nexion's PICO-PI-IMX8M
 board to keep the power regulators always on, due to encountering problems
 after booting the kernel on the board (the power resistors would turn off
 shortly after being presented the login prompt).

---
 arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts b/arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts
index ec89b5adeb93..27d81083d0ea 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-pico-pi.dts
@@ -80,6 +80,7 @@
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1300000>;
 				regulator-boot-on;
+				regulator-always-on;
 				regulator-ramp-delay = <1250>;
 				rohm,dvs-run-voltage = <900000>;
 				rohm,dvs-idle-voltage = <850000>;
@@ -91,6 +92,7 @@
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1300000>;
 				regulator-boot-on;
+				regulator-always-on;
 				regulator-ramp-delay = <1250>;
 				rohm,dvs-run-voltage = <1000000>;
 				rohm,dvs-idle-voltage = <900000>;
@@ -101,6 +103,7 @@
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1300000>;
 				regulator-boot-on;
+				regulator-always-on;
 				rohm,dvs-run-voltage = <1000000>;
 			};
 
@@ -109,6 +112,7 @@
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1300000>;
 				regulator-boot-on;
+				 regulator-always-on;
 				rohm,dvs-run-voltage = <1000000>;
 			};
 
@@ -117,6 +121,7 @@
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1350000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			buck6: BUCK6 {
@@ -124,6 +129,7 @@
 				regulator-min-microvolt = <3000000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			buck7: BUCK7 {
@@ -131,6 +137,7 @@
 				regulator-min-microvolt = <1605000>;
 				regulator-max-microvolt = <1995000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			buck8: BUCK8 {
@@ -138,6 +145,7 @@
 				regulator-min-microvolt = <800000>;
 				regulator-max-microvolt = <1400000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			ldo1: LDO1 {
@@ -161,6 +169,7 @@
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			ldo4: LDO4 {
@@ -168,6 +177,7 @@
 				regulator-min-microvolt = <900000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			ldo5: LDO5 {
@@ -175,6 +185,7 @@
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			ldo6: LDO6 {
@@ -182,6 +193,7 @@
 				regulator-min-microvolt = <900000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 
 			ldo7: LDO7 {
@@ -189,6 +201,7 @@
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
+				regulator-always-on;
 			};
 		};
 	};