linux-kernel - [PATCH v4 1/2] arm64: dts: ti: k3-j784s4-evm: Mark tps659413 regulators as bootph-all

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Message-Id: <20241113-b4-j784s4-tps6594-bootph-v4-1-102ddaa1bdc6@redhat.com>
Date: Wed, 13 Nov 2024 10:15:16 +0100
From: Enric Balletbo i Serra <eballetb@...hat.com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, 
 Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Andrew Halaney <ajhalaney@...il.com>, 
 Andrew Halaney <ahalaney@...hat.com>, 
 Enric Balletbo i Serra <eballetb@...hat.com>, Udit Kumar <u-kumar1@...com>, 
 Beleswar Padhi <b-padhi@...com>
Subject: [PATCH v4 1/2] arm64: dts: ti: k3-j784s4-evm: Mark tps659413
 regulators as bootph-all

From: Andrew Halaney <ahalaney@...hat.com>

In order for the MCU domain to access this PMIC, a regulator
needs to be marked appropriately otherwise it is not seen by SPL and
therefore not configured.

This is necessary if the MCU domain is to program the TPS6594 MCU ESM
state machine, which is required to wire up the watchdog in a manner
that will reset the board.

Tested-by: Udit Kumar <u-kumar1@...com>
Signed-off-by: Andrew Halaney <ahalaney@...hat.com>
Reviewed-by: Beleswar Padhi <b-padhi@...com>
Signed-off-by: Enric Balletbo i Serra <eballetb@...hat.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi
index b2e2b9f507a9828d49b1eb94d098b2c6682cef0e..2664f74a9c7a4dbf6625f12fe52ba4b57d5636c0 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi
@@ -635,6 +635,7 @@ bucka12: buck12 {
 				regulator-max-microvolt = <1100000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			bucka3: buck3 {
@@ -643,6 +644,7 @@ bucka3: buck3 {
 				regulator-max-microvolt = <850000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			bucka4: buck4 {
@@ -651,6 +653,7 @@ bucka4: buck4 {
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			bucka5: buck5 {
@@ -659,6 +662,7 @@ bucka5: buck5 {
 				regulator-max-microvolt = <850000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			ldoa1: ldo1 {
@@ -667,6 +671,7 @@ ldoa1: ldo1 {
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			ldoa2: ldo2 {
@@ -675,6 +680,7 @@ ldoa2: ldo2 {
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			ldoa3: ldo3 {
@@ -683,6 +689,7 @@ ldoa3: ldo3 {
 				regulator-max-microvolt = <800000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 
 			ldoa4: ldo4 {
@@ -691,6 +698,7 @@ ldoa4: ldo4 {
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
 				regulator-always-on;
+				bootph-all;
 			};
 		};
 	};

-- 
2.47.0