linux-kernel - [PATCH v2 4/4] riscv: dts: spacemit: Update PMIC supply properties for BPI-F3 and Jupiter

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Message-Id: <20260124-spacemit-p1-v2-4-2c86b06694ba@riscstar.com>
Date: Sat, 24 Jan 2026 08:20:19 +0800
From: Guodong Xu <guodong@...cstar.com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Yixun Lan <dlan@...too.org>, Alex Elder <elder@...cstar.com>, 
 Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Troy Mitchell <troy.mitchell@...ux.spacemit.com>, 
 Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, 
 Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>
Cc: linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 spacemit@...ts.linux.dev, devicetree@...r.kernel.org, 
 Guodong Xu <guodong@...cstar.com>
Subject: [PATCH v2 4/4] riscv: dts: spacemit: Update PMIC supply properties
 for BPI-F3 and Jupiter

Update individual supply properties in pmic "spacemit,p1" node to specify
the board's power tree topology for BananaPi F3 and Milk-V Jupiter.

Previously these relationships were hardcoded in the driver; now they
are explicitly defined in the devicetree per the updated binding
document spacemit,p1.yaml.

Signed-off-by: Guodong Xu <guodong@...cstar.com>
---
v2: Added the pmic supply properties for K1 Milkv Jupiter.
    Updated the commit message accordingly.
---
 arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts   | 12 ++++++++++--
 arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts | 12 ++++++++++--
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 5971605754b3..444c3b1e6f44 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -190,7 +190,15 @@ pmic@41 {
 		compatible = "spacemit,p1";
 		reg = <0x41>;
 		interrupts = <64>;
-		vin-supply = <&reg_vcc_4v>;
+		vin1-supply = <&reg_vcc_4v>;
+		vin2-supply = <&reg_vcc_4v>;
+		vin3-supply = <&reg_vcc_4v>;
+		vin4-supply = <&reg_vcc_4v>;
+		vin5-supply = <&reg_vcc_4v>;
+		vin6-supply = <&reg_vcc_4v>;
+		aldoin-supply = <&reg_vcc_4v>;
+		dldoin1-supply = <&buck5>;
+		dldoin2-supply = <&buck5>;
 
 		regulators {
 			buck1 {
@@ -221,7 +229,7 @@ buck4 {
 				regulator-always-on;
 			};
 
-			buck5 {
+			buck5: buck5 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <3450000>;
 				regulator-ramp-delay = <5000>;
diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index 800a112d5d70..e2702a781734 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -100,7 +100,15 @@ pmic@41 {
 		compatible = "spacemit,p1";
 		reg = <0x41>;
 		interrupts = <64>;
-		vin-supply = <&reg_vcc_4v>;
+		vin1-supply = <&reg_vcc_4v>;
+		vin2-supply = <&reg_vcc_4v>;
+		vin3-supply = <&reg_vcc_4v>;
+		vin4-supply = <&reg_vcc_4v>;
+		vin5-supply = <&reg_vcc_4v>;
+		vin6-supply = <&reg_vcc_4v>;
+		aldoin-supply = <&reg_vcc_4v>;
+		dldoin1-supply = <&buck5>;
+		dldoin2-supply = <&buck5>;
 
 		regulators {
 			buck1 {
@@ -131,7 +139,7 @@ buck4 {
 				regulator-always-on;
 			};
 
-			buck5 {
+			buck5: buck5 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <3450000>;
 				regulator-ramp-delay = <5000>;

-- 
2.43.0