linux-kernel - [PATCH 4/4] riscv: dts: spacemit: k1-bananapi-f3: Update PMIC supply properties

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Message-Id: <20260122-spacemit-p1-v1-4-309be27fbff9@riscstar.com>
Date: Thu, 22 Jan 2026 17:43:45 +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 4/4] riscv: dts: spacemit: k1-bananapi-f3: Update PMIC
 supply properties

Update individual supply properties in pmic node to accurately specify
the board's power tree topology.

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>
---
 arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 02f218a16318e5b6f512bcc37035fac37c25ee84..c30697732b627d764bdae9bc8ba44d7b503f0897 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -157,7 +157,15 @@ 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 {
@@ -188,7 +196,7 @@ buck4 {
 				regulator-always-on;
 			};
 
-			buck5 {
+			buck5: buck5 {
 				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <3450000>;
 				regulator-ramp-delay = <5000>;

-- 
2.43.0