linux-kernel - [PATCH v3 5/5] ARM: dts: aspeed: yosemite5: Correct power monitor shunt resistor

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Message-Id: <20251219-yv5_revise_dts-v3-5-ca1d5a382013@gmail.com>
Date: Fri, 19 Dec 2025 16:09:58 +0800
From: Kevin Tung <kevin.tung.openbmc@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, 
 Andrew Jeffery <andrew@...econstruct.com.au>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
 Amithash Prasasd <amithash@...a.com>, Kevin Tung <Kevin.Tung@...ntatw.com>, 
 Ken Chen <Ken.Chen@...ntatw.com>, Leo Yang <Leo-Yang@...ntatw.com>, 
 Kevin Tung <kevin.tung.openbmc@...il.com>
Subject: [PATCH v3 5/5] ARM: dts: aspeed: yosemite5: Correct power monitor
 shunt resistor

Correct the shunt resistor value in the DTS with the hardware setting
to ensure accurate power and current measurements.

Signed-off-by: Kevin Tung <kevin.tung.openbmc@...il.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts
index 84d3731b17f7c7c87338672bbcc859de2b89b722..524597a81365ef10cd03b67d35eeb88a965cbe0a 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite5.dts
@@ -415,7 +415,7 @@ power-sensor@42 {
 	power-monitor@43 {
 		compatible = "lltc,ltc4287";
 		reg = <0x43>;
-		shunt-resistor-micro-ohms = <250>;
+		shunt-resistor-micro-ohms = <100>;
 	};
 
 	power-sensor@44 {
@@ -461,25 +461,25 @@ eeprom@57 {
 	power-monitor@58 {
 		compatible = "renesas,isl28022";
 		reg = <0x58>;
-		shunt-resistor-micro-ohms = <1000>;
+		shunt-resistor-micro-ohms = <10000>;
 	};
 
 	power-monitor@59 {
 		compatible = "renesas,isl28022";
 		reg = <0x59>;
-		shunt-resistor-micro-ohms = <1000>;
+		shunt-resistor-micro-ohms = <10000>;
 	};
 
 	power-monitor@5a {
 		compatible = "renesas,isl28022";
 		reg = <0x5a>;
-		shunt-resistor-micro-ohms = <1000>;
+		shunt-resistor-micro-ohms = <10000>;
 	};
 
 	power-monitor@5b {
 		compatible = "renesas,isl28022";
 		reg = <0x5b>;
-		shunt-resistor-micro-ohms = <1000>;
+		shunt-resistor-micro-ohms = <10000>;
 	};
 
 	psu@5c {
@@ -723,13 +723,13 @@ gpio-expander@21 {
 	power-sensor@40 {
 		compatible = "ti,ina230";
 		reg = <0x40>;
-		shunt-resistor = <2000>;
+		shunt-resistor = <1000>;
 	};
 
 	power-sensor@41 {
 		compatible = "ti,ina230";
 		reg = <0x41>;
-		shunt-resistor = <2000>;
+		shunt-resistor = <1000>;
 	};
 
 	power-sensor@42 {

-- 
2.52.0