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@gmail.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

Hi Kevin,

On Fri, 2025-12-19 at 16:09 +0800, Kevin Tung wrote:
> Correct the shunt resistor value in the DTS with the hardware setting
> to ensure accurate power and current measurements.

Why were the existing values wrong? Why are the new values correct? Can
you please add more information here explaining both concerns?

Andrew

On Thu, Jan 8, 2026 at 1:22 PM Andrew Jeffery
<andrew@codeconstruct.com.au> wrote:
>
> Hi Kevin,
>
> On Fri, 2025-12-19 at 16:09 +0800, Kevin Tung wrote:
> > Correct the shunt resistor value in the DTS with the hardware setting
> > to ensure accurate power and current measurements.
>
> Why were the existing values wrong? Why are the new values correct? Can
> you please add more information here explaining both concerns?
>
> Andrew

Hi Andrew,

Sorry for the late reply. I’ve sent v4 with additional details to
explain the patch better. Thanks.

Kevin