Thread (8 messages) 8 messages, 2 authors, 2026-01-30

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

From: Kevin Tung <hidden>
Date: 2025-12-19 08:10:14
Also in: linux-arm-kernel, linux-devicetree, lkml
Subsystem: arm/aspeed machine support, the rest · Maintainers: Joel Stanley, Andrew Jeffery, Linus Torvalds

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

Signed-off-by: Kevin Tung <redacted>
---
 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

Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help