[PATCH 1/2] ARM: dts: aspeed: sanmiguel: fix PDB HSC shunt resistor
From: Mike Hsieh
Date: Thu Jun 18 2026 - 03:44:42 EST
Correct the shunt-resistor-micro-ohms values for the four TI LM5066i
hot-swap controllers on the PDB. This ensures accurate current and
power sensor readings from the hardware monitors.
Signed-off-by: Mike Hsieh <mike.quanta.115@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts
index d7ed497d7227..3faac0925a79 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts
@@ -450,7 +450,7 @@ pdb_mps_hsc1: power-monitor@10 {
pdb_ti_hsc1: power-monitor@11 {
compatible = "ti,lm5066i";
reg = <0x11>;
- shunt-resistor-micro-ohms = <763>;
+ shunt-resistor-micro-ohms = <1000>;
};
pdb_mps_hsc2: power-monitor@12 {
@@ -461,7 +461,7 @@ pdb_mps_hsc2: power-monitor@12 {
pdb_ti_hsc2: power-monitor@13 {
compatible = "ti,lm5066i";
reg = <0x13>;
- shunt-resistor-micro-ohms = <294>;
+ shunt-resistor-micro-ohms = <321>;
};
pdb_mps_hsc3: power-monitor@14 {
@@ -472,7 +472,7 @@ pdb_mps_hsc3: power-monitor@14 {
pdb_ti_hsc3: power-monitor@15 {
compatible = "ti,lm5066i";
reg = <0x15>;
- shunt-resistor-micro-ohms = <294>;
+ shunt-resistor-micro-ohms = <321>;
};
pdb_mps_hsc4: power-monitor@16 {
@@ -483,7 +483,7 @@ pdb_mps_hsc4: power-monitor@16 {
pdb_ti_hsc4: power-monitor@17 {
compatible = "ti,lm5066i";
reg = <0x17>;
- shunt-resistor-micro-ohms = <381>;
+ shunt-resistor-micro-ohms = <500>;
};
pdb_ioexp_20: gpio@20 {
--
2.53.0