[PATCH 2/2] ARM: dts: aspeed: sanmiguel: add current-range property for PDB HSC

From: Mike Hsieh

Date: Thu Jun 18 2026 - 03:41:58 EST


Configure the ti,current-range property for the four TI LM5066i
hot-swap controllers on PDB board.

This defines the hardware current limit operating mode (low/high)
for each sensor to match the physical board design.

Specific configurations:
- HSC1 (0x11): low
- HSC2 (0x13): high
- HSC3 (0x15): high
- HSC4 (0x17): low

Signed-off-by: Mike Hsieh <mike.quanta.115@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts | 4 ++++
1 file changed, 4 insertions(+)

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 3faac0925a79..e518e3fc1c97 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-sanmiguel.dts
@@ -451,6 +451,7 @@ pdb_ti_hsc1: power-monitor@11 {
compatible = "ti,lm5066i";
reg = <0x11>;
shunt-resistor-micro-ohms = <1000>;
+ ti,current-range = "low";
};

pdb_mps_hsc2: power-monitor@12 {
@@ -462,6 +463,7 @@ pdb_ti_hsc2: power-monitor@13 {
compatible = "ti,lm5066i";
reg = <0x13>;
shunt-resistor-micro-ohms = <321>;
+ ti,current-range = "high";
};

pdb_mps_hsc3: power-monitor@14 {
@@ -473,6 +475,7 @@ pdb_ti_hsc3: power-monitor@15 {
compatible = "ti,lm5066i";
reg = <0x15>;
shunt-resistor-micro-ohms = <321>;
+ ti,current-range = "high";
};

pdb_mps_hsc4: power-monitor@16 {
@@ -484,6 +487,7 @@ pdb_ti_hsc4: power-monitor@17 {
compatible = "ti,lm5066i";
reg = <0x17>;
shunt-resistor-micro-ohms = <500>;
+ ti,current-range = "low";
};

pdb_ioexp_20: gpio@20 {

--
2.53.0