[PATCH v3 2/5] ARM: dts: aspeed: santabarbara: Disable power monitor nodes

Fred Chen fredchen.openbmc at gmail.com
Fri Aug 7 01:34:05 PDT 2026


Due to a design change, this power monitor IC now has multiple
sources, and different vendors' parts require different drivers.
Disable these nodes so the kernel does not auto-probe a driver, and
let userspace instantiate the correct driver based on the part
actually populated on the board.

Signed-off-by: Fred Chen <fredchen.openbmc at gmail.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts
index 2a822e38f091..04fa9a5e0d04 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts
@@ -585,24 +585,28 @@ power-monitor at 40 {
 				compatible = "ti,ina230";
 				reg = <0x40>;
 				shunt-resistor = <2000>;
+				status = "disabled";
 			};
 
 			power-monitor at 41 {
 				compatible = "ti,ina230";
 				reg = <0x41>;
 				shunt-resistor = <2000>;
+				status = "disabled";
 			};
 
 			power-monitor at 44 {
 				compatible = "ti,ina230";
 				reg = <0x44>;
 				shunt-resistor = <2000>;
+				status = "disabled";
 			};
 
 			power-monitor at 45 {
 				compatible = "ti,ina230";
 				reg = <0x45>;
 				shunt-resistor = <2000>;
+				status = "disabled";
 			};
 		};
 
-- 
2.52.0




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