[PATCH v3 3/3] ARM: dts: aspeed: anacapa: add SGPIO interrupt to PCA9555
From: Colin Huang
Date: Tue Mar 10 2026 - 05:52:17 EST
Wire PCA9555 gpio@24 nodes to the SGPIO interrupt controller by
adding sgpiom0 as the interrupt parent and specifying the shared
SGPIO interrupt line,PDB_ALERT_R_N.
Signed-off-by: Colin Huang <u8813345@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa.dts | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa.dts
index 85b7e027daef..933885055636 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-anacapa.dts
@@ -500,6 +500,9 @@ gpio@24 {
gpio-controller;
#gpio-cells = <2>;
+ interrupt-parent = <&sgpiom0>;
+ interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+
gpio-line-names =
"RPDB_EAM2_PRSNT_MOS_N_R", "RPDB_EAM3_PRSNT_MOS_N_R",
"RPDB_PWRGD_P50V_HSC4_SYS_R",
@@ -546,6 +549,9 @@ gpio@24 {
gpio-controller;
#gpio-cells = <2>;
+ interrupt-parent = <&sgpiom0>;
+ interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+
gpio-line-names =
"LPDB_P50V_FAN1_R2_PG","LPDB_P50V_FAN2_R2_PG",
"LPDB_P50V_FAN3_R2_PG","LPDB_P50V_FAN4_R2_PG",
--
2.34.1