[PATCH v3 4/5] ARM: dts: aspeed: santabarbara: Add SGPIO line names

Fred Chen fredchen.openbmc at gmail.com
Fri Aug 7 01:34:07 PDT 2026


Label two groups of SGPIO lines.

- FM_MCIO_[1-4]_THERMTRIP_N: thermal trip signals carried over the
  MCIO cables, indicating overheat on each of the four asic modules.
- UFM_READ_CMPLT: asserted by the BMC after it finishes reading UFM
  data, to notify the CPLD that the data can be cleared.

Signed-off-by: Fred Chen <fredchen.openbmc at gmail.com>
---
 .../boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

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 9d334a01d407..3d35a5a74104 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-santabarbara.dts
@@ -1907,7 +1907,7 @@ &sgpiom0 {
 	"MB_SKU_ID_3","",
 	"SYS_PWR_FAULT_ALERT","BIOS_DEBUG_MODE",
 	/*H0-H3 line 112-119*/
-	"FM_IOEXP_U538_INT_N","",
+	"FM_IOEXP_U538_INT_N","UFM_READ_CMPLT",
 	"FM_IOEXP_U539_INT_N","FM_MODULE_PWR_EN_N_1B",
 	"FM_IOEXP_U540_INT_N","FM_MODULE_PWR_EN_N_2B",
 	"FM_IOEXP_U541_INT_N","FM_MODULE_PWR_EN_N_3B",
@@ -1941,7 +1941,10 @@ &sgpiom0 {
 	"I3C_MCIO_4B_ALERT_ISO_R_N","",
 	"","",
 	/*K4-K7 line 168-175*/
-	"","","","","","","","",
+	"FM_MCIO_1_THERMTRIP_N","",
+	"FM_MCIO_2_THERMTRIP_N","",
+	"FM_MCIO_3_THERMTRIP_N","",
+	"FM_MCIO_4_THERMTRIP_N","",
 	/*L0-L3 line 176-183*/
 	"FM_CPU0_THERMTRIP_N","",
 	"FM_CPU0_PROCHOT_N","",
-- 
2.52.0




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