ARM: dts: aspeed: mtmitchell: Add gpio line names for io expanders

Add below gpio line names to io expanders for more platform features.

- ext-vref-sel
- presence-hdd-bp5-n
- presence-hdd-bp6-n
- bmc-ocp0-en-n
- bmc-ocp1-en-n
- bmc-riser-en-n
- gpi0, gpi1

Signed-off-by: Chanh Nguyen <chanh@os.amperecomputing.com>
Link: https://patch.msgid.link/20240905063521.319416-3-chanh@os.amperecomputing.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
index da181f9ae820639db25cab9d7cfd432c90b3c118..2b336aa0146d9dc44daa30260a42b49d93b9cab4 100644 (file)
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ampere-mtmitchell.dts
@@ -677,6 +677,12 @@
                #size-cells = <0>;
                #gpio-cells = <2>;
 
+               gpio-line-names =
+               "ext-vref-sel","","presence-hdd-bp5-n","presence-hdd-bp6-n",
+               "","bmc-riser-en-n","bmc-ocp1-en-n","bmc-ocp0-en-n",
+               "","","","",
+               "","","","";
+
                bmc-ocp0-en-hog {
                        gpio-hog;
                        gpios = <7 GPIO_ACTIVE_LOW>;
@@ -968,7 +974,7 @@
                        "fan-fault","psu-fault",
                        "","",
                        "","",
-                       "","",
+                       "gpi0","gpi1",
                        "","",
                        "","",
                        "","",