From: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>

Add the required properties for IO expander on fan boards.

Fixes: 2b8d94f4b4a4 ("ARM: dts: aspeed: yosemite4: add Facebook Yosemite 4 BMC")
Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index 62fe4d513852..5a995d8c326a 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -1124,6 +1124,8 @@ pwm@20{
 			gpio@22{
 				compatible = "ti,tca6424";
 				reg = <0x22>;
+				gpio-controller;
+				#gpio-cells = <2>;
 			};
 
 			pwm@23{
@@ -1174,6 +1176,8 @@ pwm@20{
 			gpio@22{
 				compatible = "ti,tca6424";
 				reg = <0x22>;
+				gpio-controller;
+				#gpio-cells = <2>;
 			};
 
 			pwm@23{
-- 
2.25.1