diff mbox series

[v2,10/10] ARM: dts: aspeed: system1: Disable gpio pull down

Message ID 20250107162350.1281165-11-ninad@linux.ibm.com (mailing list archive)
State New
Headers show
Series DTS updates for system1 BMC | expand

Commit Message

Ninad Palsule Jan. 7, 2025, 4:23 p.m. UTC 
Disable internal pull down for the following GPIO lines.
- GPIOL4 - Reset PCH registers in the rtc.
- GPIOL5 - Reset portition of Intel ME
- GPIOL6 - FM smi active
- GPIOL7 - psu all dc power good.

Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
---
 .../dts/aspeed/aspeed-bmc-ibm-system1.dts     | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
index 8026c67ecaee..cf511d0a9421 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -355,7 +355,35 @@  &uhci {
 	status = "okay";
 };
 
+&pinctrl {
+	pinctrl_gpiol4_unbiased: gpiol4 {
+		pins = "C15";
+		bias-disable;
+	};
+
+	pinctrl_gpiol5_unbiased: gpiol5 {
+		pins = "F15";
+		bias-disable;
+	};
+
+	pinctrl_gpiol6_unbiased: gpiol6 {
+		pins = "B14";
+		bias-disable;
+	};
+
+	pinctrl_gpiol7_unbiased: gpiol7 {
+		pins = "C14";
+		bias-disable;
+	};
+};
+
 &gpio0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpiol4_unbiased
+		&pinctrl_gpiol5_unbiased
+		&pinctrl_gpiol6_unbiased
+		&pinctrl_gpiol7_unbiased>;
+
 	gpio-line-names =
 	/*A0-A7*/	"","","","","","","","",
 	/*B0-B7*/	"","","","","bmc-tpm-reset","","","",