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authorNinad Palsule <ninad@linux.ibm.com>2025-02-04 13:41:12 -0600
committerAndrew Jeffery <andrew@codeconstruct.com.au>2025-06-11 13:49:18 +0930
commit4de4329d8a766d8b1206e1afebf1ed4ba7546c1a (patch)
treef6207515f47deb22c932e0e5bebafb2de0cffe5a
parentc8c33f37a6a685ab81436644bce9567e483f8d71 (diff)
ARM: dts: aspeed: system1: Disable gpio pull down
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. Reviewed-by: Eddie James <eajames@linux.ibm.com> Signed-off-by: Ninad Palsule <ninad@linux.ibm.com> Link: https://patch.msgid.link/20250204194115.3899174-10-ninad@linux.ibm.com Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
-rw-r--r--arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts28
1 files changed, 28 insertions, 0 deletions
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 00b091bc7da9..c8267c97a44e 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 @@
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","","","",