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ARM: dts: aspeed: system1: Disable gpio pull down

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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>
This commit is contained in:
Ninad Palsule 2025-02-04 13:41:12 -06:00 committed by Andrew Jeffery
parent c8c33f37a6
commit 4de4329d8a
1 changed files with 28 additions and 0 deletions
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28
arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
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@ -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","","","",