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Message-ID: <20240719132522.9176-4-johan+linaro@kernel.org>
Date: Fri, 19 Jul 2024 15:25:21 +0200
From: Johan Hovold <johan+linaro@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 3/4] arm64: dts: qcom: sc8280xp-x13s: disable PCIe perst pull downs
Disable the PCIe perst pull-down resistors to save some power.
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index a1baf30b023c..5e5fdb085b88 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -1617,7 +1617,7 @@ perst-n-pins {
pins = "gpio143";
function = "gpio";
drive-strength = <2>;
- bias-pull-down;
+ bias-disable;
};
wake-n-pins {
@@ -1640,7 +1640,7 @@ perst-n-pins {
pins = "gpio151";
function = "gpio";
drive-strength = <2>;
- bias-pull-down;
+ bias-disable;
};
wake-n-pins {
@@ -1663,7 +1663,7 @@ perst-n-pins {
pins = "gpio141";
function = "gpio";
drive-strength = <2>;
- bias-pull-down;
+ bias-disable;
};
wake-n-pins {
--
2.44.2
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