From: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, konrad.dybcio@oss.qualcomm.com,
mani@kernel.org
Subject: [PATCH v2 08/18] arm64: dts: qcom: sm8450: Fix PCIe WAKE# GPIO polarity
Date: Thu, 17 Sep 2026 17:24:16 +0530 [thread overview]
Message-ID: <20260917-root_port-v2-8-0d627d0856d5@oss.qualcomm.com> (raw)
In-Reply-To: <20260917-root_port-v2-0-0d627d0856d5@oss.qualcomm.com>
The PCIe WAKE# signal is active-low as defined in the PCIe Base
Specification. Fix the wake-gpios polarity by using GPIO_ACTIVE_LOW
instead of GPIO_ACTIVE_HIGH.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/sm8450.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index b8793482b181..7bc5f85e7ebc 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -2021,7 +2021,7 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
phy-names = "pciephy";
perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
- wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
+ wake-gpios = <&tlmm 96 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&pcie0_default_state>;
@@ -2186,7 +2186,7 @@ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
phy-names = "pciephy";
perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
- wake-gpios = <&tlmm 99 GPIO_ACTIVE_HIGH>;
+ wake-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&pcie1_default_state>;
--
2.34.1
next prev parent reply other threads:[~2026-09-17 11:55 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 11:54 [PATCH v2 00/18] arm64: dts: qcom: Fix wake-gpios polarity Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 01/18] ARM: dts: qcom: sdx55: Fix PCIe WAKE# GPIO polarity Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 02/18] arm64: dts: qcom: msm8996: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 03/18] arm64: dts: qcom: sdm845: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 04/18] arm64: dts: qcom: sc8180x: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 05/18] arm64: dts: qcom: sm8150: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 06/18] arm64: dts: qcom: sm8250: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 07/18] arm64: dts: qcom: sm8350: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` Krishna Chaitanya Chundru [this message]
2026-09-17 11:54 ` [PATCH v2 09/18] arm64: dts: qcom: sm8550: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 10/18] arm64: dts: qcom: sm8650: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 11/18] arm64: dts: qcom: sm8750: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 12/18] arm64: dts: qcom: kaanapali: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 13/18] arm64: dts: qcom: sar2130p: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 14/18] arm64: dts: qcom: monaco: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 15/18] arm64: dts: qcom: lemans: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 16/18] arm64: dts: qcom: talos: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 17/18] arm64: dts: qcom: sa8540p-ride: " Krishna Chaitanya Chundru
2026-09-17 11:54 ` [PATCH v2 18/18] arm64: dts: qcom: kodiak: " Krishna Chaitanya Chundru
2026-09-29 3:14 ` (subset) [PATCH v2 00/18] arm64: dts: qcom: Fix wake-gpios polarity Bjorn Andersson
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