mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
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>,
	cros-qcom-dts-watchers@chromium.org,
	Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>,
	Krishna Chaitanya Chundru
	<krishna.chaitanya.chundru@oss.qualcomm.com>
Subject: [PATCH v2 31/37] arm64: dts: qcom: sm8350: Move PCIe phy and GPIOs to root port node
Date: Thu, 11 Jun 2026 10:29:07 +0530	[thread overview]
Message-ID: <20260611-wake-v2-31-2744251b1181@oss.qualcomm.com> (raw)
In-Reply-To: <20260611-wake-v2-0-2744251b1181@oss.qualcomm.com>

The PCIe phy reference and the perst/wake GPIO properties are
per root port and belong in the root port node (pcie@0), not in the
RC controller node. Move phys and phy-names from the controller to
pcie0_port0 and pcie1_port0, adding labels to these nodes to allow
board-level overrides. Move perst-gpios/wake-gpios from the
controller overrides to the respective port nodes in the board file,
renaming perst-gpios to reset-gpios to match the binding used in the
root port context.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chaitanya.chundru@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 16 ++++++++++------
 arch/arm64/boot/dts/qcom/sm8350.dtsi    | 14 ++++++--------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
index 0897ed1bbc6f..9a14973fd972 100644
--- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
@@ -493,12 +493,14 @@ &pcie0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie0_default_state>;
 
-	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
-	wake-gpios = <&tlmm 96 GPIO_ACTIVE_LOW>;
-
 	status = "okay";
 };
 
+&pcie0_port0 {
+	reset-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 96 GPIO_ACTIVE_LOW>;
+};
+
 &pcie0_phy {
 	vdda-phy-supply = <&vreg_l5b_0p88>;
 	vdda-pll-supply = <&vreg_l6b_1p2>;
@@ -507,15 +509,17 @@ &pcie0_phy {
 };
 
 &pcie1 {
-	perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
-	wake-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>;
-
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie1_default_state>;
 
 	status = "okay";
 };
 
+&pcie1_port0 {
+	reset-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 99 GPIO_ACTIVE_LOW>;
+};
+
 &pcie1_phy {
 	status = "okay";
 	vdda-phy-supply = <&vreg_l5b_0p88>;
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index c830953156ec..4515a1ccb930 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -1583,12 +1583,9 @@ pcie0: pcie@1c00000 {
 
 			power-domains = <&gcc PCIE_0_GDSC>;
 
-			phys = <&pcie0_phy>;
-			phy-names = "pciephy";
-
 			status = "disabled";
 
-			pcie@0 {
+			pcie0_port0: pcie@0 {
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
 				bus-range = <0x01 0xff>;
@@ -1596,6 +1593,8 @@ pcie@0 {
 				#address-cells = <3>;
 				#size-cells = <2>;
 				ranges;
+
+				phys = <&pcie0_phy>;
 			};
 		};
 
@@ -1692,12 +1691,9 @@ pcie1: pcie@1c08000 {
 
 			power-domains = <&gcc PCIE_1_GDSC>;
 
-			phys = <&pcie1_phy>;
-			phy-names = "pciephy";
-
 			status = "disabled";
 
-			pcie@0 {
+			pcie1_port0: pcie@0 {
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
 				bus-range = <0x01 0xff>;
@@ -1705,6 +1701,8 @@ pcie@0 {
 				#address-cells = <3>;
 				#size-cells = <2>;
 				ranges;
+
+				phys = <&pcie1_phy>;
 			};
 		};
 

-- 
2.34.1


  parent reply	other threads:[~2026-06-11  5:01 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-11  4:58 [PATCH v2 00/37] arm64: dts: qcom: Fix PCIe wake GPIO polarity Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 01/37] ARM: dts: qcom: sdx55: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 02/37] arm64: dts: qcom: msm8996: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 03/37] arm64: dts: qcom: sdm845: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 04/37] arm64: dts: qcom: sc8180x: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 05/37] arm64: dts: qcom: sm8150: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 06/37] arm64: dts: qcom: sm8250: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 07/37] arm64: dts: qcom: sm8350: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 08/37] arm64: dts: qcom: sm8450: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 09/37] arm64: dts: qcom: sm8550: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 10/37] arm64: dts: qcom: sm8650: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 11/37] arm64: dts: qcom: sm8750: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 12/37] arm64: dts: qcom: kaanapali: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 13/37] arm64: dts: qcom: sar2130p: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 14/37] arm64: dts: qcom: monaco: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 15/37] arm64: dts: qcom: lemans: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 16/37] arm64: dts: qcom: sa8540p-ride: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 17/37] arm64: dts: qcom: kodiak: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 18/37] arm64: dts: qcom: talos: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 19/37] arm64: dts: qcom: lemans: Move PCIe phy and GPIOs to root port node Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 20/37] arm64: dts: qcom: msm8998: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 21/37] arm64: dts: qcom: qcs404: " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 22/37] arm64: dts: qcom: qcs8550: Move PCIe " Krishna Chaitanya Chundru
2026-06-11  4:58 ` [PATCH v2 23/37] arm64: dts: qcom: sa8295p: " Krishna Chaitanya Chundru
2026-06-11  7:48   ` Konrad Dybcio
2026-06-11  4:59 ` [PATCH v2 24/37] arm64: dts: qcom: sa8540p: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 25/37] arm64: dts: qcom: sar2130p: Move PCIe phy and " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 26/37] arm64: dts: qcom: sc8180x: " Krishna Chaitanya Chundru
2026-06-11  7:49   ` Konrad Dybcio
2026-06-11  4:59 ` [PATCH v2 27/37] arm64: dts: qcom: sc8280xp: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 28/37] arm64: dts: qcom: sdm845: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 29/37] arm64: dts: qcom: sm8150: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 30/37] arm64: dts: qcom: sm8250: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` Krishna Chaitanya Chundru [this message]
2026-06-11  4:59 ` [PATCH v2 32/37] arm64: dts: qcom: sm8450: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 33/37] arm64: dts: qcom: sm8550: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 34/37] arm64: dts: qcom: talos: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 35/37] arm64: dts: qcom: sm8650: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 36/37] arm64: dts: qcom: kodiak: " Krishna Chaitanya Chundru
2026-06-11  4:59 ` [PATCH v2 37/37] arm64: dts: qcom: msm8996: " Krishna Chaitanya Chundru

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260611-wake-v2-31-2744251b1181@oss.qualcomm.com \
    --to=krishna.chundru@oss.qualcomm.com \
    --cc=andersson@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=cros-qcom-dts-watchers@chromium.org \
    --cc=devicetree@vger.kernel.org \
    --cc=konradybcio@kernel.org \
    --cc=krishna.chaitanya.chundru@oss.qualcomm.com \
    --cc=krzk+dt@kernel.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=robh@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®