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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Date: Thu, 21 Mar 2024 16:46:29 +0530
Subject: [PATCH v2 09/21] arm64: dts: qcom: sc8280xp: Add PCIe bridge node
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Message-Id: <20240321-pcie-qcom-bridge-dts-v2-9-1eb790c53e43@linaro.org>
References: <20240321-pcie-qcom-bridge-dts-v2-0-1eb790c53e43@linaro.org>
In-Reply-To: <20240321-pcie-qcom-bridge-dts-v2-0-1eb790c53e43@linaro.org>
To: Bjorn Andersson <andersson@kernel.org>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh+dt@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, cros-qcom-dts-watchers@chromium.org, 
 Rob Herring <robh@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, 
 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

On Qcom SoCs, the PCIe host bridge is connected to a single PCIe bridge
for each controller instance. Hence, add a node to represent the bridge.

While at it, let's remove the bridge properties from board dts as they are
now redundant.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 .../dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts     | 20 +++------
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi             | 50 ++++++++++++++++++++++
 2 files changed, 56 insertions(+), 14 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 15ae94c1602d..caf7dff446a6 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -731,22 +731,14 @@ &pcie4 {
 	pinctrl-0 = <&pcie4_default>;
 
 	status = "okay";
+};
 
-	pcie@0 {
-		device_type = "pci";
-		reg = <0x0 0x0 0x0 0x0 0x0>;
-		#address-cells = <3>;
-		#size-cells = <2>;
-		ranges;
-
-		bus-range = <0x01 0xff>;
-
-		wifi@0 {
-			compatible = "pci17cb,1103";
-			reg = <0x10000 0x0 0x0 0x0 0x0>;
+&pcie4_port0 {
+	wifi@0 {
+		compatible = "pci17cb,1103";
+		reg = <0x10000 0x0 0x0 0x0 0x0>;
 
-			qcom,ath11k-calibration-variant = "LE_X13S";
-		};
+		qcom,ath11k-calibration-variant = "LE_X13S";
 	};
 };
 
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index a5b194813079..c7feebcb28b9 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -1779,6 +1779,16 @@ pcie4: pcie@1c00000 {
 			phy-names = "pciephy";
 
 			status = "disabled";
+
+			pcie4_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
 		};
 
 		pcie4_phy: phy@1c06000 {
@@ -1877,6 +1887,16 @@ pcie3b: pcie@1c08000 {
 			phy-names = "pciephy";
 
 			status = "disabled";
+
+			pcie3b_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
 		};
 
 		pcie3b_phy: phy@1c0e000 {
@@ -1975,6 +1995,16 @@ pcie3a: pcie@1c10000 {
 			phy-names = "pciephy";
 
 			status = "disabled";
+
+			pcie3a_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
 		};
 
 		pcie3a_phy: phy@1c14000 {
@@ -2076,6 +2106,16 @@ pcie2b: pcie@1c18000 {
 			phy-names = "pciephy";
 
 			status = "disabled";
+
+			pcie2b_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
 		};
 
 		pcie2b_phy: phy@1c1e000 {
@@ -2174,6 +2214,16 @@ pcie2a: pcie@1c20000 {
 			phy-names = "pciephy";
 
 			status = "disabled";
+
+			pcie2a_port0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
 		};
 
 		pcie2a_phy: phy@1c24000 {

-- 
2.25.1