linux-kernel - [PATCH v4 2/2] PCI: qcom: Add X1E80100 PCIe support

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Message-Id: <20240301-x1e80100-pci-v4-2-7ab7e281d647@linaro.org>
Date: Fri, 01 Mar 2024 18:59:02 +0200
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH v4 2/2] PCI: qcom: Add X1E80100 PCIe support

Add the compatible and the driver data for X1E80100 PCIe controller.
There are 5 controller instances found on this platform, out of which
2 are Gen3 with speeds of up to 8.0GT/s, while the other 3 are Gen4
with speeds of up to 16GT/s. The version of the controller is
1.38.0 for all instances, but they are compatible with 1.9.0 config.
The max link width is x8 for one controller, x4 for two of others and
x2 for the two left.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 drivers/pci/controller/dwc/pcie-qcom.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 2ce2a3bd932b..b7467f9dfea9 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1642,6 +1642,7 @@ static const struct of_device_id qcom_pcie_match[] = {
 	{ .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 },
+	{ .compatible = "qcom,pcie-x1e80100", .data = &cfg_1_9_0 },
 	{ }
 };
 

-- 
2.34.1