linux-kernel - [PATCH v2 4/9] arm64: dts: qcom: ipq8074: set Gen2 PCIe pcie max-link-speed

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Message-Id: <20230113164449.906002-4-robimarko@gmail.com>
Date:   Fri, 13 Jan 2023 17:44:44 +0100
From:   Robert Marko <robimarko@...il.com>
To:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        bhelgaas@...gle.com, lpieralisi@...nel.org, robh@...nel.org,
        kw@...ux.com, krzysztof.kozlowski+dt@...aro.org, mani@...nel.org,
        svarbanov@...sol.com, shawn.guo@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Robert Marko <robimarko@...il.com>
Subject: [PATCH v2 4/9] arm64: dts: qcom: ipq8074: set Gen2 PCIe pcie max-link-speed

Add the generic 'max-link-speed' property to describe the Gen2 PCIe link
generation limit.
This allows the generic DWC code to configure the link speed correctly.

Signed-off-by: Robert Marko <robimarko@...il.com>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 06e1da176334..5ef4383ab18b 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -801,6 +801,7 @@ pcie1: pci@...00000 {
 			linux,pci-domain = <1>;
 			bus-range = <0x00 0xff>;
 			num-lanes = <1>;
+			max-link-speed = <2>;
 			#address-cells = <3>;
 			#size-cells = <2>;
 
-- 
2.39.0