From: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Date: Fri, 28 Mar 2025 10:28:29 +0000 (+0530)
Subject: arm64: dts: qcom: x1e80100: Add PCIe lane equalization preset properties
X-Git-Tag: v6.16-rc1~97^2~3^2~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=435c3642a6a82c774f2897d72e6ed794a1dbaba1;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: qcom: x1e80100: Add PCIe lane equalization preset properties

Add PCIe lane equalization preset properties for 8 GT/s and 16 GT/s data
rates used in lane equalization procedure.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20250328-preset_v6-v9-1-22cfa0490518@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 2577a0f4dd716..1f0e50b0e6a15 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -3225,6 +3225,10 @@
 			phys = <&pcie3_phy>;
 			phy-names = "pciephy";
 
+			eq-presets-8gts = /bits/ 16 <0x5555 0x5555 0x5555 0x5555
+						     0x5555 0x5555 0x5555 0x5555>;
+			eq-presets-16gts = /bits/ 8 <0x55 0x55 0x55 0x55 0x55 0x55 0x55 0x55>;
+
 			operating-points-v2 = <&pcie3_opp_table>;
 
 			status = "disabled";
@@ -3427,6 +3431,9 @@
 			phys = <&pcie6a_phy>;
 			phy-names = "pciephy";
 
+			eq-presets-8gts = /bits/ 16 <0x5555 0x5555 0x5555 0x5555>;
+			eq-presets-16gts = /bits/ 8 <0x55 0x55 0x55 0x55>;
+
 			status = "disabled";
 		};
 
@@ -3554,6 +3561,8 @@
 			phys = <&pcie5_phy>;
 			phy-names = "pciephy";
 
+			eq-presets-8gts = /bits/ 16 <0x5555 0x5555>;
+
 			status = "disabled";
 		};
 
@@ -3680,6 +3689,8 @@
 			phys = <&pcie4_phy>;
 			phy-names = "pciephy";
 
+			eq-presets-8gts = /bits/ 16 <0x5555 0x5555>;
+
 			status = "disabled";
 
 			pcie4_port0: pcie@0 {