linux-kernel - [PATCH v11 1/6] arm64: dts: qcom: sm8450: Add interconnect path to PCIe node

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Message-ID: <20240423-opp_support-v11-1-15fdd40b0f95@quicinc.com>
Date: Tue, 23 Apr 2024 14:36:55 +0530
From: Krishna chaitanya chundru <quic_krichai@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Manivannan Sadhasivam
	<manivannan.sadhasivam@...aro.org>,
        Lorenzo Pieralisi
	<lpieralisi@...nel.org>,
        Krzysztof Wilczyński
	<kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, <johan+linaro@...nel.org>,
        <bmasney@...hat.com>, <djakov@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <vireshk@...nel.org>, <quic_vbadigan@...cinc.com>,
        <quic_skananth@...cinc.com>, <quic_nitegupt@...cinc.com>,
        <quic_parass@...cinc.com>, <quic_krichai@...cinc.com>,
        <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v11 1/6] arm64: dts: qcom: sm8450: Add interconnect path to
 PCIe node

Add PCIe-MEM & CPU-PCIe interconnect path to the PCIe nodes.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Signed-off-by: Krishna chaitanya chundru <quic_krichai@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sm8450.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
index b86be34a912b..615296e13c43 100644
--- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
@@ -1807,6 +1807,12 @@ pcie0: pcie@...0000 {
 					<0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
 					<0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
 
+			interconnects = <&pcie_noc MASTER_PCIE_0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+					 &config_noc SLAVE_PCIE_0 QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "pcie-mem", "cpu-pcie";
+
 			clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
 				 <&gcc GCC_PCIE_0_PIPE_CLK_SRC>,
 				 <&pcie0_phy>,
@@ -1930,6 +1936,12 @@ pcie1: pcie@...8000 {
 					<0 0 0 3 &intc 0 0 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
 					<0 0 0 4 &intc 0 0 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
 
+			interconnects = <&pcie_noc MASTER_PCIE_1 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+					 &config_noc SLAVE_PCIE_1 QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "pcie-mem", "cpu-pcie";
+
 			clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
 				 <&gcc GCC_PCIE_1_PIPE_CLK_SRC>,
 				 <&pcie1_phy>,

-- 
2.42.0