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Message-Id: <20250809-pakala-v1-4-abf1c416dbaa@oss.qualcomm.com>
Date: Sat, 09 Aug 2025 15:29:19 +0530
From: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kwilczynski@...nel.org>,
Manivannan Sadhasivam <mani@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, quic_vbadigan@...cinc.com,
quic_mrana@...cinc.com,
Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
Subject: [PATCH 4/4] arm64: dts: qcom: sm8750: Add PCIe PHY and controller
node
Add PCIe controller and PHY nodes which supports data rates of 8GT/s
and x2 lane.
Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
---
arch/arm64/boot/dts/qcom/sm8750.dtsi | 174 ++++++++++++++++++++++++++++++++++-
1 file changed, 173 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index 4643705021c6ca095a16d8d7cc3adac920b21e82..866c1eb8729953f6cb27c7cf995a1a8d55140e40 100644
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -631,7 +631,7 @@ gcc: clock-controller@...000 {
clocks = <&bi_tcxo_div2>,
<0>,
<&sleep_clk>,
- <0>,
+ <&pcie0_phy>,
<0>,
<0>,
<0>,
@@ -3304,6 +3304,178 @@ gic_its: msi-controller@...40000 {
};
};
+ pcie0: pcie@...0000 {
+ device_type = "pci";
+ compatible = "qcom,pcie-sm8750", "qcom,pcie-sm8550";
+ reg = <0 0x01c00000 0 0x3000>,
+ <0 0x40000000 0 0xf1d>,
+ <0 0x40000f20 0 0xa8>,
+ <0 0x40001000 0 0x1000>,
+ <0 0x40100000 0 0x100000>;
+ reg-names = "parf", "dbi", "elbi", "atu", "config";
+
+ interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi0",
+ "msi1",
+ "msi2",
+ "msi3",
+ "msi4",
+ "msi5",
+ "msi6",
+ "msi7",
+ "global";
+
+ clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
+ <&gcc GCC_DDRSS_PCIE_SF_QTB_CLK>,
+ <&gcc GCC_AGGRE_NOC_PCIE_AXI_CLK>,
+ <&gcc GCC_CNOC_PCIE_SF_AXI_CLK>;
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "ddrss_sf_tbu",
+ "noc_aggr",
+ "cnoc_sf_axi";
+
+ resets = <&gcc GCC_PCIE_0_BCR>;
+ reset-names = "pci";
+
+ 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
+ &cnoc_main SLAVE_PCIE_0 QCOM_ICC_TAG_ALWAYS>;
+ interconnect-names = "pcie-mem",
+ "cpu-pcie";
+
+ power-domains = <&gcc GCC_PCIE_0_GDSC>;
+
+ iommu-map = <0 &apps_smmu 0x1400 0x1>,
+ <0x100 &apps_smmu 0x1401 0x1>;
+
+ interrupt-map = <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ #interrupt-cells = <1>;
+
+ msi-map = <0x0 &gic_its 0x1400 0x1>,
+ <0x100 &gic_its 0x1401 0x1>;
+ msi-map-mask = <0xff00>;
+
+ linux,pci-domain = <0>;
+ num-lanes = <2>;
+ bus-range = <0 0xff>;
+
+ phys = <&pcie0_phy>;
+ phy-names = "pciephy";
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0 0x00000000 0 0x40200000 0 0x100000>,
+ <0x02000000 0 0x60300000 0 0x40300000 0 0x3d00000>;
+
+ dma-coherent;
+
+ operating-points-v2 = <&pcie0_opp_table>;
+
+ status = "disabled";
+
+ pcie0_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ /* GEN 1 x1 */
+ opp-2500000 {
+ opp-hz = /bits/ 64 <2500000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <250000 1>;
+ };
+
+ /* GEN 1 x2 and GEN 2 x1 */
+ opp-5000000 {
+ opp-hz = /bits/ 64 <5000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <500000 1>;
+ };
+
+ /* GEN 2 x2 */
+ opp-10000000 {
+ opp-hz = /bits/ 64 <10000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <1000000 1>;
+ };
+
+ /* GEN 3 x1 */
+ opp-8000000 {
+ opp-hz = /bits/ 64 <8000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <984500 1>;
+ };
+
+ /* GEN 3 x2 */
+ opp-16000000 {
+ opp-hz = /bits/ 64 <16000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <1969000 1>;
+ };
+
+ };
+
+ pcieport0: pcie@0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ bus-range = <0x01 0xff>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ };
+
+ pcie0_phy: phy@...6000 {
+ compatible = "qcom,sm8750-qmp-gen3x2-pcie-phy";
+ reg = <0 0x01c06000 0 0x2000>;
+
+ clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+ <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+ <&tcsrcc TCSR_PCIE_0_CLKREF_EN>,
+ <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>,
+ <&gcc GCC_PCIE_0_PIPE_CLK>;
+ clock-names = "aux",
+ "cfg_ahb",
+ "ref",
+ "rchng",
+ "pipe";
+
+ assigned-clocks = <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+ reset-names = "phy";
+
+ power-domains = <&gcc GCC_PCIE_0_PHY_GDSC>;
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie0_pipe_clk";
+
+ #phy-cells = <0>;
+
+ status = "disabled";
+ };
+
ufs_mem_phy: phy@...0000 {
compatible = "qcom,sm8750-qmp-ufs-phy";
reg = <0x0 0x01d80000 0x0 0x2000>;
--
2.34.1
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