[PATCH 19/24] arm64: dts: qcom: glymur: Add support for PCIe5

Pankaj Patil
2025-09-25T06:34:23Z

From: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>

Describe PCIe5 controller and PHY. Also add required system resources like
regulators, clocks, interrupts and registers configuration for PCIe5.

Signed-off-by: Prudhvi Yarlagadda <quic_pyarlaga@quicinc.com>
Signed-off-by: Qiang Yu <qiang.yu@oss.qualcomm.com>
Signed-off-by: Pankaj Patil <pankaj.patil@oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/glymur.dtsi | 208 ++++++++++++++++++++++++++++++++++-
1 file changed, 207 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
index e6e001485747785fd29c606773cba7793bbd2a5c..17a07d33b9396dba00e61a3b4260fa1a535600f2 100644
--- a/arch/arm64/boot/dts/qcom/glymur.dtsi
+++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
@@ -951,7 +951,7 @@ gcc: clock-controller@100000 {
<0>,
<0>,
<0>,
- <0>;
+ <&pcie5_phy>;
#clock-cells = <1>;
#reset-cells = <1>;
#power-domain-cells = <1>;
@@ -2511,6 +2511,212 @@ pcie_west_slv_noc: interconnect@1920000 {
#interconnect-cells = <2>;
};

+ pcie5: pci@1b40000 {
+ device_type = "pci";
+ compatible = "qcom,glymur-pcie", "qcom,pcie-x1e80100";
+ reg = <0x0 0x01b40000 0x0 0x3000>,
+ <0x7 0xa0000000 0x0 0xf20>,
+ <0x7 0xa0000f40 0x0 0xa8>,
+ <0x7 0xb0000000 0x0 0x4000>,
+ <0x7 0xa0100000 0x0 0x100000>,
+ <0x0 0x01b43000 0x0 0x1000>;
+ reg-names = "parf",
+ "dbi",
+ "elbi",
+ "atu",
+ "config",
+ "mhi";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x02000000 0 0x7a000000 0 0x7a000000 0 0x4000000>;
+ bus-range = <0 0xff>;
+
+ dma-coherent;
+
+ linux,pci-domain = <5>;
+ num-lanes = <4>;
+ max-link-speed = <5>;
+
+ operating-points-v2 = <&pcie5_opp_table>;
+
+ msi-map = <0x0 &gic_its 0xd0000 0x10000>;
+
+ interrupts = <GIC_SPI 518 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 519 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 520 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 521 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 522 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 523 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 524 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 525 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 945 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi0",
+ "msi1",
+ "msi2",
+ "msi3",
+ "msi4",
+ "msi5",
+ "msi6",
+ "msi7",
+ "global";
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc 0 0 0 526 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &intc 0 0 0 428 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &intc 0 0 0 429 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &intc 0 0 0 435 IRQ_TYPE_LEVEL_HIGH>;
+
+ clocks = <&gcc GCC_PCIE_5_AUX_CLK>,
+ <&gcc GCC_PCIE_5_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_5_MSTR_AXI_CLK>,
+ <&gcc GCC_PCIE_5_SLV_AXI_CLK>,
+ <&gcc GCC_PCIE_5_SLV_Q2A_AXI_CLK>,
+ <&gcc GCC_AGGRE_NOC_PCIE_5_EAST_SF_AXI_CLK>;
+ clock-names = "aux",
+ "cfg",
+ "bus_master",
+ "bus_slave",
+ "slave_q2a",
+ "noc_aggr";
+
+ assigned-clocks = <&gcc GCC_PCIE_5_AUX_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ interconnects = <&pcie_east_anoc MASTER_PCIE_5 QCOM_ICC_TAG_ALWAYS
+ &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+ <&hsc_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+ &pcie_east_slv_noc SLAVE_PCIE_5 QCOM_ICC_TAG_ALWAYS>;
+ interconnect-names = "pcie-mem",
+ "cpu-pcie";
+
+ resets = <&gcc GCC_PCIE_5_BCR>,
+ <&gcc GCC_PCIE_5_LINK_DOWN_BCR>;
+ reset-names = "pci",
+ "link_down";
+
+ power-domains = <&gcc GCC_PCIE_5_GDSC>;
+
+ eq-presets-8gts = /bits/ 16 <0x5555 0x5555 0x5555 0x5555>;
+ eq-presets-16gts = /bits/ 8 <0x55 0x55 0x55 0x55>;
+ eq-presets-32gts = /bits/ 8 <0x55 0x55 0x55 0x55>;
+
+ status = "disabled";
+
+ pcie5_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 1 x4 and GEN 2 x2 */
+ opp-10000000 {
+ opp-hz = /bits/ 64 <10000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <1000000 1>;
+ };
+
+ /* GEN 2 x4 */
+ opp-20000000 {
+ opp-hz = /bits/ 64 <20000000>;
+ required-opps = <&rpmhpd_opp_low_svs>;
+ opp-peak-kBps = <2000000 1>;
+ };
+
+ /* GEN 3 x1 */
+ opp-8000000 {
+ opp-hz = /bits/ 64 <8000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <984500 1>;
+ };
+
+ /* GEN 3 x2 and GEN 4 x1 */
+ opp-16000000 {
+ opp-hz = /bits/ 64 <16000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <1969000 1>;
+ };
+
+ /* GEN 3 x4, GEN 4 x2 and GEN5 x1*/
+ opp-32000000 {
+ opp-hz = /bits/ 64 <32000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <3938000 1>;
+ };
+
+ /* GEN 4 x4 and GEN 5 x2 */
+ opp-64000000 {
+ opp-hz = /bits/ 64 <64000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <7876000 1>;
+ };
+
+ /* GEN 5 x4 */
+ opp-128000000 {
+ opp-hz = /bits/ 64 <128000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ opp-peak-kBps = <15753000 1>;
+ };
+ };
+
+ pcie5port0: pcie@0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ bus-range = <0x01 0xff>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ phys = <&pcie5_phy>;
+ };
+ };
+
+ pcie5_phy: phy@1b50000 {
+ compatible = "qcom,glymur-qmp-gen5x4-pcie-phy";
+ reg = <0x0 0x01b50000 0x0 0x10000>;
+
+ clocks = <&gcc GCC_PCIE_PHY_5_AUX_CLK>,
+ <&gcc GCC_PCIE_5_CFG_AHB_CLK>,
+ <&tcsrcc TCSR_PCIE_1_CLKREF_EN>,
+ <&gcc GCC_PCIE_5_PHY_RCHNG_CLK>,
+ <&gcc GCC_PCIE_5_PIPE_CLK>,
+ <&gcc GCC_PCIE_5_PIPE_DIV2_CLK>;
+ clock-names = "aux",
+ "cfg_ahb",
+ "ref",
+ "rchng",
+ "pipe",
+ "pipediv2";
+
+ resets = <&gcc GCC_PCIE_5_PHY_BCR>,
+ <&gcc GCC_PCIE_5_NOCSR_COM_PHY_BCR>;
+ reset-names = "phy",
+ "phy_nocsr";
+
+ assigned-clocks = <&gcc GCC_PCIE_5_PHY_RCHNG_CLK>;
+ assigned-clock-rates = <100000000>;
+
+ power-domains = <&gcc GCC_PCIE_5_PHY_GDSC>;
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie5_pipe_clk";
+
+ #phy-cells = <0>;
+
+ status = "disabled";
+ };
+
tcsr_mutex: hwlock@1f40000 {
compatible = "qcom,tcsr-mutex";
reg = <0x0 0x01f40000 0x0 0x20000>;

--
2.34.1