[PATCH v3 3/5] arm64: dts: agilex: add dtsi for PCIe Root Port

Matthew Gerlach
2025-01-08T17:02:31Z

Add the base device tree for support of the PCIe Root Port
for the Agilex family of chips.

Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
---
v3:
- Remove accepted patches from patch set.

v2:
- Rename node to fix schema check error.
---
.../intel/socfpga_agilex_pcie_root_port.dtsi | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 arch/arm64/boot/dts/intel/socfpga_agilex_pcie_root_port.dtsi

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex_pcie_root_port.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex_pcie_root_port.dtsi
new file mode 100644
index 000000000000..50f131f5791b
--- /dev/null
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex_pcie_root_port.dtsi
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2024, Intel Corporation
+ */
+&soc0 {
+ aglx_hps_bridges: fpga-bus@80000000 {
+ compatible = "simple-bus";
+ reg = <0x80000000 0x20200000>,
+ <0xf9000000 0x00100000>;
+ reg-names = "axi_h2f", "axi_h2f_lw";
+ #address-cells = <0x2>;
+ #size-cells = <0x1>;
+ ranges = <0x00000000 0x00000000 0x80000000 0x00040000>,
+ <0x00000000 0x10000000 0x90100000 0x0ff00000>,
+ <0x00000000 0x20000000 0xa0000000 0x00200000>,
+ <0x00000001 0x00010000 0xf9010000 0x00008000>,
+ <0x00000001 0x00018000 0xf9018000 0x00000080>,
+ <0x00000001 0x00018080 0xf9018080 0x00000010>;
+
+ pcie_0_pcie_aglx: pcie@200000000 {
+ reg = <0x00000000 0x10000000 0x10000000>,
+ <0x00000001 0x00010000 0x00008000>,
+ <0x00000000 0x20000000 0x00200000>;
+ reg-names = "Txs", "Cra", "Hip";
+ interrupt-parent = <&intc>;
+ interrupts = <GIC_SPI 0x14 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <0x1>;
+ device_type = "pci";
+ bus-range = <0x0000000 0x000000ff>;
+ ranges = <0x82000000 0x00000000 0x00100000 0x00000000 0x10000000 0x00000000 0x0ff00000>;
+ msi-parent = <&pcie_0_msi_irq>;
+ #address-cells = <0x3>;
+ #size-cells = <0x2>;
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <0x0 0x0 0x0 0x1 &pcie_0_pcie_aglx 0 0 0 0x1>,
+ <0x0 0x0 0x0 0x2 &pcie_0_pcie_aglx 0 0 0 0x2>,
+ <0x0 0x0 0x0 0x3 &pcie_0_pcie_aglx 0 0 0 0x3>,
+ <0x0 0x0 0x0 0x4 &pcie_0_pcie_aglx 0 0 0 0x4>;
+ status = "disabled";
+ };
+
+ pcie_0_msi_irq: msi@10008080 {
+ compatible = "altr,msi-1.0";
+ reg = <0x00000001 0x00018080 0x00000010>,
+ <0x00000001 0x00018000 0x00000080>;
+ reg-names = "csr", "vector_slave";
+ interrupt-parent = <&intc>;
+ interrupts = <GIC_SPI 0x13 IRQ_TYPE_LEVEL_HIGH>;
+ msi-controller;
+ num-vectors = <0x20>;
+ status = "disabled";
+ };
+ };
+};
--
2.34.1