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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/brcm,stb-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Brcmstb PCIe Host Controller Device Tree Bindings
+
+maintainers:
+ - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - brcm,bcm2711-pcie # The Raspberry Pi 4
+ - brcm,bcm7211-pcie # Broadcom STB version of RPi4
+ - brcm,bcm7278-pcie # Broadcom 7278 Arm
+ - brcm,bcm7216-pcie # Broadcom 7216 Arm
+ - brcm,bcm7445-pcie # Broadcom 7445 Arm
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: PCIe host controller
+ - description: builtin MSI controller
+
+ interrupt-names:
+ minItems: 1
+ maxItems: 2
+ items:
+ - const: pcie
+ - const: msi
+
+ ranges:
+ minItems: 1
+ maxItems: 4
+
+ dma-ranges:
+ minItems: 1
+ maxItems: 6
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: sw_pcie
+
+ msi-controller:
+ description: Identifies the node as an MSI controller.
+
+ msi-parent:
+ description: MSI controller the device is capable of using.
+
+ brcm,enable-ssc:
+ description: Indicates usage of spread-spectrum clocking.
+ type: boolean
+
+ aspm-no-l0s: true
+
+ resets:
+ description: for "brcm,bcm7216-pcie", must be a valid reset
+ phandle pointing to the RESCAL reset controller provider node.
+ $ref: "/schemas/types.yaml#/definitions/phandle"
+
+ reset-names:
+ items:
+ - const: rescal
+
+ brcm,scb-sizes:
+ description: u64 giving the 64bit PCIe memory
+ viewport size of a memory controller. There may be up to
+ three controllers, and each size must be a power of two
+ with a size greater or equal to the amount of memory the
+ controller supports. Note that each memory controller
+ may have two component regions -- base and extended -- so
+ this information cannot be deduced from the dma-ranges.
+ $ref: /schemas/types.yaml#/definitions/uint64-array
+ items:
+ minItems: 1
+ maxItems: 3
+
+required:
+ - reg
+ - ranges
+ - dma-ranges
+ - "#interrupt-cells"
+ - interrupts
+ - interrupt-names
+ - interrupt-map-mask
+ - interrupt-map
+ - msi-controller
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: brcm,bcm7216-pcie
+ then:
+ required:
+ - resets
+ - reset-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ scb {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ pcie0: pcie@7d500000 {
+ compatible = "brcm,bcm2711-pcie";
+ reg = <0x0 0x7d500000 0x9310>;
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "pcie", "msi";
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <0 0 0 1 &gicv2 GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+ msi-parent = <&pcie0>;
+ msi-controller;
+ ranges = <0x02000000 0x0 0xf8000000 0x6 0x00000000 0x0 0x04000000>;
+ dma-ranges = <0x42000000 0x1 0x00000000 0x0 0x40000000 0x0 0x80000000>,
+ <0x42000000 0x1 0x80000000 0x3 0x00000000 0x0 0x80000000>;
+ brcm,enable-ssc;
+ brcm,scb-sizes = <0x0000000080000000 0x0000000080000000>;
+ };
+ };