| # 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> |
| |
| allOf: |
| - $ref: /schemas/pci/pci-bus.yaml# |
| |
| properties: |
| compatible: |
| const: brcm,bcm2711-pcie # The Raspberry Pi 4 |
| |
| 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: |
| maxItems: 1 |
| |
| dma-ranges: |
| maxItems: 1 |
| |
| 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 |
| |
| required: |
| - reg |
| - dma-ranges |
| - "#interrupt-cells" |
| - interrupts |
| - interrupt-names |
| - interrupt-map-mask |
| - interrupt-map |
| - msi-controller |
| |
| 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 = <0x02000000 0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>; |
| brcm,enable-ssc; |
| }; |
| }; |
