Add PCIe endpoint mode dt-bindings for TI's AM65 SoC. Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> --- .../bindings/pci/ti,am65-pci-ep.yaml | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/ti,am65-pci-ep.yaml diff --git a/Documentation/devicetree/bindings/pci/ti,am65-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,am65-pci-ep.yaml new file mode 100644 index 000000000000..f0a5518e6331 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/ti,am65-pci-ep.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/ +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/pci/ti,am65-pci-ep.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: TI AM65 PCI Endpoint + +maintainers: + - Kishon Vijay Abraham I <kishon@xxxxxx> + +allOf: + - $ref: "pci-ep.yaml#" + +properties: + compatible: + enum: + - ti,am654-pcie-ep + + reg: + maxItems: 4 + + reg-names: + items: + - const: app + - const: dbics + - const: addr_space + - const: atu + + power-domains: + maxItems: 1 + + ti,syscon-pcie-mode: + description: Phandle to the SYSCON entry required for configuring PCIe in RC or EP mode. + $ref: /schemas/types.yaml#/definitions/phandle + + interrupts: + minItems: 1 + + dma-coherent: true + +required: + - compatible + - reg + - reg-names + - max-link-speed + - num-lanes + - power-domains + - ti,syscon-pcie-mode + - phys + - phy-names + - dma-coherent + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/soc/ti,sci_pm_domain.h> + #include <dt-bindings/gpio/gpio.h> + + bus { + #address-cells = <2>; + #size-cells = <2>; + + pcie0_ep: pcie-ep@5500000 { + compatible = "ti,am654-pcie-ep"; + reg = <0x0 0x5500000 0x0 0x1000>, + <0x0 0x5501000 0x0 0x1000>, + <0x0 0x10000000 0x0 0x8000000>, + <0x0 0x5506000 0x0 0x1000>; + reg-names = "app", "dbics", "addr_space", "atu"; + power-domains = <&k3_pds 120 TI_SCI_PD_EXCLUSIVE>; + ti,syscon-pcie-mode = <&pcie0_mode>; + num-ib-windows = <16>; + num-ob-windows = <16>; + max-link-speed = <2>; + dma-coherent; + interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>; + }; -- 2.17.1