[PATCH 2/6] dt-bindings: PCI: ti,am65: Add PCIe endpoint mode dt-bindings for TI's AM65 SoC

From: Kishon Vijay Abraham I
Date: Thu Mar 25 2021 - 05:01:43 EST


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