[PATCH v5 5/7] dt-bindings: PCI: rcar: Add bindings for R-Car PCIe endpoint controller
From: Lad Prabhakar <prabhakar.csengg@gmail.com>
Date: 2020-02-28 15:42:17
Also in:
linux-devicetree, linux-pci, linux-renesas-soc, linux-rockchip, lkml
Subsystem:
open firmware and flattened device tree bindings, pci driver for renesas r-car, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Marek Vasut, Yoshihiro Shimoda, Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
This patch adds the bindings for the R-Car PCIe endpoint driver. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> --- .../devicetree/bindings/pci/rcar-pci-ep.yaml | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml
diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml b/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml
new file mode 100644
index 0000000..07cd5a7
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml@@ -0,0 +1,76 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2020 Renesas Electronics Europe GmbH - https://www.renesas.com/eu/en/ +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/rcar-pci-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car PCIe Endpoint + +maintainers: + - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> + +properties: + compatible: + items: + - const: renesas,r8a774c0-pcie-ep + - const: renesas,rcar-gen3-pcie-ep + + reg: + maxItems: 5 + + reg-names: + items: + - const: apb-base + - const: memory0 + - const: memory1 + - const: memory2 + - const: memory3 + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: pcie + + max-functions: + minimum: 1 + maximum: 6 + +required: + - compatible + - reg + - reg-names + - resets + - power-domains + - clocks + - clock-names + - max-functions + +examples: + - | + #include <dt-bindings/clock/r8a774c0-cpg-mssr.h> + #include <dt-bindings/power/r8a774c0-sysc.h> + + pcie0_ep: pcie-ep@fe000000 { + compatible = "renesas,r8a774c0-pcie-ep", + "renesas,rcar-gen3-pcie-ep"; + reg = <0 0xfe000000 0 0x80000>, + <0x0 0xfe100000 0 0x100000>, + <0x0 0xfe200000 0 0x200000>, + <0x0 0x30000000 0 0x8000000>, + <0x0 0x38000000 0 0x8000000>; + reg-names = "apb-base", "memory0", "memory1", "memory2", "memory3"; + resets = <&cpg 319>; + power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>; + clocks = <&cpg CPG_MOD 319>; + clock-names = "pcie"; + max-functions = /bits/ 8 <1>; + };
--
2.7.4
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