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97 files changed, 3682 insertions, 2006 deletions
diff --git a/Documentation/PCI/endpoint/pci-endpoint.rst b/Documentation/PCI/endpoint/pci-endpoint.rst index 0e2311b5617b..7536be445db8 100644 --- a/Documentation/PCI/endpoint/pci-endpoint.rst +++ b/Documentation/PCI/endpoint/pci-endpoint.rst @@ -78,8 +78,8 @@ by the PCI controller driver. Cleanup the pci_epc_mem structure allocated during pci_epc_mem_init(). -APIs for the PCI Endpoint Function Driver -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +EPC APIs for the PCI Endpoint Function Driver +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This section lists the APIs that the PCI Endpoint core provides to be used by the PCI endpoint function driver. @@ -117,8 +117,8 @@ by the PCI endpoint function driver. The PCI endpoint function driver should use pci_epc_mem_free_addr() to free the memory space allocated using pci_epc_mem_alloc_addr(). -Other APIs -~~~~~~~~~~ +Other EPC APIs +~~~~~~~~~~~~~~ There are other APIs provided by the EPC library. These are used for binding the EPF device with EPC device. pci-ep-cfs.c can be used as reference for @@ -160,8 +160,8 @@ PCI Endpoint Function(EPF) Library The EPF library provides APIs to be used by the function driver and the EPC library to provide endpoint mode functionality. -APIs for the PCI Endpoint Function Driver -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +EPF APIs for the PCI Endpoint Function Driver +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This section lists the APIs that the PCI Endpoint core provides to be used by the PCI endpoint function driver. @@ -204,8 +204,8 @@ by the PCI endpoint controller library. The PCI endpoint controller library invokes pci_epf_linkup() when the EPC device has established the connection to the host. -Other APIs -~~~~~~~~~~ +Other EPF APIs +~~~~~~~~~~~~~~ There are other APIs provided by the EPF library. These are used to notify the function driver when the EPF device is bound to the EPC device. diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt index 310ef7145c47..2b8ca920a7fa 100644 --- a/Documentation/devicetree/bindings/pci/aardvark-pci.txt +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt @@ -19,6 +19,9 @@ contain the following properties: - interrupt-map-mask and interrupt-map: standard PCI properties to define the mapping of the PCIe interface to interrupt numbers. - bus-range: PCI bus numbers covered + - phys: the PCIe PHY handle + - max-link-speed: see pci.txt + - reset-gpios: see pci.txt In addition, the Device Tree describing an Aardvark PCIe controller must include a sub-node that describes the legacy interrupt controller @@ -48,6 +51,7 @@ Example: <0 0 0 2 &pcie_intc 1>, <0 0 0 3 &pcie_intc 2>, <0 0 0 4 &pcie_intc 3>; + phys = <&comphy1 0>; pcie_intc: interrupt-controller { interrupt-controller; #interrupt-cells = <1>; diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml index 77d3e81a437b..8680a0f86c5a 100644 --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -56,6 +56,8 @@ properties: description: Indicates usage of spread-spectrum clocking. type: boolean + aspm-no-l0s: true + required: - reg - dma-ranges diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml index 2996f8d4777c..50ce5d79d2c7 100644 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml @@ -10,7 +10,7 @@ maintainers: - Tom Joseph <tjoseph@cadence.com> allOf: - - $ref: "cdns-pcie.yaml#" + - $ref: "cdns-pcie-ep.yaml#" - $ref: "pci-ep.yaml#" properties: diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml index cabbe46ff578..84a8f095d031 100644 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml @@ -45,8 +45,6 @@ examples: #size-cells = <2>; bus-range = <0x0 0xff>; linux,pci-domain = <0>; - cdns,max-outbound-regions = <16>; - cdns,no-bar-match-nbits = <32>; vendor-id = <0x17cd>; device-id = <0x0200>; @@ -57,6 +55,7 @@ examples: ranges = <0x02000000 0x0 0x42000000 0x0 0x42000000 0x0 0x1000000>, <0x01000000 0x0 0x43000000 0x0 0x43000000 0x0 0x0010000>; + dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x1 0x00000000>; #interrupt-cells = <0x1>; diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml new file mode 100644 index 000000000000..6150a7a7bdbf --- /dev/null +++ b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/pci/cdns-pcie-ep.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Cadence PCIe Device + +maintainers: + - Tom Joseph <tjoseph@cadence.com> + +allOf: + - $ref: "cdns-pcie.yaml#" + +properties: + cdns,max-outbound-regions: + description: maximum number of outbound regions + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 32 + default: 32 + +required: + - cdns,max-outbound-regions diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml index cb4e700c0269..c87a3a36ccd2 100644 --- a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml @@ -14,6 +14,15 @@ allOf: - $ref: "cdns-pcie.yaml#" properties: + cdns,max-outbound-regions: + description: maximum number of outbound regions + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 32 + default: 32 + deprecated: true + cdns,no-bar-match-nbits: description: Set into the no BAR match register to configure the number of least @@ -22,5 +31,6 @@ properties: minimum: 0 maximum: 64 default: 32 + deprecated: true msi-parent: true diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml index fd3978364da9..02553d5e6c51 100644 --- a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml @@ -10,13 +10,6 @@ maintainers: - Tom Joseph <tjoseph@cadence.com> properties: - cdns,max-outbound-regions: - description: maximum number of outbound regions - $ref: /schemas/types.yaml#/definitions/uint32 - minimum: 1 - maximum: 32 - default: 32 - phys: description: One per lane if more than one in the list. If only one PHY listed it must diff --git a/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml b/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml new file mode 100644 index 000000000000..aa483c7f27fd --- /dev/null +++ b/Documentation/devicetree/bindings/pci/rcar-pci-ep.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2020 Renesas Electronics Europe GmbH - https://www.renesas.com/eu/en/ +%YAML 1.2 +--- +$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> + - Yoshihiro Shimoda <yoshihiro.shimoda.uh@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: 1 + +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 = <0xfe000000 0x80000>, + <0xfe100000 0x100000>, + <0xfe200000 0x200000>, + <0x30000000 0x8000000>, + <0x38000000 0x8000000>; + reg-names = "apb-base", "memory0", "memory1", "memory2", "memory3"; |