From 03bdc3884019fb6463ac8163cc0e890920515f8b Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Thu, 13 Feb 2020 12:06:35 +0800 Subject: PCI: mobiveil: Modularize the Mobiveil PCIe Host Bridge IP driver Modularize the Mobiveil PCIe host driver according to the abstraction of Root Complex and Endpoint and move it into a new directory in order to make it easier to reuse the driver functions to add new host drivers for systems integrating the Mobiveil PCIe GPEX IP. Signed-off-by: Hou Zhiqiang [lorenzo.pieralisi@arm.com: updated commit log] Signed-off-by: Lorenzo Pieralisi Reviewed-by: Andrew Murray --- MAINTAINERS | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 38fe2f3f7b6f..f0b6fb59d598 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12794,7 +12794,7 @@ M: Hou Zhiqiang L: linux-pci@vger.kernel.org S: Supported F: Documentation/devicetree/bindings/pci/mobiveil-pcie.txt -F: drivers/pci/controller/pcie-mobiveil.c +F: drivers/pci/controller/mobiveil/pcie-mobiveil* PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support) M: Thomas Petazzoni -- cgit v1.2.3-59-g8ed1b From 3edeb49525bbe34441618fdc5912b1ec37b2a61c Mon Sep 17 00:00:00 2001 From: Hou Zhiqiang Date: Thu, 13 Feb 2020 12:06:41 +0800 Subject: dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller Add PCIe Gen4 controller DT bindings of NXP Layerscape SoCs. Signed-off-by: Hou Zhiqiang Signed-off-by: Lorenzo Pieralisi Reviewed-by: Rob Herring --- .../bindings/pci/layerscape-pcie-gen4.txt | 52 ++++++++++++++++++++++ MAINTAINERS | 8 ++++ 2 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt (limited to 'MAINTAINERS') diff --git a/Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt b/Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt new file mode 100644 index 000000000000..b40fb5d15d3d --- /dev/null +++ b/Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt @@ -0,0 +1,52 @@ +NXP Layerscape PCIe Gen4 controller + +This PCIe controller is based on the Mobiveil PCIe IP and thus inherits all +the common properties defined in mobiveil-pcie.txt. + +Required properties: +- compatible: should contain the platform identifier such as: + "fsl,lx2160a-pcie" +- reg: base addresses and lengths of the PCIe controller register blocks. + "csr_axi_slave": Bridge config registers + "config_axi_slave": PCIe controller registers +- interrupts: A list of interrupt outputs of the controller. Must contain an + entry for each entry in the interrupt-names property. +- interrupt-names: It could include the following entries: + "intr": The interrupt that is asserted for controller interrupts + "aer": Asserted for aer interrupt when chip support the aer interrupt with + none MSI/MSI-X/INTx mode,but there is interrupt line for aer. + "pme": Asserted for pme interrupt when chip support the pme interrupt with + none MSI/MSI-X/INTx mode,but there is interrupt line for pme. +- dma-coherent: Indicates that the hardware IP block can ensure the coherency + of the data transferred from/to the IP block. This can avoid the software + cache flush/invalid actions, and improve the performance significantly. +- msi-parent : See the generic MSI binding described in + Documentation/devicetree/bindings/interrupt-controller/msi.txt. + +Example: + + pcie@3400000 { + compatible = "fsl,lx2160a-pcie"; + reg = <0x00 0x03400000 0x0 0x00100000 /* controller registers */ + 0x80 0x00000000 0x0 0x00001000>; /* configuration space */ + reg-names = "csr_axi_slave", "config_axi_slave"; + interrupts = , /* AER interrupt */ + , /* PME interrupt */ + ; /* controller interrupt */ + interrupt-names = "aer", "pme", "intr"; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + apio-wins = <8>; + ppio-wins = <8>; + dma-coherent; + bus-range = <0x0 0xff>; + msi-parent = <&its>; + ranges = <0x82000000 0x0 0x40000000 0x80 0x40000000 0x0 0x40000000>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0000 0 0 1 &gic 0 0 GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 2 &gic 0 0 GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 3 &gic 0 0 GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>, + <0000 0 0 4 &gic 0 0 GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index f0b6fb59d598..0d39b3745356 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12752,6 +12752,14 @@ L: linux-arm-kernel@lists.infradead.org S: Maintained F: drivers/pci/controller/dwc/*layerscape* +PCI DRIVER FOR NXP LAYERSCAPE GEN4 CONTROLLER +M: Hou Zhiqiang +L: linux-pci@vger.kernel.org +L: linux-arm-kernel@lists.infradead.org +S: Maintained +F: Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt +F: drivers/pci/controller/mobibeil/pcie-layerscape-gen4.c + PCI DRIVER FOR GENERIC OF HOSTS M: Will Deacon L: linux-pci@vger.kernel.org -- cgit v1.2.3-59-g8ed1b From 11be8af70d86c0a03706b329fb6f1a7329e3343a Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Thu, 5 Mar 2020 16:00:16 +0530 Subject: dt-bindings: PCI: Convert PCIe Host/Endpoint in Cadence platform to DT schema Include Cadence core DT schema and define the Cadence platform DT schema for both Host and Endpoint mode. Note: The Cadence core DT schema could be included for other platforms using Cadence PCIe core. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Lorenzo Pieralisi Reviewed-by: Rob Herring --- .../devicetree/bindings/pci/cdns,cdns-pcie-ep.txt | 27 -------- .../devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml | 49 ++++++++++++++ .../bindings/pci/cdns,cdns-pcie-host.txt | 66 ------------------- .../bindings/pci/cdns,cdns-pcie-host.yaml | 76 ++++++++++++++++++++++ MAINTAINERS | 2 +- 5 files changed, 126 insertions(+), 94 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt create mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml delete mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt create mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml (limited to 'MAINTAINERS') diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt deleted file mode 100644 index 4a0475e2ba7e..000000000000 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt +++ /dev/null @@ -1,27 +0,0 @@ -* Cadence PCIe endpoint controller - -Required properties: -- compatible: Should contain "cdns,cdns-pcie-ep" to identify the IP used. -- reg: Should contain the controller register base address and AXI interface - region base address respectively. -- reg-names: Must be "reg" and "mem" respectively. -- cdns,max-outbound-regions: Set to maximum number of outbound regions - -Optional properties: -- max-functions: Maximum number of functions that can be configured (default 1). -- phys: From PHY bindings: List of Generic PHY phandles. One per lane if more - than one in the list. If only one PHY listed it must manage all lanes. -- phy-names: List of names to identify the PHY. - -Example: - -pcie@fc000000 { - compatible = "cdns,cdns-pcie-ep"; - reg = <0x0 0xfc000000 0x0 0x01000000>, - <0x0 0x80000000 0x0 0x40000000>; - reg-names = "reg", "mem"; - cdns,max-outbound-regions = <16>; - max-functions = /bits/ 8 <8>; - phys = <&ep_phy0 &ep_phy1>; - phy-names = "pcie-lane0","pcie-lane1"; -}; diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml new file mode 100644 index 000000000000..2996f8d4777c --- /dev/null +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/cdns,cdns-pcie-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence PCIe EP Controller + +maintainers: + - Tom Joseph + +allOf: + - $ref: "cdns-pcie.yaml#" + - $ref: "pci-ep.yaml#" + +properties: + compatible: + const: cdns,cdns-pcie-ep + + reg: + maxItems: 2 + + reg-names: + items: + - const: reg + - const: mem + +required: + - reg + - reg-names + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + pcie-ep@fc000000 { + compatible = "cdns,cdns-pcie-ep"; + reg = <0x0 0xfc000000 0x0 0x01000000>, + <0x0 0x80000000 0x0 0x40000000>; + reg-names = "reg", "mem"; + cdns,max-outbound-regions = <16>; + max-functions = /bits/ 8 <8>; + phys = <&pcie_phy0>; + phy-names = "pcie-phy"; + }; + }; +... diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt deleted file mode 100644 index 91de69c713a9..000000000000 --- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt +++ /dev/null @@ -1,66 +0,0 @@ -* Cadence PCIe host controller - -This PCIe controller inherits the base properties defined in -host-generic-pci.txt. - -Required properties: -- compatible: Should contain "cdns,cdns-pcie-host" to identify the IP used. -- reg: Should contain the controller register base address, PCIe configuration - window base address, and AXI interface region base address respectively. -- reg-names: Must be "reg", "cfg" and "mem" respectively. -- #address-cells: Set to <3> -- #size-cells: Set to <2> -- device_type: Set to "pci" -- ranges: Ranges for the PCI memory and I/O regions -- #interrupt-cells: Set to <1> -- interrupt-map-mask and interrupt-map: Standard PCI properties to define the - mapping of the PCIe interface to interrupt numbers. - -Optional properties: -- cdns,max-outbound-regions: Set to maximum number of outbound regions - (default 32) -- cdns,no-bar-match-nbits: Set into the no BAR match register to configure the - number of least significant bits kept during inbound (PCIe -> AXI) address - translations (default 32) -- vendor-id: The PCI vendor ID (16 bits, default is design dependent) -- device-id: The PCI device ID (16 bits, default is design dependent) -- phys: From PHY bindings: List of Generic PHY phandles. One per lane if more - than one in the list. If only one PHY listed it must manage all lanes. -- phy-names: List of names to identify the PHY. - -Example: - -pcie@fb000000 { - compatible = "cdns,cdns-pcie-host"; - device_type = "pci"; - #address-cells = <3>; - #size-cells = <2>; - bus-range = <0x0 0xff>; - linux,pci-domain = <0>; - cdns,max-outbound-regions = <16>; - cdns,no-bar-match-nbits = <32>; - vendor-id = /bits/ 16 <0x17cd>; - device-id = /bits/ 16 <0x0200>; - - reg = <0x0 0xfb000000 0x0 0x01000000>, - <0x0 0x41000000 0x0 0x00001000>, - <0x0 0x40000000 0x0 0x04000000>; - reg-names = "reg", "cfg", "mem"; - - ranges = <0x02000000 0x0 0x42000000 0x0 0x42000000 0x0 0x1000000>, - <0x01000000 0x0 0x43000000 0x0 0x43000000 0x0 0x0010000>; - - #interrupt-cells = <0x1>; - - interrupt-map = <0x0 0x0 0x0 0x1 &gic 0x0 0x0 0x0 14 0x1 - 0x0 0x0 0x0 0x2 &gic 0x0 0x0 0x0 15 0x1 - 0x0 0x0 0x0 0x3 &gic 0x0 0x0 0x0 16 0x1 - 0x0 0x0 0x0 0x4 &gic 0x0 0x0 0x0 17 0x1>; - - interrupt-map-mask = <0x0 0x0 0x0 0x7>; - - msi-parent = <&its_pci>; - - phys = <&pcie_phy0>; - phy-names = "pcie-phy"; -}; diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml new file mode 100644 index 000000000000..cabbe46ff578 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/cdns,cdns-pcie-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence PCIe host controller + +maintainers: + - Tom Joseph + +allOf: + - $ref: /schemas/pci/pci-bus.yaml# + - $ref: "cdns-pcie-host.yaml#" + +properties: + compatible: + const: cdns,cdns-pcie-host + + reg: + maxItems: 3 + + reg-names: + items: + - const: reg + - const: cfg + - const: mem + + msi-parent: true + +required: + - reg + - reg-names + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + pcie@fb000000 { + compatible = "cdns,cdns-pcie-host"; + device_type = "pci"; + #address-cells = <3>; + #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>; + + reg = <0x0 0xfb000000 0x0 0x01000000>, + <0x0 0x41000000 0x0 0x00001000>, + <0x0 0x40000000 0x0 0x04000000>; + reg-names = "reg", "cfg", "mem"; + + ranges = <0x02000000 0x0 0x42000000 0x0 0x42000000 0x0 0x1000000>, + <0x01000000 0x0 0x43000000 0x0 0x43000000 0x0 0x0010000>; + + #interrupt-cells = <0x1>; + + interrupt-map = <0x0 0x0 0x0 0x1 &gic 0x0 0x0 0x0 14 0x1>, + <0x0 0x0 0x0 0x2 &gic 0x0 0x0 0x0 15 0x1>, + <0x0 0x0 0x0 0x3 &gic 0x0 0x0 0x0 16 0x1>, + <0x0 0x0 0x0 0x4 &gic 0x0 0x0 0x0 17 0x1>; + + interrupt-map-mask = <0x0 0x0 0x0 0x7>; + + msi-parent = <&its_pci>; + + phys = <&pcie_phy0>; + phy-names = "pcie-phy"; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 38fe2f3f7b6f..e0402e001edd 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12739,7 +12739,7 @@ PCI DRIVER FOR CADENCE PCIE IP M: Tom Joseph L: linux-pci@vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/pci/cdns,*.txt +F: Documentation/devicetree/bindings/pci/cdns,* F: drivers/pci/controller/pcie-cadence* PCI DRIVER FOR FREESCALE LAYERSCAPE -- cgit v1.2.3-59-g8ed1b