| Message ID | 20191209092147.22901-11-kishon@ti.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add PCIe support to TI's J721E SoC | expand |
+Tom On 19/12/19 5:44 am, Rob Herring wrote: > On Mon, Dec 09, 2019 at 02:51:44PM +0530, Kishon Vijay Abraham I wrote: >> Add PCIe EP mode dt-bindings for TI's J721E SoC. >> >> Cc: Rob Herring <robh+dt@kernel.org> >> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> >> --- >> .../bindings/pci/ti,j721e-pci-ep.yaml | 113 ++++++++++++++++++ >> 1 file changed, 113 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml >> >> diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml >> new file mode 100644 >> index 000000000000..4e2af4733998 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml >> @@ -0,0 +1,113 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +# Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ >> +%YAML 1.2 >> +--- >> +$id: "http://devicetree.org/schemas/pci/ti,j721e-pci-ep.yaml#" >> +$schema: "http://devicetree.org/meta-schemas/core.yaml#" >> + >> +title: TI J721E PCI EP (PCIe Wrapper) >> + >> +maintainers: >> + - Kishon Vijay Abraham I <kishon@ti.com> >> + >> +properties: >> + compatible: >> + enum: >> + - ti,j721e-pcie-ep > > Indentation. > >> + >> + reg: >> + maxItems: 4 >> + >> + reg-names: >> + items: >> + - const: intd_cfg >> + - const: user_cfg >> + - const: reg >> + - const: mem >> + >> + ti,syscon-pcie-ctrl: >> + description: Phandle to the SYSCON entry required for configuring PCIe mode >> + and link speed. >> + allOf: >> + - $ref: /schemas/types.yaml#/definitions/phandle >> + >> + max-link-speed: >> + minimum: 1 >> + maximum: 3 >> + >> + num-lanes: >> + minimum: 1 >> + maximum: 2 >> + >> + power-domains: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 1 >> + description: clock-specifier to represent input to the PCIe >> + >> + clock-names: >> + items: >> + - const: fck >> + >> + cdns,max-outbound-regions: >> + description: As defined in >> + Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt >> + allOf: >> + - $ref: /schemas/types.yaml#/definitions/int32 > > uint32 > >> + - enum: [16] >> + >> + max-functions: >> + minimum: 1 >> + maximum: 6 > > Needs a type ref. Or a common definition. > >> + >> + dma-coherent: >> + description: Indicates that the PCIe IP block can ensure the coherency >> + >> + phys: > > How many? Need to convert cdns,cdns-pcie-host.txt... Tom, Can you convert cdns,cdns-pcie-host.txt to YAML binding? > >> + description: As defined in >> + Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt >> + >> + phy-names: >> + description: As defined in >> + Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt > > For all the properties shared with host mode, it might make sense to > define a common schema with all those properties and then include it in > the host and endpoint schemas. Sure. Thanks Kishon
diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml new file mode 100644 index 000000000000..4e2af4733998 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml @@ -0,0 +1,113 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/pci/ti,j721e-pci-ep.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: TI J721E PCI EP (PCIe Wrapper) + +maintainers: + - Kishon Vijay Abraham I <kishon@ti.com> + +properties: + compatible: + enum: + - ti,j721e-pcie-ep + + reg: + maxItems: 4 + + reg-names: + items: + - const: intd_cfg + - const: user_cfg + - const: reg + - const: mem + + ti,syscon-pcie-ctrl: + description: Phandle to the SYSCON entry required for configuring PCIe mode + and link speed. + allOf: + - $ref: /schemas/types.yaml#/definitions/phandle + + max-link-speed: + minimum: 1 + maximum: 3 + + num-lanes: + minimum: 1 + maximum: 2 + + power-domains: + maxItems: 1 + + clocks: + maxItems: 1 + description: clock-specifier to represent input to the PCIe + + clock-names: + items: + - const: fck + + cdns,max-outbound-regions: + description: As defined in + Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt + allOf: + - $ref: /schemas/types.yaml#/definitions/int32 + - enum: [16] + + max-functions: + minimum: 1 + maximum: 6 + + dma-coherent: + description: Indicates that the PCIe IP block can ensure the coherency + + phys: + description: As defined in + Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt + + phy-names: + description: As defined in + Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt + +required: + - compatible + - reg + - reg-names + - ti,syscon-pcie-ctrl + - max-link-speed + - num-lanes + - power-domains + - clocks + - clock-names + - cdns,max-outbound-regions + - dma-coherent + - max-functions + - phys + - phy-names + +examples: + - | + #include <dt-bindings/soc/ti,sci_pm_domain.h> + + pcie0_ep: pcie-ep@d000000 { + compatible = "ti,j721e-pcie-ep"; + reg = <0x00 0x02900000 0x00 0x1000>, + <0x00 0x02907000 0x00 0x400>, + <0x00 0x0d000000 0x00 0x00800000>, + <0x00 0x10000000 0x00 0x08000000>; + reg-names = "intd_cfg", "user_cfg", "reg", "mem"; + ti,syscon-pcie-ctrl = <&pcie0_ctrl>; + max-link-speed = <3>; + num-lanes = <2>; + power-domains = <&k3_pds 239 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 239 1>; + clock-names = "fck"; + cdns,max-outbound-regions = <16>; + max-functions = /bits/ 8 <6>; + dma-coherent; + phys = <&serdes0_pcie_link>; + phy-names = "pcie_phy"; + };
Add PCIe EP mode dt-bindings for TI's J721E SoC. Cc: Rob Herring <robh+dt@kernel.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> --- .../bindings/pci/ti,j721e-pci-ep.yaml | 113 ++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml -- 2.17.1