| Message ID | 20230414061622.2930995-15-yoshihiro.shimoda.uh@renesas.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | PCI: rcar-gen4: Add R-Car Gen4 PCIe support | expand |
Hi, > From: Rob Herring, Sent: Friday, April 14, 2023 9:37 PM > > On Fri, 14 Apr 2023 15:16:17 +0900, Yoshihiro Shimoda wrote: > > Document bindings for Renesas R-Car Gen4 and R-Car S4-8 (R8A779F0) > > PCIe host module. > > > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> > > Reviewed-by: Rob Herring <robh@kernel.org> > > Reviewed-by: Serge Semin <fancer.lancer@gmail.com> > > --- > > .../bindings/pci/rcar-gen4-pci-host.yaml | 109 ++++++++++++++++++ > > 1 file changed, 109 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml > > > > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check' > on your patch (DT_CHECKER_FLAGS is new in v5.13): > > yamllint warnings/errors: > > dtschema/dtc warnings/errors: > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.example.dtb: > pcie@e65d0000: reg: [[0, 3864854528, 0, 4096], [0, 3864862720, 0, 2048], [0, 3864866816, 0, 8192], [0, 3864875008, 0, > 4608], [0, 3864879616, 0, 3584], [0, 4261412864, 0, 4194304]] is too long > From schema: > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.example.dtb: > pcie@e65d0000: reg-names: ['dbi', 'dbi2', 'atu', 'dma', 'app', 'config'] is too long > From schema: > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.example.dtb: > pcie@e65d0000: Unevaluated properties are not allowed ('#address-cells', '#interrupt-cells', '#size-cells', 'bus-range', > 'device_type', 'dma-ranges', 'interrupt-map', 'interrupt-map-mask', 'ranges', 'snps,enable-cdm-check' were unexpected) > From schema: > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml I should have revised Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml about maxItems of regs and reg-names. I'll make such a patch on v13. Best regards, Yoshihiro Shimoda
diff --git a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml new file mode 100644 index 000000000000..637353c3df8b --- /dev/null +++ b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Renesas Electronics Corp. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/rcar-gen4-pci-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car Gen4 PCIe Host + +maintainers: + - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> + +allOf: + - $ref: snps,dw-pcie.yaml# + +properties: + compatible: + items: + - const: renesas,r8a779f0-pcie # R-Car S4-8 + - const: renesas,rcar-gen4-pcie # R-Car Gen4 + + reg: + maxItems: 6 + + reg-names: + items: + - const: dbi + - const: dbi2 + - const: atu + - const: dma + - const: app + - const: config + + interrupts: + maxItems: 4 + + interrupt-names: + items: + - const: msi + - const: dma + - const: sft_ce + - const: app + + clocks: + maxItems: 1 + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + max-link-speed: + maximum: 4 + + num-lanes: + maximum: 4 + +required: + - compatible + - reg + - interrupts + - clocks + - power-domains + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a779f0-cpg-mssr.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/r8a779f0-sysc.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie: pcie@e65d0000 { + compatible = "renesas,r8a779f0-pcie", "renesas,rcar-gen4-pcie"; + reg = <0 0xe65d0000 0 0x1000>, <0 0xe65d2000 0 0x0800>, + <0 0xe65d3000 0 0x2000>, <0 0xe65d5000 0 0x1200>, + <0 0xe65d6200 0 0x0e00>, <0 0xfe000000 0 0x400000>; + reg-names = "dbi", "dbi2", "atu", "dma", "app", "config"; + #address-cells = <3>; + #size-cells = <2>; + bus-range = <0x00 0xff>; + device_type = "pci"; + ranges = <0x81000000 0 0x00000000 0 0xfe000000 0 0x00400000 + 0x82000000 0 0x30000000 0 0x30000000 0 0x10000000>; + dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>; + interrupts = <GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "msi", "dma", "sft_ce", "app"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH + 0 0 0 2 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH + 0 0 0 3 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH + 0 0 0 4 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 624>; + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; + resets = <&cpg 624>; + num-lanes = <2>; + snps,enable-cdm-check; + max-link-speed = <2>; + }; + };