On Fri, 2020-09-11 at 16:45 -0600, Rob Herring wrote: > On Thu, Sep 10, 2020 at 11:45:34AM +0800, Jianjun Wang wrote: > > Add YAML schemas documentation for Gen3 PCIe controller on > > MediaTek SoCs. > > > > Signed-off-by: Jianjun Wang <jianjun.wang@xxxxxxxxxxxx> > > Acked-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> > > --- > > .../bindings/pci/mediatek-pcie-gen3.yaml | 130 ++++++++++++++++++ > > 1 file changed, 130 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > > > > diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > > new file mode 100644 > > index 000000000000..a2dfc0d15d2e > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > > @@ -0,0 +1,130 @@ > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/pci/mediatek-pcie-gen3.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Gen3 PCIe controller on MediaTek SoCs > > + > > +maintainers: > > + - Jianjun Wang <jianjun.wang@xxxxxxxxxxxx> > > + > > +allOf: > > + - $ref: /schemas/pci/pci-bus.yaml# > > + > > +properties: > > + compatible: > > + oneOf: > > + - const: mediatek,gen3-pcie > > Generic compatibles like this should only be a fallback string, not on > its own. > > > + - const: mediatek,mt8192-pcie > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + bus-range: > > + description: Range of bus numbers associated with this controller. > > Drop this. Standard property. Thanks for your review, I will drop it in the next version. > > > + > > + ranges: > > + minItems: 1 > > + maxItems: 8 > > + > > + resets: > > + minItems: 1 > > + maxItems: 2 > > + > > + reset-names: > > + anyOf: > > + - const: mac-rst > > + - const: phy-rst > > + > > + clocks: > > + maxItems: 5 > > + > > + assigned-clocks: > > + maxItems: 1 > > + > > + assigned-clock-parents: > > + maxItems: 1 > > + > > + phys: > > + maxItems: 1 > > + > > + '#interrupt-cells': > > + const: 1 > > + > > + interrupt-controller: > > + description: Interrupt controller node for handling legacy PCI interrupts. > > + type: object > > + properties: > > + '#address-cells': > > + const: 0 > > + '#interrupt-cells': > > + const: 1 > > + interrupt-controller: true > > + > > + required: > > + - '#address-cells' > > + - '#interrupt-cells' > > + - interrupt-controller > > + > > + additionalProperties: false > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - ranges > > + - clocks > > + - '#interrupt-cells' > > + - interrupt-controller > > + > > +unevaluatedProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/interrupt-controller/irq.h> > > + > > + bus { > > + #address-cells = <2>; > > + #size-cells = <2>; > > + > > + pcie: pcie@11230000 { > > + compatible = "mediatek,mt8192-pcie"; > > + device_type = "pci"; > > + #address-cells = <3>; > > + #size-cells = <2>; > > + reg = <0x00 0x11230000 0x00 0x4000>; > > + reg-names = "pcie-mac"; > > + interrupts = <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH 0>; > > + bus-range = <0x00 0xff>; > > + ranges = <0x82000000 0x00 0x12000000 0x00 0x12000000 0x00 0x1000000>; > > + clocks = <&infracfg 40>, > > + <&infracfg 43>, > > + <&infracfg 97>, > > + <&infracfg 99>, > > + <&infracfg 111>; > > + assigned-clocks = <&topckgen 50>; > > + assigned-clock-parents = <&topckgen 91>; > > + > > + phys = <&pciephy>; > > + phy-names = "pcie-phy"; > > + resets = <&infracfg_rst 0>; > > + reset-names = "phy-rst"; > > + > > + #interrupt-cells = <1>; > > + interrupt-map-mask = <0 0 0 0x7>; > > + interrupt-map = <0 0 0 1 &pcie_intc 0>, > > + <0 0 0 2 &pcie_intc 1>, > > + <0 0 0 3 &pcie_intc 2>, > > + <0 0 0 4 &pcie_intc 3>; > > + pcie_intc: interrupt-controller { > > + #address-cells = <0>; > > + #interrupt-cells = <1>; > > + interrupt-controller; > > + }; > > + }; > > + }; > > -- > > 2.25.1
