On 2023/4/7 2:24, Krzysztof Kozlowski wrote: > On 06/04/2023 13:11, Minda Chen wrote: >> Add PCIe controller driver dt-binding documents >> for StarFive JH7110 SoC platform. > > Use subject prefixes matching the subsystem (which you can get for > example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory > your patch is touching). Missing: 's' > > Subject: drop second/last, redundant "dt-binding documents". The > "dt-bindings" prefix is already stating that these are bindings and > documentation. > > Drop also full stop. > ok, thanks >> >> Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx> >> --- >> .../bindings/pci/starfive,jh7110-pcie.yaml | 163 ++++++++++++++++++ >> 1 file changed, 163 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml >> >> diff --git a/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml b/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml >> new file mode 100644 >> index 000000000000..fa4829766195 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/pci/starfive,jh7110-pcie.yaml >> @@ -0,0 +1,163 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/pci/starfive,jh7110-pcie.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: StarFive JH7110 PCIe 2.0 host controller >> + >> +maintainers: >> + - Minda Chen <minda.chen@xxxxxxxxxxxxxxxx> >> + >> +allOf: >> + - $ref: /schemas/pci/pci-bus.yaml# >> + - $ref: /schemas/interrupt-controller/msi-controller.yaml# >> + >> +properties: >> + compatible: >> + const: starfive,jh7110-pcie >> + >> + reg: >> + maxItems: 2 >> + >> + reg-names: >> + items: >> + - const: reg >> + - const: config >> + >> + msi-parent: true >> + >> + interrupts: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 4 >> + >> + clock-names: >> + items: >> + - const: noc >> + - const: tl >> + - const: axi_mst0 >> + - const: apb >> + >> + resets: >> + items: >> + - description: AXI MST0 reset >> + - description: AXI SLAVE reset >> + - description: AXI SLAVE0 reset >> + - description: PCIE BRIDGE reset >> + - description: PCIE CORE reset >> + - description: PCIE APB reset >> + >> + reset-names: >> + items: >> + - const: mst0 >> + - const: slv0 >> + - const: slv >> + - const: brg >> + - const: core >> + - const: apb >> + >> + starfive,stg-syscon: >> + $ref: /schemas/types.yaml#/definitions/phandle-array >> + items: >> + items: >> + - description: phandle to System Register Controller stg_syscon node. >> + - description: register0 offset of STG_SYSCONSAIF__SYSCFG register for PCIe. >> + - description: register1 offset of STG_SYSCONSAIF__SYSCFG register for PCIe. >> + - description: register2 offset of STG_SYSCONSAIF__SYSCFG register for PCIe. >> + - description: register3 offset of STG_SYSCONSAIF__SYSCFG register for PCIe. >> + description: >> + The phandle to System Register Controller syscon node and the offset >> + of STG_SYSCONSAIF__SYSCFG register for PCIe. Total 4 regsisters offset >> + for PCIe. >> + >> + pwren-gpios: >> + description: Should specify the GPIO for controlling the PCI bus device power on. > > What are these? Different than defined in gpio-consumer-common? > power gpio board level configuration. It it not a requried property >> + maxItems: 1 >> + >> + reset-gpios: >> + maxItems: 1 >> + >> + phys: >> + maxItems: 1 >> + >> + interrupt-controller: >> + type: object >> + properties: >> + '#address-cells': >> + const: 0 >> + >> + '#interrupt-cells': >> + const: 1 >> + >> + interrupt-controller: true >> + >> + required: >> + - '#address-cells' >> + - '#interrupt-cells' >> + - interrupt-controller >> + >> + additionalProperties: false >> + >> +required: >> + - reg >> + - reg-names >> + - "#interrupt-cells" > > Keep consistent quotes - either ' or " > > Are you sure this is correct? You have interrupt controller as child node. > > >> + - interrupts >> + - interrupt-map-mask >> + - interrupt-map >> + - clocks >> + - clock-names >> + - resets >> + - msi-controller >> + >> +unevaluatedProperties: false >> + >> +examples: >> + - | >> + bus { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + >> + pcie0: pcie@2B000000 { > > Lowercase hex. Everywhere. > ok >> + compatible = "starfive,jh7110-pcie"; >> + #address-cells = <3>; >> + #size-cells = <2>; >> + #interrupt-cells = <1>; >> + reg = <0x0 0x2B000000 0x0 0x1000000>, >> + <0x9 0x40000000 0x0 0x10000000>; > > reg (and reg-names and ranges) is always second property. > ok >> + reg-names = "reg", "config"; >> + device_type = "pci"; >> + starfive,stg-syscon = <&stg_syscon 0xc0 0xc4 0x130 0x1b8>; >> + bus-range = <0x0 0xff>; >> + ranges = <0x82000000 0x0 0x30000000 0x0 0x30000000 0x0 0x08000000>, >> + <0xc3000000 0x9 0x00000000 0x9 0x00000000 0x0 0x40000000>; >> + interrupt-parent = <&plic>; >> + interrupts = <56>; >> + interrupt-map-mask = <0x0 0x0 0x0 0x7>; >> + interrupt-map = <0x0 0x0 0x0 0x1 &pcie_intc0 0x1>, >> + <0x0 0x0 0x0 0x2 &pcie_intc0 0x2>, >> + <0x0 0x0 0x0 0x3 &pcie_intc0 0x3>, >> + <0x0 0x0 0x0 0x4 &pcie_intc0 0x4>; > > > Best regards, > Krzysztof >