linux-kernel - Re: [PATCH v3 11/14] dt-bindings: PCI: Add EP mode dt-bindings for TI's J721E SoC

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Date:   Wed, 29 Apr 2020 21:13:28 -0500
From:   Rob Herring <robh@...nel.org>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Tom Joseph <tjoseph@...ence.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Andrew Murray <amurray@...goodpenguin.co.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 11/14] dt-bindings: PCI: Add EP mode dt-bindings for
 TI's J721E SoC

On Fri, Apr 17, 2020 at 06:27:50PM +0530, Kishon Vijay Abraham I wrote:
> Add PCIe EP mode dt-bindings for TI's J721E SoC.
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> ---
>  .../bindings/pci/ti,j721e-pci-ep.yaml         | 89 +++++++++++++++++++
>  1 file changed, 89 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..cb25c45d5a96
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
> @@ -0,0 +1,89 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (C) 2020 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@...com>
> +
> +allOf:
> +  - $ref: "cdns-pcie-ep.yaml#"
> +
> +properties:
> +  compatible:
> +      enum:
> +          - ti,j721e-pcie-ep

Wrong indentation.

Otherwise,

Reviewed-by: Rob Herring <robh@...nel.org>

> +
> +  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
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description: clock-specifier to represent input to the PCIe
> +
> +  clock-names:
> +    items:
> +      - const: fck
> +
> +  dma-coherent:
> +    description: Indicates that the PCIe IP block can ensure the coherency
> +
> +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@...0000 {
> +            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";
> +    };
> -- 
> 2.17.1
>