linux-kernel - Re: [PATCH v10 1/2] dt-bindings: phy: intel-emmc-phy: Add YAML schema for LGM eMMC PHY

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Message-ID: <CAL_Jsq+qcR=3y1TQ+qrbfNW=_3kJ92eZP5eYvGYgteYWHyDVPw@mail.gmail.com>
Date:   Mon, 13 Jan 2020 11:55:55 -0600
From:   Rob Herring <robh@...nel.org>
To:     "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org, Kishon Vijay Abraham I <kishon@...com>,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com,
        peter.harliman.liem@...el.com
Subject: Re: [PATCH v10 1/2] dt-bindings: phy: intel-emmc-phy: Add YAML schema
 for LGM eMMC PHY

On Mon, Dec 16, 2019 at 7:57 PM Ramuthevar,Vadivel MuruganX
<vadivel.muruganx.ramuthevar@...ux.intel.com> wrote:
>
> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
>
> Add a YAML schema to use the host controller driver with the
> eMMC PHY on Intel's Lightning Mountain SoC.
>
> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
> ---
>  .../bindings/phy/intel,lgm-emmc-phy.yaml           | 56 ++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
>
> diff --git a/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
> new file mode 100644
> index 000000000000..ff7959c21af0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/intel,lgm-emmc-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Intel Lightning Mountain(LGM) eMMC PHY Device Tree Bindings
> +
> +maintainers:
> +  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
> +
> +description: |+
> +  Bindings for eMMC PHY on Intel's Lightning Mountain SoC, syscon
> +  node is used to reference the base address of eMMC phy registers.
> +
> +  The eMMC PHY node should be the child of a syscon node with the
> +  required property:
> +
> +  - compatible:         Should be one of the following:
> +                        "intel,lgm-syscon", "syscon"
> +  - reg:
> +      maxItems: 1
> +
> +properties:
> +  compatible:
> +      const: intel,lgm-emmc-phy
> +
> +  "#phy-cells":
> +    const: 0
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - "#phy-cells"
> +  - compatible
> +  - reg
> +  - clocks
> +
> +examples:
> +  - |
> +    sysconf: chiptop@...00000 {
> +      compatible = "intel,lgm-syscon", "syscon";
> +      reg = <0xe0200000 0x100>;
> +
> +      emmc-phy: emmc-phy@a8 {

This fails in linux-next. Please run 'make dt_binding_check' and fix:

Error: Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.example.dts:21.19-20
syntax error
FATAL ERROR: Unable to parse input tree

The problem is labels can't have '-'.

Rob