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: <6d8b0b3d-f501-26d5-f48b-5e3e58b86f93@linux.intel.com>
Date:   Tue, 14 Jan 2020 10:56:17 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Rob Herring <robh@...nel.org>
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

Hi,

On 14/1/2020 1:55 AM, Rob Herring wrote:
> 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
Sorry for the trouble, will fix it .
>
> The problem is labels can't have '-'.
Thanks for the direction.
Regards
vadivel
>
> Rob