linux-kernel - Re: [PATCH v1 1/2] dt-bindings: phy: intel-sdxc-phy: Add YAML schema for LGM SDXC PHY

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Date:   Wed, 28 Aug 2019 11:47:54 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        devicetree@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com,
        peter.harliman.liem@...el.com
Subject: Re: [PATCH v1 1/2] dt-bindings: phy: intel-sdxc-phy: Add YAML schema
 for LGM SDXC PHY

Hi Rob,

On 27/8/2019 8:39 PM, Rob Herring wrote:
> On Tue, Aug 27, 2019 at 3:27 AM 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
>> SDXC PHY on Intel's Lightning Mountain SoC.
>>
>> Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
>> ---
>>   .../bindings/phy/intel,lgm-sdxc-phy.yaml           | 50 ++++++++++++++++++++++
>>   1 file changed, 50 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml b/Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml
>> new file mode 100644
>> index 000000000000..be05020880bf
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/intel,lgm-sdxc-phy.yaml
>> @@ -0,0 +1,50 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/phy/intel,lgm-sdxc-phy.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Intel Lightning Mountain(LGM) SDXC PHY Device Tree Bindings
>> +
>> +maintainers:
>> +  - Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@...ux.intel.com>
>> +
>> +description: Binding for SDXC PHY
>> +
>> +properties:
>> +  compatible:
>> +    const: intel,lgm-sdxc-phy
>> +
>> +  intel,syscon:
>> +    description: phandle to the sdxc through syscon
>> +    $ref: '/schemas/types.yaml#/definitions/phandle'
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    maxItems: 1
>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
>> +required:
>> +  - "#phy-cells"
>> +  - compatible
>> +  - intel,syscon
>> +  - clocks
>> +  - clock-names
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    sdxc_phy: sdxc_phy {
>> +        compatible = "intel,lgm-sdxc-phy";
>> +        intel,syscon = <&sysconf>;
> Rather than a phandle, can this be a child node of sysconf? You need a
> binding for sysconf first anyways.
intel,syscon is phandle, emmc_phy is not child node of sysconf, access 
emmc_phy
register over sysconf so made as reference here.

Best Regards
Vadivel
>> +        clocks = <&sdxc>;
>> +        clock-names = "sdxcclk";
>> +        #phy-cells = <0>;
>> +    };
>> +
>> +...
>> --
>> 2.11.0
>>