linux-kernel - Re: [PATCH v1 2/4] dt-bindings: phy: Add starfive,jh7110-dphy-rx

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Message-ID: <36d8a648-49f4-281e-3947-cf2cbf3827b2@starfivetech.com>
Date:   Mon, 13 Feb 2023 15:51:58 +0800
From:   Changhuang Liang <changhuang.liang@...rfivetech.com>
To:     Rob Herring <robh@...nel.org>
CC:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Conor Dooley <conor@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jack Zhu <jack.zhu@...rfivetech.com>,
        <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v1 2/4] dt-bindings: phy: Add starfive,jh7110-dphy-rx



On 2023/2/11 2:29, Rob Herring wrote:
> On Thu, Feb 09, 2023 at 10:17:11PM -0800, Changhuang Liang wrote:
>> Starfive SoC like the jh7110 use a MIPI D-PHY RX controller based on
>> a M31 IP. Add a binding for it.
>>
>> Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
>> ---
>>  .../bindings/phy/starfive,jh7110-dphy-rx.yaml | 78 +++++++++++++++++++
>>  1 file changed, 78 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml
>> new file mode 100644
>> index 000000000000..1c1e5c7cbee2
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml
>> @@ -0,0 +1,78 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/phy/starfive,jh7110-dphy-rx.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Starfive SoC MIPI D-PHY Rx Controller
>> +
>> +maintainers:
>> +  - Jack Zhu <jack.zhu@...rfivetech.com>
>> +  - Changhuang Liang <changhuang.liang@...rfivetech.com>
>> +
>> +description: |
> 
> Don't need '|'
>

OK, will delete it.

>> +  The Starfive SOC has a MIPI CSI D-PHY based on M31 IP use to transfer
>> +  the CSI cameras data.
>> +
>> +properties:
>> +  compatible:
>> +    items:
>> +      - const: "starfive,jh7110-dphy-rx"
> 
> Drop quotes.
> 

OK, will drop quotes

>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    minItems: 3
>> +    maxItems: 3
> 
> Just maxItems is enough.
> 

OK, will delete minItems.

>> +
>> +  clock-names:
>> +    items:
>> +      - const: cfg
>> +      - const: ref
>> +      - const: tx
>> +
>> +  resets:
>> +    minItems: 2
>> +    maxItems: 2
> 
> Need to define what each reset is.
> 

OK, will define resets.

>> +
>> +  starfive,aon-syscon:
>> +    $ref: '/schemas/types.yaml#/definitions/phandle-array'
> 
> Drop quotes.
> 

OK, will drop quote

>> +    items:
>> +      items:
>> +        - description: phandle of AON SYSCON
>> +        - description: register offset
>> +    description: The register of dphy rx driver can be configured
>> +      by AON SYSCON in this property.
>> +
>> +  "#phy-cells":
>> +    const: 0
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - resets
>> +  - starfive,aon-syscon
>> +  - "#phy-cells"
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/starfive,jh7110-crg.h>
>> +    #include <dt-bindings/reset/starfive,jh7110-crg.h>
>> +
>> +    dphy@...20000 {
>> +      compatible = "starfive,jh7110-dphy-rx";
>> +      reg = <0x19820000 0x10000>;
>> +      clocks = <&ispcrg JH7110_ISPCLK_M31DPHY_CFGCLK_IN>,
>> +               <&ispcrg JH7110_ISPCLK_M31DPHY_REFCLK_IN>,
>> +               <&ispcrg JH7110_ISPCLK_M31DPHY_TXCLKESC_LAN0>;
>> +      clock-names = "cfg", "ref", "tx";
>> +      resets = <&ispcrg JH7110_ISPRST_M31DPHY_HW>,
>> +               <&ispcrg JH7110_ISPRST_M31DPHY_B09_ALWAYS_ON>;
>> +      starfive,aon-syscon = <&aon_syscon 0x00>;
>> +      #phy-cells = <0>;
>> +    };
>> -- 
>> 2.25.1
>>