linux-kernel - Re: [PATCH v4 1/4] dt-bindings: pinctrl: Add StarFive JH7110 sys pinctrl

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Date:   Tue, 7 Feb 2023 00:30:41 +0800
From:   Hal Feng <hal.feng@...rfivetech.com>
To:     Rob Herring <robh@...nel.org>
CC:     <linux-riscv@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>, Conor Dooley <conor@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andreas Schwab <schwab@...e.de>,
        "Emil Renner Berthing" <emil.renner.berthing@...onical.com>,
        Jianlong Huang <jianlong.huang@...rfivetech.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 1/4] dt-bindings: pinctrl: Add StarFive JH7110 sys
 pinctrl

On Mon, 6 Feb 2023 10:10:16 -0600, Rob Herring wrote:
> On Fri, Feb 03, 2023 at 10:17:58PM +0800, Hal Feng wrote:
>> diff --git a/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml
>> new file mode 100644
>> index 000000000000..22554e68ec91
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/pinctrl/starfive,jh7110-sys-pinctrl.yaml
>> @@ -0,0 +1,141 @@
>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/pinctrl/starfive,jh7110-sys-pinctrl.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: StarFive JH7110 SYS Pin Controller
>> +
>> +description: |
>> +  Bindings for the JH7110 RISC-V SoC from StarFive Technology Ltd.
>> +
>> +  Out of the SoC's many pins only the ones named PAD_GPIO0 to PAD_GPIO63
>> +  can be multiplexed and have configurable bias, drive strength,
>> +  schmitt trigger etc.
>> +  Some peripherals have their I/O go through the 64 "GPIOs". This also
>> +  includes a number of other UARTs, I2Cs, SPIs, PWMs etc.
>> +  All these peripherals are connected to all 64 GPIOs such that
>> +  any GPIO can be set up to be controlled by any of the peripherals.
>> +
>> +maintainers:
>> +  - Jianlong Huang <jianlong.huang@...rfivetech.com>
>> +
>> +properties:
>> +  compatible:
>> +    const: starfive,jh7110-sys-pinctrl
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  resets:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  interrupt-controller: true
>> +
>> +  '#interrupt-cells':
>> +    const: 2
>> +
>> +  gpio-controller: true
>> +
>> +  '#gpio-cells':
>> +    const: 2
>> +
>> +patternProperties:
>> +  '-[0-9]+$':
>> +    type: object
>> +    additionalProperties: false
>> +    patternProperties:
>> +      '-pins$':
>> +        type: object
>> +        description: |
>> +          A pinctrl node should contain at least one subnode representing the
>> +          pinctrl groups available on the machine. Each subnode will list the
>> +          pins it needs, and how they should be configured, with regard to
>> +          muxer configuration, bias, input enable/disable, input schmitt
>> +          trigger enable/disable, slew-rate and drive strength.
>> +        $ref: /schemas/pinctrl/pincfg-node.yaml
> 
> On 2nd look, this should be:
> 
> allOf:
>   - $ref: /schemas/pinctrl/pincfg-node.yaml
>   - $ref: /schemas/pinctrl/pinmux-node.yaml

Will fix accordingly. Thanks.

> 
>> +        additionalProperties: false
>> +
>> +        properties:
>> +          pinmux:
>> +            description: |
>> +              The list of GPIOs and their mux settings that properties in the
>> +              node apply to. This should be set using the GPIOMUX or PINMUX
>> +              macros.
>> +            $ref: /schemas/pinctrl/pinmux-node.yaml#/properties/pinmux
> 
> And drop this.
> 
> Same in other patch. With that, Reviewed-by stands.

Will fix it. Thank you for your review.

Best regards,
Hal