linux-kernel - Re: [RFC PATCH v2 1/6] dt-bindings: pinctrl: starfive: Add JH8100 pinctrl

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Date: Tue, 20 Feb 2024 09:11:43 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Alex Soo <yuklin.soo@...rfivetech.com>,
 Linus Walleij <linus.walleij@...aro.org>,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
 Hal Feng <hal.feng@...rfivetech.com>,
 Ley Foon Tan <leyfoon.tan@...rfivetech.com>,
 Jianlong Huang <jianlong.huang@...rfivetech.com>,
 Emil Renner Berthing <kernel@...il.dk>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Drew Fustini <drew@...gleboard.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Subject: Re: [RFC PATCH v2 1/6] dt-bindings: pinctrl: starfive: Add JH8100
 pinctrl

On 20/02/2024 07:42, Alex Soo wrote:
> Add documentation and header file for JH8100 pinctrl driver.
> 
> Signed-off-by: Alex Soo <yuklin.soo@...rfivetech.com>
> ---


RFC? Why isn't this patch ready for review?

As requested, I will provide only brief review, not full one.
..

> +
> +properties:
> +  compatible:
> +    oneOf:

Drop

> +      - items:
> +          - const: starfive,jh8100-aon-pinctrl
> +          - const: syscon
> +          - const: simple-mfd
> +
> +  reg:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  interrupt-controller: true
> +
> +  gpio-controller: true
> +
> +  '#gpio-cells':
> +    const: 2
> +
> +  gpio-ranges:
> +    maxItems: 1
> +
> +  wakeup-gpios:
> +    maxItems: 1
> +    description: GPIO pin to be used for waking up the system from sleep mode.
> +
> +  wakeup-source:
> +    maxItems: 1
> +    description: to indicate pinctrl has wakeup capability.
> +
> +patternProperties:
> +  '-grp$':
> +    type: object
> +    additionalProperties: false
> +    patternProperties:
> +      '-pins$':
> +        type: object
> +        description: |
> +          A pinctrl node should contain at least one subnode representing the
> +          pinctrl groups available in the domain. 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.
> +        allOf:
> +          - $ref: /schemas/pinctrl/pincfg-node.yaml
> +          - $ref: /schemas/pinctrl/pinmux-node.yaml
> +        additionalProperties: false

NAK, nothing improved.


...

> diff --git a/include/dt-bindings/pinctrl/starfive,jh8100-pinctrl.h b/include/dt-bindings/pinctrl/starfive,jh8100-pinctrl.h
> new file mode 100644
> index 000000000000..055bac7eb2a6
> --- /dev/null
> +++ b/include/dt-bindings/pinctrl/starfive,jh8100-pinctrl.h
> @@ -0,0 +1,103 @@
> +/* SPDX-License-Identifier: GPL-2.0 OR MIT */
> +/*
> + * Copyright (C) 2023-2024 StarFive Technology Co., Ltd.
> + */
> +
> +#ifndef __DT_BINDINGS_PINCTRL_STARFIVE_JH8100_H__
> +#define __DT_BINDINGS_PINCTRL_STARFIVE_JH8100_H__
> +
> +/* sys_iomux_west pins */
> +#define PAD_GPIO0_W				0
> +#define PAD_GPIO1_W				1

NAK, read my comments.

Best regards,
Krzysztof