linux-kernel - Re: [PATCH v3 06/42] dt-bindings: soc: Add Cirrus EP93xx

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Message-ID: <5603264e-2efe-48ce-b025-797501f29fde@linaro.org>
Date:   Fri, 21 Jul 2023 16:04:34 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     nikita.shubin@...uefel.me,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Lennert Buytenhek <kernel@...tstofly.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Lukasz Majewski <lukma@...x.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Sebastian Reichel <sre@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Mark Brown <broonie@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Damien Le Moal <dlemoal@...nel.org>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Andy Shevchenko <andy@...nel.org>,
        Michael Peters <mpeters@...eddedTS.com>,
        Kris Bahnsen <kris@...eddedTS.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-rtc@...r.kernel.org,
        linux-watchdog@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-spi@...r.kernel.org,
        netdev@...r.kernel.org, dmaengine@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-ide@...r.kernel.org,
        linux-input@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v3 06/42] dt-bindings: soc: Add Cirrus EP93xx

On 20/07/2023 13:29, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin@...uefel.me>
> 
> This adds device tree bindings for the Cirrus Logic EP93xx.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
> ---
>  .../bindings/arm/cirrus/ep9301-syscon.yaml         | 59 ++++++++++++++++++++++

syscon goes to soc directory. Also, please add vendor prefix to the
filenames.

>  .../devicetree/bindings/arm/cirrus/ep9301.yaml     | 39 ++++++++++++++
>  2 files changed, 98 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/cirrus/ep9301-syscon.yaml b/Documentation/devicetree/bindings/arm/cirrus/ep9301-syscon.yaml
> new file mode 100644
> index 000000000000..77fbe1f006fd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/cirrus/ep9301-syscon.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/cirrus/ep9301-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cirrus Logic EP93xx Platforms System Controller
> +
> +maintainers:
> +  - Alexander Sverdlin <alexander.sverdlin@...il.com>
> +  - Nikita Shubin <nikita.shubin@...uefel.me>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - cirrus,ep9302-syscon
> +              - cirrus,ep9307-syscon
> +              - cirrus,ep9312-syscon
> +              - cirrus,ep9315-syscon
> +          - const: cirrus,ep9301-syscon
> +          - const: syscon
> +          - const: simple-mfd
> +      - items:
> +          - const: cirrus,ep9301-syscon
> +          - const: syscon
> +          - const: simple-mfd
> +
> +  reg:
> +    maxItems: 1
> +
> +  reboot:
> +    type: object
> +    properties:
> +      compatible:
> +        const: cirrus,ep9301-reboot

Patch introducing it should be before this one. Also, do not use
different styles for your child nodes. Your other nodes use $ref.

> +
> +  clock-controller:
> +    type: object
> +    $ref: ../../clock/cirrus,ep9301-clk.yaml

Absolute path, so /schemas/clock/cirrus.....

> +
> +  pinctrl:
> +    type: object
> +    $ref: ../../pinctrl/cirrus,ep9301-pinctrl.yaml

Ditto

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon@...30000 {
> +      compatible = "cirrus,ep9301-syscon",
> +                   "syscon", "simple-mfd";
> +      reg = <0x80930000 0x1000>;

Incomplete example.

> +    };
> diff --git a/Documentation/devicetree/bindings/arm/cirrus/ep9301.yaml b/Documentation/devicetree/bindings/arm/cirrus/ep9301.yaml
> new file mode 100644
> index 000000000000..6087784e93fb
> --- /dev/null


Best regards,
Krzysztof