From: Krzysztof Kozlowski <krzk@kernel.org>
To: Danny Kaehn <danny.kaehn@plexus.com>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Benjamin Tissoires <bentiss@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Andi Shyti <andi.shyti@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Jiri Kosina <jikos@kernel.org>,
devicetree@vger.kernel.org, linux-input@vger.kernel.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
Ethan Twardy <ethan.twardy@plexus.com>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Leo Huang <leohu@nvidia.com>, Arun D Patil <arundp@nvidia.com>,
Willie Thai <wthai@nvidia.com>,
Ting-Kai Chen <tingkaic@nvidia.com>
Subject: Re: [PATCH v12 1/3] dt-bindings: i2c: Add CP2112 HID USB to SMBus Bridge
Date: Thu, 27 Nov 2025 08:24:15 +0100 [thread overview]
Message-ID: <20251127-liberal-onyx-shark-eaeab6@kuoka> (raw)
In-Reply-To: <20251126-cp2112-dt-v12-1-2cdba6481db3@plexus.com>
On Wed, Nov 26, 2025 at 11:05:24AM -0600, Danny Kaehn wrote:
> + i2c:
> + description: The SMBus/I2C controller node for the CP2112
> + $ref: /schemas/i2c/i2c-controller.yaml#
> + unevaluatedProperties: false
> +
> + properties:
> + sda-gpios:
> + maxItems: 1
> +
> + scl-gpios:
> + maxItems: 1
Neither scl nor sda-gpios are needed, they are allowed by i2c-controller
schema, so drop.
> +
> + clock-frequency:
> + minimum: 10000
> + default: 100000
> + maximum: 400000
> +
> +patternProperties:
> + "-hog(-[0-9]+)?$":
> + type: object
> +
> + required:
> + - gpio-hog
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/gpio/gpio.h>
> +
> + usb {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cp2112: device@1 {
> + compatible = "usb10c4,ea90";
> + reg = <1>;
> +
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + #gpio-cells = <2>;
> + gpio-line-names = "CP2112_SDA", "CP2112_SCL", "TEST2",
> + "TEST3","TEST4", "TEST5", "TEST6";
Please align the next line with opening ". See also DTS coding style.
> +
> + fan-rst-hog {
> + gpio-hog;
> + gpios = <7 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "FAN_RST";
> + };
> +
> + i2c {
> + #address-cells = <1>;
Messed indentation, stick to one, preferred is 4 spaces for the example.
> + #size-cells = <0>;
> + sda-gpios = <&cp2112 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> + scl-gpios = <&cp2112 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> +
> + temp@48 {
> + compatible = "national,lm75";
> + reg = <0x48>;
> + };
> + };
> +
Drop blank line
> + };
> + };
>
> --
> 2.25.1
>
next prev parent reply other threads:[~2025-11-27 7:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 17:05 [PATCH v12 0/3] Firmware Support for USB-HID Devices and CP2112 Danny Kaehn
2025-11-26 17:05 ` [PATCH v12 1/3] dt-bindings: i2c: Add CP2112 HID USB to SMBus Bridge Danny Kaehn
2025-11-27 7:24 ` Krzysztof Kozlowski [this message]
2026-02-05 11:44 ` Andi Shyti
2025-11-26 17:05 ` [PATCH v12 2/3] HID: cp2112: Fwnode Support Danny Kaehn
2025-11-26 18:27 ` Andy Shevchenko
2025-11-26 19:32 ` Danny Kaehn
2025-11-26 21:23 ` Andy Shevchenko
2026-01-21 20:38 ` Danny Kaehn
2025-11-26 17:05 ` [PATCH v12 3/3] HID: cp2112: Configure I2C Bus Speed from Firmware Danny Kaehn
2025-11-26 18:28 ` Andy Shevchenko
2025-11-26 18:29 ` [PATCH v12 0/3] Firmware Support for USB-HID Devices and CP2112 Andy Shevchenko
2025-11-27 7:20 ` Krzysztof Kozlowski
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