linux-kernel - Re: [PATCH v3 1/2] dt-bindings: HID: i2c-hid: Document reset-related properties

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Message-ID: <ZbfYzyHaNmjJyNpY@hovoldconsulting.com>
Date: Mon, 29 Jan 2024 17:56:47 +0100
From: Johan Hovold <johan@...nel.org>
To: Bjorn Andersson <quic_bjorande@...cinc.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	Jiri Kosina <jikos@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Johan Hovold <johan+linaro@...nel.org>,
	linux-arm-msm@...r.kernel.org, linux-input@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Konrad Dybcio <konrad.dybcio@...ainline.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v3 1/2] dt-bindings: HID: i2c-hid: Document reset-related
 properties

On Mon, Jan 29, 2024 at 08:47:47AM -0800, Bjorn Andersson wrote:
> Some I2C HID devices has a reset pin and requires that some specified
> time elapses after this reset pin is deasserted, before communication
> with the device is attempted.
> 
> The Linux implementation is looking for these in the "reset-gpios" and
> "post-reset-deassert-delay-ms" properties already, so use these property
> names.

> +  post-reset-deassert-delay-ms:
> +    description: Time required by the device after reset has been deasserted,
> +      before it is ready for communication.
> +
> +  reset-gpios: true

Hmm, for the third time, it seems you ignored my comment that you need
to remove the comment about these properties from the driver as part of
this series.

	/*
	 * Note this is a kernel internal device-property set by x86 platform code,
	 * this MUST not be used in devicetree files without first adding it to
	 * the DT bindings.
	 */
	if (!device_property_read_u32(dev, "post-reset-deassert-delay-ms", &val))
		ihid_of->post_reset_delay_ms = val;

> +
>    touchscreen-inverted-x: true
>  
>    touchscreen-inverted-y: true

Johan