From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E83715BD for ; Mon, 2 Oct 2023 19:23:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6961BC433C7; Mon, 2 Oct 2023 19:23:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696274627; bh=ofpdpmQtMZ6ZQQu7vySCzJkB3i/t2T7OkqBMbhU8iEc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YykjI2haE4KxzAMaSHcWZlZ/4L5AuU88QdPDlbMB0ZOImoTWHtgFKa/wdzZsjw4jt PEHVr5C1tt8tBa0bquE3qTwaT4UxFsHhHgAbdLTaVIy9refhutrQ8riAqVzHE18h1G zxLqQKiX9WkTYTK3TwNRjiNI59bujRNVv6Rs81doQftFy+zQXZc/yham4SwCvKFoMV ZKjMbdzMzfycUu8+kKsKJL03U+jrB08cBHBPHUuhhTJsXxbKOSaaH5EtXRxdlpqdXJ 4uzur1TJMNf0DqpaflXxeaYxKGMHrGPHjdTPjIZ9yzPGVOKFWKFqSimWwD0cW81Vy/ szy1gj2rweqXw== Received: (nullmailer pid 2383796 invoked by uid 1000); Mon, 02 Oct 2023 19:23:45 -0000 Date: Mon, 2 Oct 2023 14:23:45 -0500 From: Rob Herring To: Caleb Connolly Cc: Dmitry Torokhov , Vincent Huang , methanal , linux-input@vger.kernel.org, devicetree@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, "Jason A. Donenfeld" , Matthias Schiffer , Krzysztof Kozlowski , Conor Dooley Subject: Re: [PATCH 1/7] dt-bindings: input: syna,rmi4: document syna,pdt-fallback-desc Message-ID: <20231002192345.GA2380027-robh@kernel.org> References: <20230929-caleb-rmi4-quirks-v1-0-cc3c703f022d@linaro.org> <20230929-caleb-rmi4-quirks-v1-1-cc3c703f022d@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230929-caleb-rmi4-quirks-v1-1-cc3c703f022d@linaro.org> On Sat, Sep 30, 2023 at 06:08:45PM +0100, Caleb Connolly wrote: > This new property allows devices to specify some register values which > are missing on units with third party replacement displays. These > displays use unofficial touch ICs which only implement a subset of the > RMI4 specification. > > Signed-off-by: Caleb Connolly > --- > To: "Jason A. Donenfeld" > To: Matthias Schiffer > To: Rob Herring > To: Krzysztof Kozlowski > To: Conor Dooley > Cc: devicetree@vger.kernel.org > --- > Documentation/devicetree/bindings/input/syna,rmi4.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/devicetree/bindings/input/syna,rmi4.yaml b/Documentation/devicetree/bindings/input/syna,rmi4.yaml > index 4d4e1a8e36be..bd6beb67ac21 100644 > --- a/Documentation/devicetree/bindings/input/syna,rmi4.yaml > +++ b/Documentation/devicetree/bindings/input/syna,rmi4.yaml > @@ -49,6 +49,16 @@ properties: > description: > Delay to wait after powering on the device. > > + syna,pdt-fallback-desc: > + $ref: /schemas/types.yaml#/definitions/uint8-array > + description: > + An array of pairs of function number and version. These are used array of pairs is a matrix, not array. Or it is just 2 values? Needs some size constraints. > + on some devices with replacement displays that use unofficial touch > + controllers. These controllers do report the properties of their PDT PDT? > + entries, but leave the function_number and function_version registers > + blank. These values should match exactly the 5th and 4th bytes of each > + PDT entry from the original display's touch controller. > + > vdd-supply: true > vio-supply: true > > > -- > 2.42.0 >