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[2.99.112.229]) by smtp.gmail.com with ESMTPSA id y21-20020a7bcd95000000b00405c7591b09sm3756368wmj.35.2023.09.30.10.09.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Sep 2023 10:09:19 -0700 (PDT) From: Caleb Connolly Date: Sat, 30 Sep 2023 18:08:45 +0100 Subject: [PATCH 1/7] dt-bindings: input: syna,rmi4: document syna,pdt-fallback-desc MIME-Version: 1.0 Message-Id: <20230929-caleb-rmi4-quirks-v1-1-cc3c703f022d@linaro.org> References: <20230929-caleb-rmi4-quirks-v1-0-cc3c703f022d@linaro.org> In-Reply-To: <20230929-caleb-rmi4-quirks-v1-0-cc3c703f022d@linaro.org> To: Dmitry Torokhov , Vincent Huang Cc: methanal , linux-input@vger.kernel.org, devicetree@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Caleb Connolly , "Jason A. Donenfeld" , Matthias Schiffer , Rob Herring , Krzysztof Kozlowski , Conor Dooley X-Mailer: b4 0.13-dev-46309 X-Developer-Signature: v=1; a=openpgp-sha256; l=1698; i=caleb.connolly@linaro.org; h=from:subject:message-id; bh=5sBJCQ4u75bNy25N0FjR/mDIgxMYqHIB2eDzShxbXlc=; b=owGbwMvMwCFYaeA6f6eBkTjjabUkhlSJMNuTgaXNiiw1DN1ten1naj8/lY/MfD2nRrnn6jKlf YtOrEjuKGVhEORgkBVTZBE/scyyae1le43tCy7AzGFlAhnCwMUpABN50cTwP15DgjeR5QTngvs7 gnnu3lojst9U7/9t/fKtxk803O/svM7wz3TV0wX69xJkbvPpeJk5OkZ8LZwkwXjBPJrJNaH7hPa qgwA= X-Developer-Key: i=caleb.connolly@linaro.org; a=openpgp; fpr=83B24DA7FE145076BC38BB250CD904EB673A7C47 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org 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 + on some devices with replacement displays that use unofficial touch + controllers. These controllers do report the properties of their 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