linux-kernel - [PATCH 0/3] QCOM QUP I2C - Add noise rejection, convert to YAML

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Message-Id: <20210113182522.443262-1-angelogioacchino.delregno@somainline.org>
Date:   Wed, 13 Jan 2021 19:25:19 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
To:     agross@...nel.org
Cc:     linux-kernel@...r.kernel.org, konrad.dybcio@...ainline.org,
        marijn.suijten@...ainline.org, martin.botka@...ainline.org,
        bjorn.andersson@...aro.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-i2c@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Subject: [PATCH 0/3] QCOM QUP I2C - Add noise rejection, convert to YAML

This patch series converts the i2c-qup bindings to YAML and then
adds support for noise rejection, which is needed for some noisy
hardware, like the touchscreen on the F(x)Tec Pro1.
After adding noise rejection, the touchscreen stopped showing
ghost touch issues and lockups.

Tested on F(x)Tec Pro1 (MSM8998)

AngeloGioacchino Del Regno (3):
  dt-bindings: i2c: qcom,i2c-qup: Convert txt to YAML schema
  i2c: qup: Introduce SCL/SDA noise rejection
  dt-bindings: i2c: qcom,i2c-qup: Document noise rejection properties

 .../devicetree/bindings/i2c/qcom,i2c-qup.txt  |  40 -------
 .../devicetree/bindings/i2c/qcom,i2c-qup.yaml | 101 ++++++++++++++++++
 drivers/i2c/busses/i2c-qup.c                  |  16 +++
 3 files changed, 117 insertions(+), 40 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/i2c/qcom,i2c-qup.txt
 create mode 100644 Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml

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