From patchwork Wed Jan 13 18:25:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 362431 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CA5AC433E0 for ; Wed, 13 Jan 2021 18:32:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AAAE233FC for ; Wed, 13 Jan 2021 18:32:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725987AbhAMSc0 (ORCPT ); Wed, 13 Jan 2021 13:32:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726438AbhAMScZ (ORCPT ); Wed, 13 Jan 2021 13:32:25 -0500 Received: from m-r2.th.seeweb.it (m-r2.th.seeweb.it [IPv6:2001:4b7a:2000:18::171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A5AAC061786 for ; Wed, 13 Jan 2021 10:31:30 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id 4FB513F249; Wed, 13 Jan 2021 19:25:25 +0100 (CET) From: AngeloGioacchino Del Regno To: agross@kernel.org Cc: linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, AngeloGioacchino Del Regno Subject: [PATCH 0/3] QCOM QUP I2C - Add noise rejection, convert to YAML Date: Wed, 13 Jan 2021 19:25:19 +0100 Message-Id: <20210113182522.443262-1-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org 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