From patchwork Thu Jan 14 17:49:06 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: 364041 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 E107DC4332E for ; Thu, 14 Jan 2021 17:50:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEBDB23A56 for ; Thu, 14 Jan 2021 17:50:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729303AbhANRuS (ORCPT ); Thu, 14 Jan 2021 12:50:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729313AbhANRuS (ORCPT ); Thu, 14 Jan 2021 12:50:18 -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 64CC7C0613C1 for ; Thu, 14 Jan 2021 09:49:22 -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 510AD3E984; Thu, 14 Jan 2021 18:49:20 +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, phone-devel@vger.kernel.org, AngeloGioacchino Del Regno Subject: [PATCH v2 0/3] QCOM QUP I2C - Add noise rejection, convert to YAML Date: Thu, 14 Jan 2021 18:49:06 +0100 Message-Id: <20210114174909.399284-1-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@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). Changes in v2: - Fixed ARM (32) build error (added bitfield.h inclusion) 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 | 17 +++ 3 files changed, 118 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