From patchwork Thu Feb 3 16:46:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Zapolskiy X-Patchwork-Id: 539618 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 912E0C4167D for ; Thu, 3 Feb 2022 16:46:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352344AbiBCQqj (ORCPT ); Thu, 3 Feb 2022 11:46:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242631AbiBCQqj (ORCPT ); Thu, 3 Feb 2022 11:46:39 -0500 Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE2F1C061744 for ; Thu, 3 Feb 2022 08:46:38 -0800 (PST) Received: by mail-lf1-x12a.google.com with SMTP id i34so7287491lfv.2 for ; Thu, 03 Feb 2022 08:46:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6eCj/v8zX5auOFJWHqJA0245e7LfVyGUd0icgsO85GA=; b=QACmUevu70dLEDO4C7OXJEzJ/auhpnKawKYZ9fJ5cghANwS9BmlM+IBRUvSTaTNg6w an1Ex0u3Xr4d9n+5CeFq3wIPmeFbKLAFrtlD2zmZRUBN7ymf8/55hgJseG/FQTR9CJN3 tz8Avn81lL5fIxmaBHhQYFmtuWvpPv8DhKLCf6IAVIyp9mqubknz7d7TtpMcwPj5+A80 ijuPgZWFTrnBuL4//sFAttg2+l4gkE/pcRxhFtQ+pPWva9jSBQ7MuaP+WlBZneAnSwLV 0ke92LZQrbx5+s6EG85J/o5zuHVSysVWZB00Nlh/yalDf2xsmlZme7t/q/9z7BVP35CK Iieg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6eCj/v8zX5auOFJWHqJA0245e7LfVyGUd0icgsO85GA=; b=cfgfr7ta/RvvRBmugKWk+qxncapq08qbecnaNPr/Ly9KvQ3c/qXTIeQUCn/4c8xCPR mfiL/jgDbTatAcL9hqWOe5rdfDJGZOtgLqAgBvqO3a9VUPsyC1gq8l01RxafLmFDkKvu pPmkKiRCCw5IeF/hXpsi+aq63oRT/VsyWR47lSSw0NIVr/MOD0IZYALZBHwhpDZls74d yRNBpLAFOOvq3542Etzl6529lAcM9VQf+OmqNwi/2UJtdcRd/mbq19IGSXOx2NKhth9F IpBnniUSKy876LhMnVlU80mY40M3R17w3IN1jht859wRyYYB9+1exBlrK074Qhuo4mNU /YDQ== X-Gm-Message-State: AOAM533x8ICYrB+CQVWlTzSudzi6mLpvwYXsAYb2Ni+xP1Du8RcYiEQq uz6Ub1+U7W8qwtwwfl8zBb5nUg== X-Google-Smtp-Source: ABdhPJxsAyvdMto3oEeJ+xFPUhuckio4nahIIoeIh6orsZByx3/fa9XQZnFbY0cY/5bNGVo+ijpCKw== X-Received: by 2002:ac2:4357:: with SMTP id o23mr28496643lfl.680.1643906797192; Thu, 03 Feb 2022 08:46:37 -0800 (PST) Received: from localhost.localdomain (88-113-46-102.elisa-laajakaista.fi. [88.113.46.102]) by smtp.gmail.com with ESMTPSA id h6sm269999lfm.237.2022.02.03.08.46.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Feb 2022 08:46:36 -0800 (PST) From: Vladimir Zapolskiy To: Loic Poulain , Robert Foss , Rob Herring Cc: Wolfram Sang , linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 2/9] dt-bindings: i2c: qcom-cci: add description of a vbus-supply property Date: Thu, 3 Feb 2022 18:46:29 +0200 Message-Id: <20220203164629.1711958-3-vladimir.zapolskiy@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220203164629.1711958-1-vladimir.zapolskiy@linaro.org> References: <20220203164629.1711958-1-vladimir.zapolskiy@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Quite regularly I2C bus lines on QCOM CCI controller require an external pull-up to a regulator powered line, to be able to define all such cases an additional vbus-supply property of a bus subnode is wanted. Signed-off-by: Vladimir Zapolskiy Reviewed-by: Robert Foss --- Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt index 924ad8c03464..9f5b321748f1 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt @@ -60,6 +60,11 @@ PROPERTIES: Definition: Desired I2C bus clock frequency in Hz, defaults to 100 kHz if omitted. +- vbus-supply: + Usage: optional + Value type: phandle + Definition: Regulator that provides power to SCL/SDA lines + Example: cci@a0c000 {