From patchwork Thu Jan 28 08:40:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Boyd X-Patchwork-Id: 12053137 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 22F93C433E6 for ; Thu, 28 Jan 2021 08:42:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB3DB64DBD for ; Thu, 28 Jan 2021 08:42:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232152AbhA1Il4 (ORCPT ); Thu, 28 Jan 2021 03:41:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231759AbhA1Ilh (ORCPT ); Thu, 28 Jan 2021 03:41:37 -0500 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A848C061788 for ; Thu, 28 Jan 2021 00:40:16 -0800 (PST) Received: by mail-pg1-x52e.google.com with SMTP id g15so3821285pgu.9 for ; Thu, 28 Jan 2021 00:40:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ObnRw+UwieoHw5e283GbHz774WubLDbRFDgtC/jAPyM=; b=ZbwKx9ek06554ZjIa76NgqqDZ6YawaI0v367sDg45ccv7tchvKEciOKr07GuZeEVXm cYi2B4+LabGQcNTWYVeR/jtx2ZMHCQP+53mpTC1XfhbPKXa4noOUrYZs9ziNlm94KaYN 9wsMF/Eqoz7WH+4nUYaGM94IjdsgZJMy7nGt4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ObnRw+UwieoHw5e283GbHz774WubLDbRFDgtC/jAPyM=; b=lhrJnHQ7wTJ/rdFtmD8HXJG7fXe9mDf2qtxUiHDL49RjVChvUQEXmd9yVoNpHFi05w 3vLCoxf81gToepar/v0muhEY5S+k1WasJHxtjrL9XHBlW3cUKR6P+Nu6fmwjIXn8lALJ 40/IvRevO/fjLN4Ax7WNffJGbGIUC8SI3gZ3R08zGXRXAJCbd2d56z6t4nDwYUGXku3H TtLK5VC5VGMWUEzYVqf2GBj9i39+XveSmGhlQrr6kZ49JyaIyWLzDnFJDqD9r5yljI3i 5ujg9olkiOKbk1zpT0oylfqC7qXvgJ/u1Gq83FUZL5PsFsFx9BZQ+ouzkxq6tOzCB/Mq 3RQA== X-Gm-Message-State: AOAM530jpOrLCUpm/m/JbaM4UtCFPK/XMPLwyr4XhnSnmVNwdEbStwsB CH3qJt/Vdr3sxZnlc20EOHmNNQ== X-Google-Smtp-Source: ABdhPJxcS1SEeMZhYeszPxfpDT7lIOhORsQWrdlWcS7FnoBFUApULusKLFQQw7C2YUA/uoec7asrCw== X-Received: by 2002:a63:2214:: with SMTP id i20mr15168549pgi.189.1611823216259; Thu, 28 Jan 2021 00:40:16 -0800 (PST) Received: from smtp.gmail.com ([2620:15c:202:201:304c:5453:303a:8268]) by smtp.gmail.com with ESMTPSA id y22sm4951757pfr.163.2021.01.28.00.40.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jan 2021 00:40:15 -0800 (PST) From: Stephen Boyd To: Jonathan Cameron Cc: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, Dmitry Torokhov , Benson Leung , Guenter Roeck , Douglas Anderson , Gwendal Grignou , devicetree@vger.kernel.org, Rob Herring Subject: [PATCH v3 2/3] dt-bindings: iio: Add cros ec proximity yaml doc Date: Thu, 28 Jan 2021 00:40:10 -0800 Message-Id: <20210128084011.3270281-3-swboyd@chromium.org> X-Mailer: git-send-email 2.30.0.280.ga3ce27912f-goog In-Reply-To: <20210128084011.3270281-1-swboyd@chromium.org> References: <20210128084011.3270281-1-swboyd@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Some cros ECs support a front proximity MKBP event via 'EC_MKBP_FRONT_PROXIMITY'. Add a DT binding to document this feature via a node that is a child of the main cros_ec device node. Devices that have this ability will describe this in firmware. Cc: Dmitry Torokhov Cc: Benson Leung Cc: Guenter Roeck Cc: Douglas Anderson Cc: Gwendal Grignou Cc: Cc: Rob Herring Signed-off-by: Stephen Boyd --- Changes from v2: * None Changes from v1: * Added additionalProperties * Included proximity in cros-ec yaml .../google,cros-ec-mkbp-proximity.yaml | 38 +++++++++++++++++++ .../bindings/mfd/google,cros-ec.yaml | 3 ++ 2 files changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml diff --git a/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml new file mode 100644 index 000000000000..c3141c2be286 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/iio/proximity/google,cros-ec-mkbp-proximity.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ChromeOS EC MKBP Proximity Sensor + +maintainers: + - Stephen Boyd + - Benson Leung + - Enric Balletbo i Serra + +description: | + Google's ChromeOS EC sometimes has the ability to detect user proximity. + This is implemented on the EC as near/far logic and exposed to the OS + via an MKBP switch bit. + +properties: + compatible: + const: google,cros-ec-mkbp-proximity + + label: + description: Name for proximity sensor + +required: + - compatible + +unevaluatedProperties: false +additionalProperties: false + +examples: + - | + proximity { + compatible = "google,cros-ec-mkbp-proximity"; + label = "proximity-wifi-lte"; + }; diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml index 76bf16ee27ec..479a9f15de32 100644 --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml @@ -94,6 +94,9 @@ properties: keyboard-controller: $ref: "/schemas/input/google,cros-ec-keyb.yaml#" + proximity: + $ref: "/schemas/iio/proximity/google,cros-ec-mkbp-proximity.yaml#" + codecs: type: object additionalProperties: false