From patchwork Mon Apr 12 11:30:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ikjoon Jang X-Patchwork-Id: 12197717 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=-18.8 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, USER_AGENT_GIT autolearn=ham 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 EDC7BC43462 for ; Mon, 12 Apr 2021 11:30:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C361061241 for ; Mon, 12 Apr 2021 11:30:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240407AbhDLLbL (ORCPT ); Mon, 12 Apr 2021 07:31:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240410AbhDLLbL (ORCPT ); Mon, 12 Apr 2021 07:31:11 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98521C06138D for ; Mon, 12 Apr 2021 04:30:53 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id u7so4391187plr.6 for ; Mon, 12 Apr 2021 04:30:53 -0700 (PDT) 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=plw2ysi1W+MGJ3Nv2bWluJ2xI5lpxZozWa9eFpnjZ5Q=; b=K7b4lhCYYCq3BNYpzasyGmq5uEfqbaqHnLFERlhZ5hqt5p4MVmTq5gwRtf4E/y4XB3 BVyRaF6lWT/7Z0C5ho+WBuzSevWpH9hvgJEITs5K2HwBiIBfNS5mrFYivE82Bv8ugm/7 rn47xU+dBy6pU34+rHXd0Bp4nIAt/TiVfyQBo= 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=plw2ysi1W+MGJ3Nv2bWluJ2xI5lpxZozWa9eFpnjZ5Q=; b=fQtCV+5oKybyEAqw3+6GYyp0cpwY30T6bNxuKyOjTc6g+qwA2hBWPDBOzozEaWghZ8 ri2r7DwqdSibrOeLi3RUUI1f7wRO4eAMYG4wisGwpQt17PRCe+HXW+shrsHdwKuYvHIQ 6+BINVCxPucRVCyl4ghyUOW0QVbjgv6RQhHp/0hnZWhOv1JDC4v+qhX/wHtxSY03dbDy FFFjGMhBzrt3+txNiNksaM34jqIS98CR/IRbQdEpOsjS+688bzhP6MwW6RvFtvOvEjNT DDaAqo65YYnbHaZgSYMujd390JfrR5BGBA+lmmJ1zhAnP0B9ppybuot3SM+d73Lehaq5 Zd3A== X-Gm-Message-State: AOAM533YPLWYQwQi9WltmnLfXKgbRTyzHD633hhAwvgwuYiOuUS1FoFU xK6vEIfFe5j1Qglq8nP1yMBcBoCGJc/Bcg== X-Google-Smtp-Source: ABdhPJwT7DYTlzqRpAsyxz1h0QIsVCtFYKwpiPQKZDkGO/R5hzNL7pHVeZUda/idsEfLKTSC3rztmA== X-Received: by 2002:a17:90a:a103:: with SMTP id s3mr28756864pjp.158.1618227052905; Mon, 12 Apr 2021 04:30:52 -0700 (PDT) Received: from ikjn-p920.tpe.corp.google.com ([2401:fa00:1:b:32f1:1e05:984e:e039]) by smtp.gmail.com with ESMTPSA id 129sm1572413pfv.159.2021.04.12.04.30.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Apr 2021 04:30:52 -0700 (PDT) From: Ikjoon Jang To: linux-input@vger.kernel.org, devicetree@vger.kernel.org Cc: Hsin-Yi Wang , Dmitry Torokhov , Nicolas Boichat , Ikjoon Jang , Benson Leung , Enric Balletbo i Serra , Guenter Roeck , Lee Jones , Rob Herring , linux-kernel@vger.kernel.org Subject: [PATCH v4 1/2] mfd: google,cros-ec: add DT bindings for a baseboard's switch device Date: Mon, 12 Apr 2021 19:30:19 +0800 Message-Id: <20210412113020.2724134-2-ikjn@chromium.org> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog In-Reply-To: <20210412113020.2724134-1-ikjn@chromium.org> References: <20210412113020.2724134-1-ikjn@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org This is for ChromeOS tablets which have a 'cros_cbas' switch device in the "Whiskers" base board. This device can be instantiated only by device tree on ARM platforms. ChromeOS EC doesn't provide a way to probe the device. Signed-off-by: Ikjoon Jang --- Changes in v4: Define cros-cbase bindings inside google,cros-ec.yaml instead of a seperated binding document. .../devicetree/bindings/mfd/google,cros-ec.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml index 76bf16ee27ec..c76809cd9f7f 100644 --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml @@ -127,6 +127,18 @@ patternProperties: type: object $ref: "/schemas/extcon/extcon-usbc-cros-ec.yaml#" + "^cbas$": + type: object + properties: + compatible: + const: google,cros-cbas + required: + - compatible + additionalProperties: false + description: + This device is used to signal when a detachable base is attached + to a Chrome OS tablet. + required: - compatible @@ -180,6 +192,10 @@ examples: interrupts = <99 0>; interrupt-parent = <&gpio7>; spi-max-frequency = <5000000>; + + base_detection: cbas { + compatible = "google,cros-cbas"; + }; }; };