From patchwork Wed Oct 5 11:37:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiaEn Wu X-Patchwork-Id: 12999174 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 4D926C43219 for ; Wed, 5 Oct 2022 11:44:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229697AbiJELoT (ORCPT ); Wed, 5 Oct 2022 07:44:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230456AbiJELnl (ORCPT ); Wed, 5 Oct 2022 07:43:41 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61C497A515; Wed, 5 Oct 2022 04:41:49 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id z20so8634033plb.10; Wed, 05 Oct 2022 04:41:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=JailJRGGT+MU7QQfQRg334ru/W+CJ+3fnThCLH1Q1Is=; b=etWf/YwTE/onzXAMW9jr0SPmueHelVb0TIiTxVJ0R9sEHP89vUF+Pan12qnO/2Cr0e v3rdYxnXftQzx1D5AcwV22Tf7RuaydIANjTgg/x5sdyn2dsTaR3ZbhRFWwZDtt1TnKK5 p3+T7sh3YMzaTZPS8yMpYOOr0DxXi9/fsidxBsTT/yPS69hC5ilUDKR9DiH6oFVmdLen 6U7n07Td3xFHctcK1ZZC9V6VYz1lAyMkUskKh8swlLeEOrQfayQNY+cPUSuZUNJKs/E5 5jlNKSuKARSqF5hSM6mDgZX2vtuKj34rQ8uqz7WdmbDjGy7wcXmk3V/0PXBSPSh/DnEI UGhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=JailJRGGT+MU7QQfQRg334ru/W+CJ+3fnThCLH1Q1Is=; b=N9tGy66wrxB5o3DlwtaRYsn7a2/yyeWJlEy2W1gqGvFmtlWFTttb7t6vQXeHGwzjCq oQUfqnLzyeqY7bZ8SDmJkFZyBRiihKh7zr9iOGKdhVYLsQFU4WHqJOrWp93C0mXTnoLN KhxK9+WZqaqlIgiWdCo3RRuDaH3i82dIrXE+HizASzCeUIFOEP9iOaPuD+wFIvb59ldP FNY6nfy5miBcSMaVKFaiX3spP/ZtftpB2A4wJU0/ZnMYxtZ5b/A11x85Eo18AHlGHKnM cNiz2t0r7cvEjUZw3zxvs/01TQReTm0p2sL0wOnNTie2FZNRiktbZ79uFq6/D5K47D7D laFQ== X-Gm-Message-State: ACrzQf1hya9FoFztNiHVA2glftJZaL5O4pcvgx2En1hjruuZ7Tp+TguR /kmhVEKTbdZPI+DxeRRzS9k= X-Google-Smtp-Source: AMsMyM69iX/pF2NILOzu2RVcP30i/TQD09jn6dRPAWqxLyf3trFbs0Pj4MNRLj1t4iwMfQxnO4zIWA== X-Received: by 2002:a17:902:b18e:b0:178:3484:f45e with SMTP id s14-20020a170902b18e00b001783484f45emr31504910plr.166.1664970017218; Wed, 05 Oct 2022 04:40:17 -0700 (PDT) Received: from RD-3580-24288.rt.l (42-73-126-108.emome-ip.hinet.net. [42.73.126.108]) by smtp.gmail.com with ESMTPSA id v9-20020a17090a4ec900b00200b2894648sm979202pjl.52.2022.10.05.04.40.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Oct 2022 04:40:16 -0700 (PDT) From: ChiaEn Wu To: sre@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: chiaen_wu@richtek.com, cy_huang@richtek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v2 3/3] Documentation: power: rt9467: Document exported sysfs entries Date: Wed, 5 Oct 2022 19:37:24 +0800 Message-Id: <40676e2af49dc8d9bdd9c5f80aef3ad0f5b731db.1664997251.git.chiaen_wu@richtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: ChiaEn Wu Document the settings exported by rt9467 charger driver through sysfs entries: - sysoff_enable Signed-off-by: ChiaEn Wu --- Documentation/ABI/testing/sysfs-class-power-rt9467 | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-power-rt9467 diff --git a/Documentation/ABI/testing/sysfs-class-power-rt9467 b/Documentation/ABI/testing/sysfs-class-power-rt9467 new file mode 100644 index 0000000..dd0b962 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-power-rt9467 @@ -0,0 +1,19 @@ +What: /sys/class/power_supply/rt9467-*/sysoff_enable +Date: Oct 2022 +KernelVersion: 6.0 +Contact: ChiaEn Wu +Description: + This entry allows enabling the sysoff mode of rt9467 charger + devices. + If enabled and the input is removed, the internal battery FET + is turned off to reduce the leakage from the BAT pin. See + device datasheet for details. It's commonly used when the + product enter shipping stage. After entering shipping mode, + only 'VBUS' or 'Power key" pressed can make it leave this mode. + 'Disable' also can help to leave it, but it's more like to + abort the action before the device really enter shipping mode. + + Access: Read, Write + Valid values: + - 1: enabled + - 0: disabled