From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DC11838F95B for ; Thu, 30 Apr 2026 08:10:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777536640; cv=none; b=JHKqu5r/nshL45CX8BQHpcqPGLPGEwz0RxVsr665iOhuSUke71Kfq+or2piqBDcW+mDFrFGoaxk79vkhqtliQkWIBLWqq+dVLD/B1VD2mH0hhjf21Rx2AOvy8RTI9XTElHFAytZr6rJlVYGyZLmXzSdECTHeLgSAsmELLLXtCmY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777536640; c=relaxed/simple; bh=+gXx26kToc5Qsn+X5xpx5KaXlfJuV83OpMJgOHZcMo4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BJQkLXO+wHyP80/SaIRzttTCtsXAHAqDqUsViYvbW6vn4P95OYj8iMMEIX0GdlUFfKBZEE8VjGTcjPmLMDR6xwZMPYFFCiCWzk7U+e7s+0xRSNtydFoIyFhxaJsb7AVSIuKWCJSBVWUtTGH+AfKiEanrCCbke4u5cdhYp6xCk1k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Zscll8cq; arc=none smtp.client-ip=209.85.221.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Zscll8cq" Received: by mail-wr1-f53.google.com with SMTP id ffacd0b85a97d-43d7645adbdso393373f8f.1 for ; Thu, 30 Apr 2026 01:10:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1777536637; x=1778141437; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=pFgTexS82Aes4S2KA8waYF2yU7gR1eiSJ6BQPR26m30=; b=Zscll8cqj2R4VbtGZixrvFrLLhq0FQdgD+IqQkfWD/omnoEpRRDNcGOvWxGUgF1a/L LjJrGldVShBgNVfkeU3MU+Suq11HqyN+HVCWJG0g0HtuMFctQs0myOSWh9Rb37GCwLPx ymhgJBtlTXcYKIubGB1+o0ILbzIDMf4QVcqY4mGVj4Mwr8EE4Eq/gJpx6YIZOH+VHUf9 wHKRHqjttAAOdaoU9a5B7reh9FlG+9Si2wMDsp7qQ7i8LtgHpgkV9dEzd49tysQielM3 u7acRmyo3ia+kxxemSdo+X2QSa9VKeXWTb4ryhCZ5kYGLffl+ZX2iDhm8fgz7Lb2GVYS Niyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777536637; x=1778141437; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=pFgTexS82Aes4S2KA8waYF2yU7gR1eiSJ6BQPR26m30=; b=ruv5Bcj8L5PcMgtmaivhBNd1g8xGf8sJSC9re5SvgDuLE/TSxtmkyfgoHFapt6ABgg 5mgHLGObWzETr6OX3Q89IJmBuaiZ9f3KHhufchRzF93yI1eO0d+cHFFJzinj8IIAJC7i u7NDnb+D+imYBpVL82D3PKmEFPjkbQrvqmY7TevEJmECGx0KGpaxYq1DN69c3Xn3QXGe rGi/U/Eoa29kHchFVwqOFAOsvubE9WugBfLxvG5PgIe4dblvMgf1QgjQ2zs+lUdH/rd/ /UBC7wJTP+ZMDV7pvyNJlQsdI0/PwqCRsuggUGLODYPdg+jSJ/wFp6cANy/0DPrTShp9 GzOg== X-Forwarded-Encrypted: i=1; AFNElJ9smhky1DeOLkR2kuw/VDPEXlP0Z9J5G2kPKtGjbibAN5X6l7izK8TC1Z+ssMvWRN5r2R+t8m1KiiKCbIQ=@vger.kernel.org X-Gm-Message-State: AOJu0Ywdb9EzmG4pWtD0YaDr33rd4V7F+JmO5JAJssrxHF4C/xxUYk4V tvOgKQKvPW73r+5EtcrrXrdHU9yNXsG9eSQwZGJvbKGGnxMoEq0S7w3q X-Gm-Gg: AeBDieuYJw56dVlTtPLKTLIcQojibE8qt4fZmLY59B1ri7LK9HMPlcTadqc82HGNhCw vq8fXSR627m631YhesuCZ7D1UF1Qe1hEiuaHw+28pXkd2SOLmUbnodMcWRl4lbJIy8A4e1ca1CO JLnp8/e7Wlww+YVYEKkUXZpYQemLzh3ISZb+Rp/Mo1/j96PmswmCJcTMrqRTGYnNJFwTivm1Clf po851CrfEmjXHbirLSKOloOfJGzzwWKJmfcQxX48h83Xt8CgR7vykYJL5Nu03Km5B+Ba1vrMiFd O7HLmL5zwDrd0cvGH1TdMukIpGk9TM0mCaP3Vq83kRnFfe8geow/Lt0ilkiL3wG/rLW3UagFJmF ABFRIl5/6nmSsU92kfCgLPHlBYhQ9odoTZRzibejDDrLNfwoSag5YKd46nTojj52F/xgWShDfYy agDz/Jrf9h13O6s409n1RtRb4= X-Received: by 2002:a5d:5f85:0:b0:43e:a69b:d804 with SMTP id ffacd0b85a97d-4493fde12d5mr2993201f8f.29.1777536637211; Thu, 30 Apr 2026 01:10:37 -0700 (PDT) Received: from xeon ([188.163.112.56]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-447b120bdefsm11809517f8f.0.2026.04.30.01.10.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2026 01:10:36 -0700 (PDT) From: Svyatoslav Ryhel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sebastian Reichel , Svyatoslav Ryhel , =?UTF-8?q?Jonas=20Schw=C3=B6bel?= Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: embedded-controller: Document Surface RT EC Date: Thu, 30 Apr 2026 11:10:14 +0300 Message-ID: <20260430081017.59345-2-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260430081017.59345-1-clamor95@gmail.com> References: <20260430081017.59345-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document Embedded Controller used in Microsoft Surface RT tablets for monitoring battery properties and charger status. Signed-off-by: Svyatoslav Ryhel --- .../microsoft,surface-rt-ec.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/embedded-controller/microsoft,surface-rt-ec.yaml diff --git a/Documentation/devicetree/bindings/embedded-controller/microsoft,surface-rt-ec.yaml b/Documentation/devicetree/bindings/embedded-controller/microsoft,surface-rt-ec.yaml new file mode 100644 index 000000000000..0fee574a3015 --- /dev/null +++ b/Documentation/devicetree/bindings/embedded-controller/microsoft,surface-rt-ec.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/embedded-controller/microsoft,surface-rt-ec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microsoft Surface RT fuel gauge and charger EC + +maintainers: + - Jonas Schwöbel + - Svyatoslav Ryhel + +description: + An Embedded Controller used in Microsoft Surface RT for monitoring + battery properties and charger status. + +allOf: + - $ref: /schemas/power/supply/power-supply.yaml# + +properties: + compatible: + const: microsoft,surface-rt-ec + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + enable-gpios: + maxItems: 1 + + monitored-battery: true + +required: + - compatible + - reg + - interrupts + - enable-gpios + +additionalProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + embedded-controller@a { + compatible = "microsoft,surface-rt-ec"; + reg = <0x0a>; + + interrupt-parent = <&gpio>; + interrupts = <74 IRQ_TYPE_EDGE_RISING>; + + enable-gpios = <&gpio 88 GPIO_ACTIVE_HIGH>; + monitored-battery = <&battery>; + }; + }; +... -- 2.51.0