From patchwork Sat Jun 20 22:42:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Patchwork-Id: 1313772 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=gmx.net Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=gmx.net header.i=@gmx.net header.a=rsa-sha256 header.s=badeba3b8450 header.b=FvOk5311; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49q9hC3KNzz9sRN for ; Sun, 21 Jun 2020 08:43:55 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728803AbgFTWnd (ORCPT ); Sat, 20 Jun 2020 18:43:33 -0400 Received: from mout.gmx.net ([212.227.17.22]:43239 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728708AbgFTWna (ORCPT ); Sat, 20 Jun 2020 18:43:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1592692949; bh=fz9iJvS+IQADqhRoQ/zH92wyy5n1baG4XghBRzehFfE=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=FvOk5311cG2uyND48G8BKzya2u9fpnzaHK8YmvdJKt7M50kVWwih9sHWwaiS8M3sP BtgpHe3JYcdxUgJFJre3O6v7nIwP2dOB7jUccvNBJwfy5UfqbDmKfa04CvoyXDhH6P 7zDO9qrru+atBrEKXrG6QomzjJG03XZj3te4JOE4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([5.146.194.186]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MIx3C-1jSVUF2jyU-00KNXT; Sun, 21 Jun 2020 00:42:29 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-kernel@vger.kernel.org Cc: Lee Jones , Rob Herring , =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Alessandro Zummo , Alexandre Belloni , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Sam Ravnborg , Linus Walleij , Heiko Stuebner , Stephan Gerhold , Lubomir Rintel , Mark Brown , allen , Mauro Carvalho Chehab , "David S. Miller" , devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Heiko Stuebner , Josua Mayer , Andreas Kemnade Subject: [RFC PATCH 03/10] dt-bindings: mfd: Add binding for Netronix's embedded controller Date: Sun, 21 Jun 2020 00:42:14 +0200 Message-Id: <20200620224222.1312520-2-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200620224222.1312520-1-j.neuschaefer@gmx.net> References: <20200620224222.1312520-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:QskTcHILhGvocIQPvfd8FUOVQFGG/i9pz7IBgR13JIg2w4J5Spj zrU3wG1ZFT6FxWvc0CbTK0QAWqyc7FSbsTspi1g6jgJSJXPbILQ+pCY46jXupZggraGL8iV Rk7sUAPsGFeqgYHzkkEhQlrzu2z2aTn9MM+dYYhYIcaanJTQ/BG4Q71Nqo5cuZYC6A17THV I1j1Nb56pjLV5QKAV6+gQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:QtZPHCNxCyc=:IUkoyC/pOkJHsLV5zwhJyy +cWf4MfNeJK2AUnWJzPpNA2DY+10efIyXrp7CC3rd3nu54sRs2pfKTwbamsgIEq9+TRMVL505 RieT9GtFm7qKvtkBGFp1k4OYAI7MUZkclyHw+ko7h1RyrqtBGUTlOCKzTxjI0zRgfbS1mQort W1ik/LnXWBkbcb/GYtZ82IguXGVLJZHweOs+zcNeDfxf3bb4urQC57MVO7Is4amG/CaoMvrH8 c4aOHxNg8kra24qicrEmtWbreY492foqYxkqq3zsKErPtcilZVRjzyvbezT+6xhTRpoT6l8+W YfttDhcNAnRPG/XRNbun1iiKd8s7tqa3Ha01yPr90vryIUFgHxMhEBBCsjSvWj9xh5UgHvlZX Np4vfDVa2DKXYxnhKy0LSD7qjCrkxooEdfpg1ho0wpu1rq7XDwgWnKPaJjUo43jQMR9Q8VgjS 0wGvS+XvOzSHlWBu7LcJIm3dQbRZiCbFkLOD5AIYCoMo+pAdq7K302CEDJXRCeMUO3gymlNkO hm9JHIZFR4rs0gH2Yo1GD+uSb+09JnMt3ktmjCRpLcpxtFyB4xRgIlE8cBzOAnvcKD7/FLUAP x9BB4uH1F80Tib2N78Aq9cNhkRgVLydhT+qY37+KjO2dSbeWgvNQW2JzknBQEoSazqg7FGveP dqxxQrV0U3nTUYwUVMEGz/Lo/UldmmI/zXYNhpslQVGpHA5xjoSW360NeR5yrB9wSuHC3D7gX aMg0/Ik4N7hmp2ZPdPIAmXpbgUbjRQYL9yQvgmJ3Hzdj3lHvoq2YuGZKhMrMpJnr9XWnzWRax n0ng6pQdSlDxF//bvdwQSaiS5HWvhUHf8/J4kYQytqAWGTkGfJNusJdOyX++E7xaq+C+e6Tys kK7JYM/Jh+m4n9WJVo7gqAgWaX1AdIKOJa05nfaXoC9dqI8khc1PbKgCL2Lt/lhenqU0sNapX WeNEYn2wpOn3KrmevFcSPnTHF7mW9HV/VQQ+uhEOHckdMehtskSlHFV1EQmnl9iBLF5jCUBYf TXeqkYX9X6r/XWOgRxIOwRfJVFqINXgnqymozObNFFFQ5yUnhiiyhdwNU/F4opc9lxxPt1q5Z nxDuMP6e6qRkjU2QwdI9fNmhkVxeGu5bF9yxrfuvYMJkt4wQHbm+nuvCjAYG92JC86F8bwH3C v6A4EaLyXoaBXo+1ES5jqSJeiPZQ3kZ9tU1qIHkY9njfZcN1oWzyf6+h3rAjfKigCjNyxDWLN 7x7HZkTLOWToUzmip Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and is typically implemented as a TI MSP430 microcontroller. It controls different functions of the system, such as power on/off, RTC, PWM for the backlight. The exact functionality provided can vary between boards. Signed-off-by: Jonathan Neuschäfer --- .../bindings/mfd/netronix,ntxec.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml -- 2.27.0 diff --git a/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml new file mode 100644 index 0000000000000..596df460f98eb --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/netronix,ntxec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Netronix Embedded Controller + +maintainers: + - Jonathan Neuschäfer + +description: | + This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and + is typically implemented as a TI MSP430 microcontroller. + + +properties: + compatible: + const: netronix,ntxec + + reg: + items: + - description: The I2C address of the EC + + system-power-controller: + type: boolean + description: See Documentation/devicetree/bindings/power/power-controller.txt + + interrupts: + minItems: 1 + description: + The EC can signal interrupts via a GPIO line + +required: + - compatible + - reg + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ec: embedded-controller@43 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ntxec>; + + compatible = "netronix,ntxec"; + reg = <0x43>; + system-power-controller; + interrupt-parent = <&gpio4>; + interrupts = <11 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <1>; + }; + };