From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 7BE4AC433E2 for ; Sat, 5 Sep 2020 13:40:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3770F2072D for ; Sat, 5 Sep 2020 13:40:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="dKmlOkci" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728614AbgIENjf (ORCPT ); Sat, 5 Sep 2020 09:39:35 -0400 Received: from mout.gmx.net ([212.227.17.22]:46561 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728473AbgIENer (ORCPT ); Sat, 5 Sep 2020 09:34:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1599312831; bh=dUozDayDb3rFWMmvDYXmPqx3PtWjU/j5UWsQB+GibEk=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=dKmlOkci75mW5whWMWqHXkc7HzP21sXxTAwPH9lCJ2HOB2zShwVgnEz2YhZhvRAHv 1SAYqEeAsxMZ4h/uouL90pLNPtbfEb4QynsxhJ3PagmiF634JkfHkuh/44xyavmpMv V6gsxA8eYEdfzUueOCVbROPIu21Y2uXCwO6oYpTc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([5.146.195.151]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MsHnm-1kXjrp1uaw-00toAA; Sat, 05 Sep 2020 15:33:51 +0200 From: =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= To: linux-kernel@vger.kernel.org Cc: Lee Jones , Rob Herring , =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= , Thierry Reding , =?UTF-8?q?Uwe=20Kleine-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 , Arnd Bergmann , Daniel Palmer Subject: [PATCH v2 02/10] dt-bindings: mfd: Add binding for Netronix's embedded controller Date: Sat, 5 Sep 2020 15:32:22 +0200 Message-Id: <20200905133230.1014581-3-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200905133230.1014581-1-j.neuschaefer@gmx.net> References: <20200905133230.1014581-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:KsJzyKCQwvS5BlRV0/850L0IdR6x4/dBrHBq7mSHZliTz8m15VR aOCXTl1oQJda9EIus66MyDVy9PVrf1df1zrgqUz4Zt/YXICmKRkNMGBR84B7sDEgDl3+yba WkmNDtiG8VAfYfRitvk0Sy/ovX8cTu8e+ETW3EFKXNE/zZXMgz5druzR5fVPayywYP3zLdG 6HHrIm1Ttfw/jGrYFXLYA== X-UI-Out-Filterresults: notjunk:1;V03:K0:71DsHEi3L3I=:T10erDS9EyZBaX8oDbQspC NnhLkb2BRMKd2VGqsu6pvf0KwC8U0EB4I/CLxB0+dBRXqhL6VdBKSiixDvh9ilJKLUEFIloyf lLNP7y+rKRIzPV1b0vsbLZ24nICXSvLQEHPgRYqtS0WC+G5fOsFeXfbmOEMP6iLPGsTH+DLYN /P6ISkyF/mR+OFr8E2iu1KTxrwkOLY0SKHmDwYbn1KDAEKewiAOa6QRBliIPLPuUfOLRO3nb7 CMx9HDsm2qYBTFwFNAXPft4SFJJEwY9mPQOC2clmdotuzhTvkDj0qqkSYr7b5igVZ1vGhKGZa ZfR1FlrKToOoSM4+GKdZgZdw41xvHhNegdUfHYNKL/58hKf5+qqr3f//iitYkGNV7jt5u4d7s 55eNY0S5Dl5B4BAJ9H3jgntd47FWvzbgTW+HMjAkrVLKzhnQlsplyTahpHP7SACM+OBjDomif q2RMYQWUMMkWRXKi5Jc6q2/KfUIlRvduoL/l3oR0G7D+RP8DmHSLujzrEtd+zbsUSVQIAHSxo IqLl3OnNEJdSelMuyAQCZHuZxJT46EOBsQSNzsqnK3GzbVX9zFYM4PuwTseaRyl9ekBsVIQoH VuHQrByq7A5x0DoDhE0y57pjMFR9DPFNFeTr8GZYtX6N8KD0wWzFg7foz3qsBStmOTlQIzBxS b0Gh4hj9YYyEFVj47XsAny0O5atLVzYv81ICQLM8OlGQ0ummRI/XjzO4ziD8aR/jzfg9+/TSa pFoG49va7jen2OTqA3EFVTUQQxuoK9reubfYy7wGD8pEjS77TOnE+/vOMk6UDLqexqZS4y5XQ EsTKGyg7/OByN2itgH0KiLS56RBqDDNjjs2UBgv1hW0GGQ7zrJ4GNCXaD3tn/ejgVfCrppFEY XnTGMXRdBn0cisd6nNk87J7B0HjPoj2AOwB5sJ5b9DV6/5nftONQfU2lhMI/pKO7gzjDe/TK2 HupgCbDeKR2lJJEJLpjDPMZXcJivy2D/ODfbSnY0GrqkW0DeS80pjS+u6VQaCpU6QULA8xkxB ErDc2fEfKVoj5Sb0ab+Mz4qVwAxifJPH11aZE4JfE78Y/f6AY15y1+qCwr7qyMeW5K4ckut3l oSPtih6LwglvqwwnDSQ706lXum2bZ2nYADUro47ZvI7hAWs7rmm7BewYCHymrrB82MYWMAVIq PISxogXIVtjPC+WZ190wbn3+CS6vYeWf4IXVoS3OveYqkYJJYmCfe0Od5FUAHswMq1WTdbQ8u zkmSLVDrSBiE6P2Xsl5NALOXNr0yzhAN4HcoAlQ== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 Neusch=C3=A4fer =2D-- v2: - Add the plaintext DT binding for comparison For reference, here is the binding in text form: Netronix Embedded Controller This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino= ), and is typically implemented as a TI MSP430 microcontroller. Required properties: - compatible: should be "netronix,ntxec" - reg: The I2C address of the EC Optional properties: - system-power-controller: See Documentation/devicetree/bindings/power/power-controller.txt - interrupts or interrupts-extended - interrupt-controller - #interrupt-cells: Should be 1 Optional subnodes: Sub-nodes are identified by their compatible string. compatible string | description --------------------------------|-------------------------------------- netronix,ntxec-pwm | PWM (used for backlight) netronix,ntxec-rtc | real time clock Example: &i2c3 { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_i2c3>; status =3D "okay"; ec: embedded-controller@43 { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_ntxec>; compatible =3D "netronix,ntxec"; reg =3D <0x43>; system-power-controller; interrupt-parent =3D <&gpio4>; interrupts =3D <11 IRQ_TYPE_EDGE_FALLING>; interrupt-controller; #interrupt-cells =3D <1>; pwm { compatible =3D "netronix,ntxec-pwm"; #pwm-cells =3D <2>; }; rtc { compatible =3D "netronix,ntxec-rtc"; interrupts-extended =3D <&ec 15>; interrupt-names =3D "alarm"; }; }; }; =2D-- .../bindings/mfd/netronix,ntxec.yaml | 57 +++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.y= aml diff --git a/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml b/D= ocumentation/devicetree/bindings/mfd/netronix,ntxec.yaml new file mode 100644 index 0000000000000..596df460f98eb =2D-- /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 Neusch=C3=A4fer + +description: | + This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolin= o), 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-contro= ller.txt + + interrupts: + minItems: 1 + description: + The EC can signal interrupts via a GPIO line + +required: + - compatible + - reg + +examples: + - | + #include + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + ec: embedded-controller@43 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_ntxec>; + + compatible =3D "netronix,ntxec"; + reg =3D <0x43>; + system-power-controller; + interrupt-parent =3D <&gpio4>; + interrupts =3D <11 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells =3D <1>; + }; + }; =2D- 2.28.0