From patchwork Sat Jan 16 19:48:26 2021 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: 1427577 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-pwm-owner@vger.kernel.org; receiver=) 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=ljKvnS5D; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4DJ9N030X6z9sWF for ; Sun, 17 Jan 2021 07:57:04 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727479AbhAPU4r (ORCPT ); Sat, 16 Jan 2021 15:56:47 -0500 Received: from mout.gmx.net ([212.227.17.20]:48835 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726751AbhAPU4I (ORCPT ); Sat, 16 Jan 2021 15:56:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1610830440; bh=7B6YBniBlOdUKUBNpIZoTRJoQhsWL/33VK8gWA6nQR0=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=ljKvnS5DcTcWGglUZc7S5r2nf+1Ay8faK0t+OTQTHDxY0fQup1oJOWZBb4ypbLOB9 2zxYqQrl6VVlb5cDxkXDrInME0yNy2mFoMcfS9e2v809/mLiWol+4BqIb6W1+pw0lH DHvVRvAVohb5s6jzznWpA850XFRAK4X+Uq8sXF84= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([37.201.215.209]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MVvPJ-1lS4bN0qpx-00Rm0T; Sat, 16 Jan 2021 21:54:00 +0100 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 , Arnd Bergmann , Daniel Palmer , Andy Shevchenko Subject: [PATCH v8 7/7] ARM: dts: imx50-kobo-aura: Add Netronix embedded controller Date: Sat, 16 Jan 2021 20:48:26 +0100 Message-Id: <20210116194826.3866540-8-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210116194826.3866540-1-j.neuschaefer@gmx.net> References: <20210116194826.3866540-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:+jp6Fwxyu/nDxR+wW8seHUGOUPvLEAiset4N4MtufT7Oc6Q1H2z vgGOQA8TIu2zXrneixwjHpWyVlmxoN+ZyoKCu9fow5rgm8q7OhqO+Xe+crmZ5Ynsnri35tl H2YBkUBonCUhLUxk4Pe1J3quJbTC/eTjf/woiTfoJJUAf4DksWKkht7Misn58jht2pbNlv4 GZEQZDNhUQrhmKmD1v8/A== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:V1e2MGs1JUw=:DlxAGfpi0DVwORanN725CO dgmkRx7uNS5HKdTuGsGB2HBOxdR31P8eSxJQImujGcx7JBZS7YLt16T2ekImW+vDvhi5DA7xL FXIMb+RdCWLjTUoJeTqpwIgeX/76XUBJ3sX1G3CocUlp5S6Np2T3mM9+2PK+Y8Uj/KIE7IlwQ PIOHGTNNPIjkTsdh3p9hCySSUKcXoE9FcLAEOWVv9m10oL9DY9dviEWLmqY/ng3Tqxoy64H+q +QcsFZS3Ixpe0VltL4Kx01fWuLUurcR+7+WB9Av4wcA2qxGYzC7gXu3PYEO/4tsd3KKCEr4bF VP9Gr7Oqp0wl430YPeknqj5hj9v9jxzgVMzmi9lNhpo77MJ4EAlRgimj7EhoWr1Tzc3544Wb7 QLBOTlm4yMNTjfQOFP91eg5UP8c7K9yCx3UYKMbo6UTd/+CBprWQ0q6OMT5xIE8vXfKRwFC7P ktHrqUgCuoa/w/cgdHuCrgjCEmE8C/bQYsRXT5/u6LpL6gnn7aKoeL281fMRhDMEppZFATEAF JvTsp8pw8e3HruZBWGc9gYNcUxPZyvSGEXFTsiUoBvcfK25Xhir86wvjs40NCK35XKNp+FRZ6 cmeBQ+rUSF6INSDceXZA9GIq/34Qr/RVqbxvYpztU5KEAH9Q8JtNBMpNeNIHVcic9NPY8CG04 Hzrnq6ccohlQPG3uXlEjEF7JDpFFWJubqR1I5Hth/Bf7QDGTY3bwTSxoJw+IcOpn+Un4Pdy3x JXvTC1hAQoEpYKjBBrIBb1wo3qV5Hhomr1RESOfB12o3uKZhroZtXlFiWimmAw7n68qdGay6A NhkMH4BkKSvM5ajk3ppRDQvuYA/aTw9zuC6rYXBgFyWrS6dYltI+ypnW9zwEXQo3ul2PGFhcK EAlQCbQASncgDUl5U2SQ== Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Enable the Netronix EC on the Kobo Aura ebook reader. Several features are still missing: - Frontlight/backlight. The vendor kernel drives the frontlight LED using the PWM output of the EC and an additional boost pin that increases the brightness. - Battery monitoring - Interrupts for RTC alarm and low-battery events Signed-off-by: Jonathan Neuschäfer --- v5-v8: - no changes v4: - https://lore.kernel.org/lkml/20201123000913.1506944-1-j.neuschaefer@gmx.net/ - Add 'grp' suffix to pinctrl node v3: - https://lore.kernel.org/lkml/20200925050818.2512375-1-j.neuschaefer@gmx.net/ - Remove interrupt-controller property from embedded-controller node - subnodes of embedded-controller node in to the main node v2: - https://lore.kernel.org/lkml/20200905144503.1067124-3-j.neuschaefer@gmx.net/ - Fix pwm-cells property (should be 2, not 1) --- arch/arm/boot/dts/imx50-kobo-aura.dts | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) -- 2.29.2 diff --git a/arch/arm/boot/dts/imx50-kobo-aura.dts b/arch/arm/boot/dts/imx50-kobo-aura.dts index 97cfd970fe742..82ce8c43be867 100644 --- a/arch/arm/boot/dts/imx50-kobo-aura.dts +++ b/arch/arm/boot/dts/imx50-kobo-aura.dts @@ -143,10 +143,24 @@ &i2c3 { pinctrl-0 = <&pinctrl_i2c3>; status = "okay"; - /* TODO: embedded controller at 0x43 */ + embedded-controller@43 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ec>; + compatible = "netronix,ntxec"; + reg = <0x43>; + system-power-controller; + interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>; + #pwm-cells = <2>; + }; }; &iomuxc { + pinctrl_ec: ecgrp { + fsl,pins = < + MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */ + >; + }; + pinctrl_gpiokeys: gpiokeysgrp { fsl,pins = < MX50_PAD_CSPI_MISO__GPIO4_10 0x0