From patchwork Sat Sep 5 14:45:02 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: 1358057 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=W0utoWUm; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BkHWX40dvz9sTH for ; Sun, 6 Sep 2020 00:49:44 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728206AbgIEOtg (ORCPT ); Sat, 5 Sep 2020 10:49:36 -0400 Received: from mout.gmx.net ([212.227.17.20]:42887 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727875AbgIEOtf (ORCPT ); Sat, 5 Sep 2020 10:49:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1599317302; bh=IEqH3VoTRXkoCSwxpZXBM0ZvuxmxgH/x3EDZy/MG2ug=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=W0utoWUmqvO2Wd2qTBiiYg1KT/7DFNZCaZ1br1LTG0jedm7h24I8c6dIUsOPf8h/Z 5l3ZfMKmOEcNRy/RRKhdWWZGnSPnyuHRIlk+gMmU/W1Ai5VQRXPZc4MnF4slMpb5w9 GbKMrXyhMc4SiLKLFqLpwzbSAcmraVYT2440Ycvg= 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 1MxDkm-1kTvby1Z5U-00xYm9; Sat, 05 Sep 2020 16:48:22 +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 , Arnd Bergmann , Daniel Palmer Subject: [PATCH v2 10/10] ARM: dts: imx50-kobo-aura: Add Netronix embedded controller Date: Sat, 5 Sep 2020 16:45:02 +0200 Message-Id: <20200905144503.1067124-3-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 X-Provags-ID: V03:K1:vd9WOJrL43K7tgXIjq+fdw9XpujdDSKHb/13PJSlNAFTkIecV3o YX60zXdJjQ7qrZGkVCx1QVkyHK577opkAkZxYApe/pLtMTeHNJdsZBVrxxltqp8R826PARL YT8qR1GI4TmQgraabm+q2Jo32c+tsVXi91TIHEnv5RGm3QIjbzxvXecgaroLZC4XJTqqpdO nUWXhlV+LNhWwUkEfiCzQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:U1k4lbRWrSE=:kW2LDdSUqFSDmkB9xbWR4m wDNaXCZB0NWQdgtEuiPwP3ZYwh6M4FN0JbvRQfRMjfqiIDsl3g6vah7ukL3aXCRxfh/Jiuowu +vhJ1xFxvhrEOlTyPVJn3ozg94YY1L7NYBQ9Jm5LncQHjf/VekSvkgFSA1JhFXqOoTQ3f9mpb biihceeKyndJsAOtgJGGzxbplyE9Jsuc+p9vOnBdtl7PTRs9La7TLZqbyiYaJAaU8RmPbxBEn gdzGAuJ4sWA+5DkWodqXLOAQYS9W7/InG1mEQ1A2pcCqmqSahIPiA72B3Bhy0wIsjte1o2z3n OaM4xOlmoyfLO5urSaKLPpiveHzyjDOE4M0z0exteSeeN+PYJ+2gbafpEp7Hr2EAwVs534sgq DH9aP2/QIRo0cwYIQFQrU8GC3Vfpbobo6e7oxolfaIQZvYpcSpAZIuJI9/AAjsvrVaI18tl7N F7f8Xx2fA+LStWZYYUlWpAZEx8bljyK8RoxoGu/1s8ggU/0myLny/AOjmw3wjmHvEzsDEJ7Vp TZLaYbqEaDgkY271WWe4snF0/hDIPrZDnn4BRm+4BDjJRYq7eYXEZSb+fEW95CuXhF5ig9xzW MoO9n2+0gX6zA4RCBw/cQQgmjV2JskpaAr1Bqmfh1E7QPiKViuPdh3SHiVP5O+yeInsti7y0P O268Rve+4x4jxXYUVPa90bS45F4jn2sIonIzF9WGS05bN4zbtzVNbXODMXTkfc81oz7WWnXkr igVcOtmVrn7NZ+EiHZW2D4NcAATzQAg+l4kGW8CVuLXio5txNmg5XVZN7ujryaiZTUTsiow9W gta1dBmrXPIq6MZtRykxi/lkFBTpUo6GUtyjqAJCCsbFV9tRBAGMsJb7dmvau5zV2TJly0TVm qyBaM/nuew9hqvB2gJZhk86sBnUVLWEl8rVa1m/ExI1pnCp0k9jnBTzaOjxacHDZf/TueqfxT S5zu8IgrNZgLxpS6mA8vG0pExVmUbd48DkMkAuzfbNj2UT0VJ3H5zZIDWSEu/cipqjR8WQSln Kx/+ueTNRIZHqcZEI2bSHdKIV1yDPySIVTgTSGLLYs8T85zpTB7UGy4uZ68LOPXBEFFAFFJpd PU9uAzWLYvlvlPrrYZR/dZXne7MDTNM/59YFoDYou8mhjNqzORK09d/JWucccI8DMmy+kFxKY Ue0LoqLnyPRPe3F8Z4Ls1dHGwLd+31wlwlbQhjaIiEeRQmI1EpXDcHUV+V/FgsYFowN5COD+m XqerjoYe32hvo49OC70pAwbeklHL10pJRjmzZLQ== Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@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 --- v2: - Fix pwm-cells property (should be 2, not 1) --- arch/arm/boot/dts/imx50-kobo-aura.dts | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) -- 2.28.0 diff --git a/arch/arm/boot/dts/imx50-kobo-aura.dts b/arch/arm/boot/dts/imx50-kobo-aura.dts index a0eaf869b9135..003a7d894902c 100644 --- a/arch/arm/boot/dts/imx50-kobo-aura.dts +++ b/arch/arm/boot/dts/imx50-kobo-aura.dts @@ -6,6 +6,7 @@ /dts-v1/; #include "imx50.dtsi" #include +#include / { model = "Kobo Aura (N514)"; @@ -135,10 +136,34 @@ &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>; + interrupt-controller; + #interrupt-cells = <1>; + + ec_pwm: pwm { + compatible = "netronix,ntxec-pwm"; + #pwm-cells = <2>; + }; + + rtc { + compatible = "netronix,ntxec-rtc"; + }; + }; }; &iomuxc { + pinctrl_ec: ec { + fsl,pins = < + MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */ + >; + }; + pinctrl_gpiokeys: gpiokeys { fsl,pins = < MX50_PAD_CSPI_MISO__GPIO4_10 0x0