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=-2.9 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 29DBEC43142 for ; Tue, 31 Jul 2018 07:12:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD9EA208A2 for ; Tue, 31 Jul 2018 07:12:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=goldelico.com header.i=@goldelico.com header.b="esKnSe4T" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD9EA208A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goldelico.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732289AbeGaIvP (ORCPT ); Tue, 31 Jul 2018 04:51:15 -0400 Received: from mo4-p04-ob.smtp.rzone.de ([81.169.146.177]:17190 "EHLO mo4-p04-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732164AbeGaIur (ORCPT ); Tue, 31 Jul 2018 04:50:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1533021113; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=EliiLwTPmGSbDwWK741EpRrBcJZcBOCipR6lx4gtBgY=; b=esKnSe4T5j2PQZS/Uboe377uW8vj/UzGOvpxELR3ldA2Q8DP2ng6fMBEKxfy2y72jX +u+cQocHRwKcOYEUphLkQvctTdzsDTDmW//oJSlglM8cvlY/mdDbpbleBrBKsU2jrDtg VQqh4Tf/bF24Bwr1nHCmVU4Tc8SGuIqUaOSmJDBjwcdNCbmzHyIkz8xBoYk7cpzf8vGn rZRsWm/oMZ/1g7beKmbkcPsRNtfAvf44knkE7LnT9payqKQt/A3t5SqQeQ3zyI42a7kW c+lZVoKwurv9h2XZXMwl55J/7nBz5r+Vqz0gO5+ECA4+XLv2eDCdM9FUmzhc+BPvpzej Gi2g== X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o1pxICp41QvXLM9PJBRQ" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 43.13 DYNA|AUTH) with ESMTPSA id 6047f4u6V7BlwOu (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Tue, 31 Jul 2018 09:11:47 +0200 (CEST) From: "H. Nikolaus Schaller" To: ladis@linux-mips.org, Sebastian Reichel , Tomi Valkeinen , Marek Belisko , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Tony Lindgren , Rob Herring , Mark Rutland Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, "H. Nikolaus Schaller" Subject: [PATCH v2 28/32] ARM: dts: omap3-gta04a5: disable IrDA receiver to save power Date: Tue, 31 Jul 2018 09:11:31 +0200 Message-Id: X-Mailer: git-send-email 2.12.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The GTA04A5 has an improved IrDA circuit that can enable/disable the receiver individually. We do not have an IrDA driver/subsystem and hence the receiver should be actively turned off to save power, especially in suspend. Signed-off-by: H. Nikolaus Schaller --- arch/arm/boot/dts/omap3-gta04a5.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/omap3-gta04a5.dts b/arch/arm/boot/dts/omap3-gta04a5.dts index e3f9e0969065..e3352cc97c91 100644 --- a/arch/arm/boot/dts/omap3-gta04a5.dts +++ b/arch/arm/boot/dts/omap3-gta04a5.dts @@ -25,7 +25,21 @@ }; +&gpio5 { + irda_en { + gpio-hog; + gpios = <(175-160) GPIO_ACTIVE_HIGH>; + output-high; /* activate gpio_175 to disable IrDA receiver */ + }; +}; + &omap3_pmx_core { + irda_pins: pinmux_irda { + pinctrl-single,pins = < + OMAP3_CORE1_IOPAD(0x21d0, PIN_OUTPUT_PULLUP | MUX_MODE4) /* mcspi1_cs1 = gpio175 */ + >; + }; + pps_pins: pinmux_pps_pins { pinctrl-single,pins = < OMAP3_CORE1_IOPAD(0x2138, PIN_INPUT | MUX_MODE4) /* gpin114 */ -- 2.12.2