From patchwork Wed Jun 12 13:55:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 13695073 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 33006C27C77 for ; Wed, 12 Jun 2024 13:57:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sZhjjT6mYCzNLpND5LOJH3nVDScay6T/1TCsy8UFgLU=; b=u7+GDOVhkIR5OwGf9yCfaTSp2t wcV9m942XG/9I5p71N7I15wYEffbO6r18ivWADBX6iXuBFcBxG9dAIM61yQeySAzW1DGoPiULPMYs TazoQWRCShqGkCmSRsdzU+Vybd69yrIFHwZwfHP7snX/OrWigNDmgN+y1+/54GRr3ba27pFQQxUz9 +XRen9dsUxJzSFscvVURqHlUPNFEKXvrEBxQramVspO9ljfvTMECpFV/da+i9G+B4Uxb+WhdooyVL oJQ+jZuL6XRsxQ6ySjnDMD0/Hqnl0GtU2ZHvQwax7EA9kvuy7kRhl41GBZ1Sn7aqO24n19Y0oIs9z phPy8xqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHOT7-0000000CqTp-2Y2Z; Wed, 12 Jun 2024 13:56:53 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHOSi-0000000CqGb-1IKb for linux-arm-kernel@lists.infradead.org; Wed, 12 Jun 2024 13:56:31 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 45CDtdPQ064429; Wed, 12 Jun 2024 08:55:39 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1718200539; bh=sZhjjT6mYCzNLpND5LOJH3nVDScay6T/1TCsy8UFgLU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=UKPUieviMimbmNYWbMP4HyiFCyPrGzswuFHeeRYH3STtLl0v1cefh+aLusVz2DSX6 zKbEQm1P73zzxJzOFyEXvu9pr0ErGg2PrvxNO0++ZEE2dW/AUrHMNI2Yuq1HGIcJR/ 3Ny9lPu0fsFPzROQKQ28tVeNQoOEZdyUri9vCIWM= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 45CDtdYC101155 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 12 Jun 2024 08:55:39 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 12 Jun 2024 08:55:39 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 12 Jun 2024 08:55:39 -0500 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 45CDtclW092708; Wed, 12 Jun 2024 08:55:39 -0500 From: Judith Mendez To: Rob Herring , Krzysztof Kozlowski , Krzysztof Kozlowski , Conor Dooley , William Breathitt Gray , Nishanth Menon CC: , , , Vignesh Raghavendra , Tero Kristo , , David Lechner Subject: [PATCH v5 7/8] arm64: dts: ti: k3-am64x-sk: Enable eQEP Date: Wed, 12 Jun 2024 08:55:37 -0500 Message-ID: <20240612135538.2447938-8-jm@ti.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240612135538.2447938-1-jm@ti.com> References: <20240612135538.2447938-1-jm@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_065628_528511_DEE893A0 X-CRM114-Status: GOOD ( 11.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org There are 3 instances of eQEP on AM64x. Only EQEP0 signals can be routed to the user expansion so enable only EQEP0 in k3-am642-sk.dts. Signed-off-by: Judith Mendez --- Changes since v4: - No change --- arch/arm64/boot/dts/ti/k3-am642-sk.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 5b028b3a3192f..1992444953745 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -357,6 +357,16 @@ main_ecap0_pins_default: main-ecap0-default-pins { AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */ >; }; + + main_eqep0_pins_default: main-eqep0-default-pins { + pinctrl-single,pins = < + AM64X_IOPAD(0x00a0, PIN_INPUT, 3) /* (N16) GPMC0_WPn.EQEP0_A */ + AM64X_IOPAD(0x00a4, PIN_INPUT, 3) /* (N17) GPMC0_DIR.EQEP0_B */ + AM64X_IOPAD(0x00ac, PIN_INPUT, 3) /* (R20) GPMC0_CSn1.EQEP0_I */ + AM64X_IOPAD(0x00a8, PIN_INPUT, 3) /* (R19) GPMC0_CSn0.EQEP0_S */ + >; + }; + main_wlan_en_pins_default: main-wlan-en-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x00c4, PIN_OUTPUT_PULLUP, 7) /* (V8) GPIO0_48 */ @@ -672,3 +682,10 @@ &ecap0 { pinctrl-names = "default"; pinctrl-0 = <&main_ecap0_pins_default>; }; + +&eqep0 { + status = "okay"; + /* EQEP0 A & B available on pins 18 & 22 of J4 header */ + pinctrl-names = "default"; + pinctrl-0 = <&main_eqep0_pins_default>; +};