From patchwork Tue Sep 24 22:07:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 13811287 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 9D799CF9C6B for ; Tue, 24 Sep 2024 22:11:30 +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=4h53RmnxU7gpILaf3yHrv+tcrbJnvBSStCmsQx4E+QM=; b=I6pH1bKLMAvvsynQyaXU3XCtZa r7AKs0/Cp3Z0YlMYS7R7qSlSAjR0+3pilpiXFAnCKHPhiydhdVrxlIeP9AeCfJJ8+jtiMTlxjK6DY Gm5U84x8ueirgrfPnB5+jOzikHOTigfJHVNo80jpAMc1eG46QPg8B+09QgPy4OsmwBFf/fnU0KOjr f91Om9gORsrPwm4czgxFcsRC7iCEuNWDqD5GkS7ybkLKVtcyNCOp8rjcgdgKmMiSfxZM8NDWpQDdQ B7O4ithkIcHiJmcTayuu5n97H5TEAp3MOOGxifwEdPGiYfoxJ0TLHRb0H1zpQCXTL8rIKfa1Gh71X ig5et3OQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1stDkd-00000003PYE-1r75; Tue, 24 Sep 2024 22:11:19 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1stDhF-00000003OuN-331R for linux-arm-kernel@lists.infradead.org; Tue, 24 Sep 2024 22:07:52 +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 48OM72FC054738; Tue, 24 Sep 2024 17:07:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1727215622; bh=4h53RmnxU7gpILaf3yHrv+tcrbJnvBSStCmsQx4E+QM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=tGzg0TIxL3x7WT9trsK/QBnnh61XHnkmm4NKPf6n3j6CfO48MfHxAtVHcBMo0MdRr CiJ5hFHtR4FgANRfI7JMAkz4tGdT8vi7Pvazcl8NYhpA9lriZGMS2LrnicWJkq1alV T8P/5TUfHKvZEsCI/kF39dAsHQohRlaRd/4vRKxE= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 48OM729W036385 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 24 Sep 2024 17:07:02 -0500 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 24 Sep 2024 17:07:02 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE107.ent.ti.com (157.170.170.37) 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; Tue, 24 Sep 2024 17:07:02 -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 48OM72lW037639; Tue, 24 Sep 2024 17:07:02 -0500 From: Judith Mendez To: William Breathitt Gray CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vignesh Raghavendra , Nishanth Menon , Tero Kristo , David Lechner , , , , , Judith Mendez Subject: [PATCH v6 5/5] arm64: dts: ti: k3-am64x-sk: Enable eQEP Date: Tue, 24 Sep 2024 17:07:00 -0500 Message-ID: <20240924220700.886313-6-jm@ti.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240924220700.886313-1-jm@ti.com> References: <20240924220700.886313-1-jm@ti.com> MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240924_150749_955044_61129ABF X-CRM114-Status: GOOD ( 11.90 ) 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 v5: - 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 86369525259c..47b351067bb8 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 */ @@ -687,3 +697,10 @@ &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>; +};