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: 13811272 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A681914D290; Tue, 24 Sep 2024 22:07:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727215681; cv=none; b=Y5fuJf7uwPMX2WJagAS08eaI6DkoR7ucCh1wQoxI5w3t6yFQqIoS4xEztRJqJzk2mDM9P5vycS3yF0amK3WahmrP3jZ2jNpGuzGkyqqoJB50OrnRZFXshf82bawL5me01w7nc5rkrig4vW7LLoi768lRYFSoJHb4SHLtfs2FP0U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727215681; c=relaxed/simple; bh=96tCrm9njad6b6PBI7E/wWAqn4rwOO8KZwmwSrlayPM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=FHHZg9BqsVKHK+vwXwuaj7VLBRjyt9tAQjE+eMgwwd4rxepnEnITIxM76llMxGSqqOJt6LMV9/QtKTAr3DhYgPEmkpHRiqCGmr/uiMUnHOivKzyqL+uagAI1wJj3DZNzjP+9ZAZocNTJRULTQmpeXLpvx7rN407KxdKfaY3PqZQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=tGzg0TIx; arc=none smtp.client-ip=198.47.23.248 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="tGzg0TIx" 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> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea 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>; +};