From patchwork Mon Jun 10 14:46:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 13692170 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 54E17C27C65 for ; Mon, 10 Jun 2024 14:47:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=2Sx7aa9AWCqUURAvh0vBpFdq8EudlpYoyZRbBiHgfWw=; b=iZJ8saOgbHtwHR B2PJJk6A9JGOKHg06Zsmqaq5m05iyBtOvWwYvLVIV2NnzcgjDs1IbeNhu/pmGWdDWXtrnm+XJSplo cmDxYwydImcHGJUc1/IFjAWROfx4WNNPCnfXElLIrxZ7M9yflUCxteH9CnLnqqMrkwI5tJgIwe6lh ovNq+kGKxlX1dNOy8x34HB0TrjRmILGWelvarxRuYlse4Fw+VsIeDUAacwBv9tCnhvK77wSSCKM2N VO2OdkBywg79s/QmO8P120NmGGh6tQQY6KADYoYtsrE4uAvc8xzhqkIERhtGwqbFOROKeXv64AuKO TTMo7vC9GlSrPKZGzjTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGgJ3-00000005TvF-2mNK; Mon, 10 Jun 2024 14:47:33 +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 1sGgIv-00000005Trt-3m1Q for linux-arm-kernel@lists.infradead.org; Mon, 10 Jun 2024 14:47:27 +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 45AEkcC2096200; Mon, 10 Jun 2024 09:46:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1718030798; bh=/9Vg0psZYqvNaVCVsyz9sQm9tkFR2sfzuZKiSToTa8w=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=jBmwMcZkZxtutF43ZaMQGOUSGLQxVMul1ZxIZcE6eXqCkfnUs8IjtC8dKtOg3r0oD kUNngGT3VkDWoniLnHM4ZkTFVb/Wty1EILf4HgiomRAbM7S+Jhllwt2JCvDiAjs/7f TvPUdMj5IvUloLU9BiFmx5648PtuWRKDT+ZsuxIA= Received: from DLEE101.ent.ti.com (dlee101.ent.ti.com [157.170.170.31]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 45AEkc1t008180 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 10 Jun 2024 09:46:38 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE101.ent.ti.com (157.170.170.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 10 Jun 2024 09:46:37 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE103.ent.ti.com (157.170.170.33) 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; Mon, 10 Jun 2024 09:46:37 -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 45AEkbZu096515; Mon, 10 Jun 2024 09:46:37 -0500 From: Judith Mendez To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , William Breathitt Gray , Nishanth Menon CC: , , , Vignesh Raghavendra , Tero Kristo , , David Lechner Subject: [PATCH v4 7/8] arm64: dts: ti: k3-am64x-sk: Enable eQEP Date: Mon, 10 Jun 2024 09:46:36 -0500 Message-ID: <20240610144637.477954-8-jm@ti.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240610144637.477954-1-jm@ti.com> References: <20240610144637.477954-1-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-20240610_074726_038218_298D4E9E X-CRM114-Status: GOOD ( 10.87 ) 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 v3: - Fix pinmux label name - Fix eQEP node comment --- 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>; +};