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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62DC5CCA48A for ; Mon, 20 Jun 2022 13:15:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245283AbiFTNPG (ORCPT ); Mon, 20 Jun 2022 09:15:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344738AbiFTNOA (ORCPT ); Mon, 20 Jun 2022 09:14:00 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4733E1EEFF; Mon, 20 Jun 2022 06:06:18 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B8A85B811B1; Mon, 20 Jun 2022 13:06:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E084BC3411B; Mon, 20 Jun 2022 13:06:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655730376; bh=zb93dGo4rOx73I2NIL7+fy8aGwRzCN4TayNzb/JoJmA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XFWExt4Sm8PhmtgA3PpGll82TSI1HyurTcPIcZ4DnbE7mKAYiT6jcyEsfIaOTBq7o doBDJG6+lKHlSE0lYDnpKxpIVnALOfahCO2teHIr218pji9LaqY4/upN6L9FiJntRE /1b6VIk9MjHybxhKXVgpBowCgig+fIstj47ymb6M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adam Ford , Shawn Guo Subject: [PATCH 5.15 004/106] arm64: dts: imx8mn-beacon: Enable RTS-CTS on UART3 Date: Mon, 20 Jun 2022 14:50:23 +0200 Message-Id: <20220620124724.513898809@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220620124724.380838401@linuxfoundation.org> References: <20220620124724.380838401@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Adam Ford commit 5446ff1a67160ad92d9aae9530846aa54750be36 upstream. There is a header for a DB9 serial port, but any attempts to use hardware handshaking fail. Enable RTS and CTS pin muxing and enable handshaking in the uart node. Signed-off-by: Adam Ford Signed-off-by: Shawn Guo Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi @@ -176,6 +176,7 @@ pinctrl-0 = <&pinctrl_uart3>; assigned-clocks = <&clk IMX8MN_CLK_UART3>; assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>; + uart-has-rtscts; status = "okay"; }; @@ -259,6 +260,8 @@ fsl,pins = < MX8MN_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x40 MX8MN_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x40 + MX8MN_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x40 + MX8MN_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x40 >; };