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 88D35C43334 for ; Mon, 20 Jun 2022 12:54:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242961AbiFTMyD (ORCPT ); Mon, 20 Jun 2022 08:54:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242877AbiFTMxi (ORCPT ); Mon, 20 Jun 2022 08:53:38 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D443DFC2; Mon, 20 Jun 2022 05:53:38 -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 EF266B811A2; Mon, 20 Jun 2022 12:53:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E812C3411B; Mon, 20 Jun 2022 12:53:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655729615; bh=0T5pLQ2jcyVXZqHu1Zl2epmxPE4gtirDF3BkhxV0uDg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wAocZ3n59j3tnYWH3tT726u9IwGu0Hbmr0wp5gKpUZuYztjpYZtp5iM+fxBz4Ld7j 5FmX9O//fNp8b3plIsPq8v0z8E62GkgCP9ZwWfTqtOVQIVVFG1ZsVUpLxcn6uXOt2t cOk+xuZeXA5Gba+5DP3SpImvXn/9+Ffw88Lp/6pA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adam Ford , Shawn Guo Subject: [PATCH 5.18 002/141] arm64: dts: imx8mm-beacon: Enable RTS-CTS on UART3 Date: Mon, 20 Jun 2022 14:49:00 +0200 Message-Id: <20220620124729.585626370@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220620124729.509745706@linuxfoundation.org> References: <20220620124729.509745706@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: linux-kernel@vger.kernel.org From: Adam Ford commit 4ce01ce36d77137cf60776b320babed89de6bd4c 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/imx8mm-beacon-baseboard.dtsi | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-baseboard.dtsi @@ -278,6 +278,7 @@ pinctrl-0 = <&pinctrl_uart3>; assigned-clocks = <&clk IMX8MM_CLK_UART3>; assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_80M>; + uart-has-rtscts; status = "okay"; }; @@ -386,6 +387,8 @@ fsl,pins = < MX8MM_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x40 MX8MM_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x40 + MX8MM_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x40 + MX8MM_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x40 >; };