From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C04A712F5A2; Sun, 24 Mar 2024 22:36:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711319810; cv=none; b=UIhK4jETYICB3nfZH5vQuaoNIWo8eF62XCcDbDWWd/yYPBp5PpchtvNcJGNYhVsomR12QE05cQomNWknPkc5O5Rus1nv+j9z2H0JLOXE8JxjzeA6DPAYlXuARvj7iOIX0RgNGfNlLk3b8nMXjnJc3Je1phJOxmFdBn0EgcgPTbk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711319810; c=relaxed/simple; bh=37Zel5azHMMPsuJmvBbKgkaQSVhGNE8yCrKdKwCBDRk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mTidizBpNTyl6C8Rwc9BG1kXAz0ENv9ajuRX8t122v2kg0QMhx/zkTXGSVjgFJlF1a5FnTpWC/tBW+P6a12c/xL9YKIbSRLwX1olGfPLZyUZo/PFgLJ9ArqFqnO6rpttcGkxfpb5O6HpAHocFP5d//aueCWuht7cTBBQDLS38iQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NKfoSMld; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NKfoSMld" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D910C433F1; Sun, 24 Mar 2024 22:36:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711319810; bh=37Zel5azHMMPsuJmvBbKgkaQSVhGNE8yCrKdKwCBDRk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NKfoSMld3u3bOD4tBtc/fRH5rQQuo0sa+A7aIei7EOBjueNtZS2qdC/HFzIW4ORep PHwPhylYFFXeCv9GO8mzztGFjZvgVdYSTTji/UM9ZBVqX6JMM7N033U9XCKP8DPIeT 8NIBgi/wh60vp6UZql+lBVpEZK+66t4rbx2Aqvt1yKeuZpZaa2yIfIew9pK/oL5ztT lMDQu/V2WJUrfxxflcmSjYDbChXe1SK6F/df7ISq45dT0I9VysyqDOQkOj0E+TslcS JHdPzsvJ//Mcx3MwT2SFhIvtXUkai07PZkiYXAXk7O6uKMlYKWGMg1K2D0Z/1NOFsu TSpOIe7EbgIiw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Frieder Schrempf , Shawn Guo , Sasha Levin Subject: [PATCH 6.8 112/715] arm64: dts: imx8mm-kontron: Disable pullups for onboard UART signals on BL board Date: Sun, 24 Mar 2024 18:24:51 -0400 Message-ID: <20240324223455.1342824-113-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324223455.1342824-1-sashal@kernel.org> References: <20240324223455.1342824-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Frieder Schrempf [ Upstream commit 162aadaa0df8217b0cc49d919dd00022fef65e78 ] These signals are actively driven by the SoC or by the onboard transceiver. There's no need to enable the internal pull resistors and due to silicon errata ERR050080 let's disable the internal ones to prevent any unwanted behavior in case they wear out. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Signed-off-by: Frieder Schrempf Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- .../boot/dts/freescale/imx8mm-kontron-bl.dts | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts index 5fd2e45258b11..ee93db11c0d06 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts @@ -292,19 +292,19 @@ MX8MM_IOMUXC_SPDIF_RX_PWM2_OUT 0x19 pinctrl_uart1: uart1grp { fsl,pins = < - MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x140 - MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX 0x140 - MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B 0x140 - MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B 0x140 + MX8MM_IOMUXC_SAI2_RXC_UART1_DCE_RX 0x0 + MX8MM_IOMUXC_SAI2_RXFS_UART1_DCE_TX 0x0 + MX8MM_IOMUXC_SAI2_RXD0_UART1_DCE_RTS_B 0x0 + MX8MM_IOMUXC_SAI2_TXFS_UART1_DCE_CTS_B 0x0 >; }; pinctrl_uart2: uart2grp { fsl,pins = < - MX8MM_IOMUXC_SAI3_TXFS_UART2_DCE_RX 0x140 - MX8MM_IOMUXC_SAI3_TXC_UART2_DCE_TX 0x140 - MX8MM_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B 0x140 - MX8MM_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B 0x140 + MX8MM_IOMUXC_SAI3_TXFS_UART2_DCE_RX 0x0 + MX8MM_IOMUXC_SAI3_TXC_UART2_DCE_TX 0x0 + MX8MM_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B 0x0 + MX8MM_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B 0x0 >; }; -- 2.43.0