From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from finn.localdomain (finn.gateworks.com [108.161.129.64]) (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 153471DD9AD; Wed, 4 Jun 2025 22:56:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=108.161.129.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749077800; cv=none; b=rZ6A1ywb43KdErlNunups5H5n1asE3txMT5TDIQj/wcz5WdLpgD83Ls0RhG5JxzoD/wNY1vVfQO4PXTrhT9Gq3wmYZ1aK8sdIeKkJBSgoph1N1xdDCSvjnLYqGA3sm+JzcdRjfY36cBCjVu9mRuZilhfFzZejJDk3fZzR+YDYN4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749077800; c=relaxed/simple; bh=ZHlgGgUqVKbA1IEcDNtc3T5KZlXhrj4WQoznUCuYpig=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hrXh6AV+WUCp7zkxQqwJKcIb96M+7Y6xW1rFcGqHLH847c3J+FoifVX0D15EaTHCrljgvF7cmlvPBdCK0L7OiT58NLwESpd/NssAMcXrmFuZtodPk0Bqt43DP0F7T4Q1d3Dcb97gqoit++yYyROPUe3QP/9csCA3i7AyeIg7dQk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gateworks.com; spf=pass smtp.mailfrom=gateworks.com; arc=none smtp.client-ip=108.161.129.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gateworks.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gateworks.com Received: from syn-068-189-091-139.biz.spectrum.com ([68.189.91.139] helo=tharvey.pdc.gateworks.com) by finn.localdomain with esmtp (Exim 4.95) (envelope-from ) id 1uMx2A-007Xnu-Cx; Wed, 04 Jun 2025 22:56:34 +0000 From: Tim Harvey To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: imx@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , stable@vger.kernel.org, Tim Harvey Subject: [PATCH v2 3/4] arm64: dts: imx8mp-venice-gw73xx: fix TPM SPI frequency Date: Wed, 4 Jun 2025 15:56:29 -0700 Message-Id: <20250604225630.1430502-3-tharvey@gateworks.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250604225630.1430502-1-tharvey@gateworks.com> References: <20250604225630.1430502-1-tharvey@gateworks.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The IMX8MPDS Table 37 [1] shows that the max SPI master read frequency depends on the pins the interface is muxed behind with ECSPI2 muxed behind ECSPI2 supporting up to 25MHz. Adjust the spi-max-frequency based on these findings. [1] https://www.nxp.com/webapp/Download?colCode=IMX8MPIEC Fixes: 2b3ab9d81ab4 ("arm64: dts: imx8mp-venice-gw73xx: add TPM device") Cc: stable@vger.kernel.org Signed-off-by: Tim Harvey --- v2: add cc to stable --- arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi index e2b5e7ac3e46..5eb114d2360a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw73xx.dtsi @@ -122,7 +122,7 @@ &ecspi2 { tpm@1 { compatible = "atmel,attpm20p", "tcg,tpm_tis-spi"; reg = <0x1>; - spi-max-frequency = <36000000>; + spi-max-frequency = <25000000>; }; }; -- 2.25.1