linux-kernel - [PATCH] ARM: dts: imx28-lwe: Reduce maximal SPI frequency

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Message-Id: <20240902114652.893272-2-lukma@denx.de>
Date: Mon,  2 Sep 2024 13:46:51 +0200
From: Lukasz Majewski <lukma@...x.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Lukasz Majewski <lukma@...x.de>
Subject: [PATCH] ARM: dts: imx28-lwe: Reduce maximal SPI frequency

Due to some operational problems (HW) the maximal speed of the SPI
frequency for flash memory has been reduced by half.

Signed-off-by: Lukasz Majewski <lukma@...x.de>
---
 arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi b/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
index a954fef8bd8e..0fc74eeac217 100644
--- a/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
+++ b/arch/arm/boot/dts/nxp/mxs/imx28-lwe.dtsi
@@ -109,7 +109,7 @@ &ssp3 {
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
-		spi-max-frequency = <40000000>;
+		spi-max-frequency = <20000000>;
 		reg = <0>;
 
 		partitions {
-- 
2.39.2