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Date: Sat, 4 Mar 2017 05:20:32 +0800
From: Ken Lin <yungching0725@...il.com>
To: shawnguo@...nel.org
Cc: kernel@...gutronix.de, fabio.estevam@....com, robh+dt@...nel.org,
mark.rutland@....com, inux@...linux.org.uk,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, akshay.bhat@...esys.com,
peter.stretz@...antech.com
Subject: [PATCH] ARM: dts: imx6q-bx50v3/imx6q-b450v3/imx6q-b650v3: fix at25 spi-clk frequency issue
Change the maxium spi clock frequency from 20MHz to 10MHz to meet the operation voltage range requirement recommended in AT25 datasheet
Signed-off-by: Ken Lin <yungching0725@...il.com>
---
arch/arm/boot/dts/imx6q-bx50v3.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index f99e6efda3e2..614c40e5f772 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -103,7 +103,7 @@
m25_eeprom: m25p80@0 {
compatible = "atmel,at25";
- spi-max-frequency = <20000000>;
+ spi-max-frequency = <10000000>;
size = <0x8000>;
pagesize = <64>;
reg = <0>;
--
2.11.0
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