From: Ken Lin <yungching0725@gmail.com>
To: shawnguo@kernel.org
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, inux@armlinux.org.uk,
robh+dt@kernel.org, akshay.bhat@timesys.com,
kernel@pengutronix.de, fabio.estevam@nxp.com,
linux-arm-kernel@lists.infradead.org, peter.stretz@advantech.com
Subject: [PATCH] ARM: dts: imx6q-bx50v3/imx6q-b450v3/imx6q-b650v3: fix at25 spi-clk frequency issue
Date: Sat, 4 Mar 2017 05:20:32 +0800 [thread overview]
Message-ID: <20170303212032.31725-1-yungching0725@gmail.com> (raw)
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@gmail.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
next reply other threads:[~2017-03-03 21:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-03 21:20 Ken Lin [this message]
2017-03-14 7:28 ` [PATCH] ARM: dts: imx6q-bx50v3/imx6q-b450v3/imx6q-b650v3: fix at25 spi-clk frequency issue Shawn Guo
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