From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ken Lin 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 Message-ID: <20170303212032.31725-1-yungching0725@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org 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 List-Id: devicetree@vger.kernel.org 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 --- 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