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According to the datasheet, there is IO limitation on these chips, the max frequency of such case is 66MHz, so add the limatation here to align with datasheet. Refer to 3.9.9 FlexSPI timing parameters on page 65. https://www.nxp.com/docs/en/data-sheet/IMX8MNCEC.pdf Signed-off-by: Haibo Chen --- arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 2 +- arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index b68954bcc383cfc799877ff64c5d9a59dd863907..bb57c1db7c64adb20c996bbc2e3996e1fde5b98a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -47,7 +47,7 @@ flash@0 { #address-cells = <1>; #size-cells = <1>; compatible = "jedec,spi-nor"; - spi-max-frequency = <80000000>; + spi-max-frequency = <66000000>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi index 145355ff91b454795478b504eb403b0590848d46..fa43238e7b917a5b5f0bd9af96bd900f6dbacb8d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi @@ -199,7 +199,7 @@ flash0: flash@0 { reg = <0>; #address-cells = <1>; #size-cells = <1>; - spi-max-frequency = <166000000>; + spi-max-frequency = <66000000>; spi-tx-bus-width = <4>; spi-rx-bus-width = <4>; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 3730792daf5010213cbb9f6869a8110ea28eb48a..0b47d72cae9900ad53eed04c810a9ea8af795446 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -272,7 +272,7 @@ &flexspi { flash@0 { compatible = "jedec,spi-nor"; reg = <0>; - spi-max-frequency = <80000000>; + spi-max-frequency = <66000000>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; }; -- 2.34.1