[PATCH 1/3] arm64: dts: imx8mm-tqma8mqml: restrict clock for SPI-NOR flash

Alexander Stein alexander.stein at ew.tq-group.com
Tue Oct 6 06:25:09 PDT 2026


From: Markus Niebel <Markus.Niebel at ew.tq-group.com>

The FlexSPI controller uses quad SPI with internal clock recovery.
The clock is therefore restricted to 66.666666 MHz according to
data sheet.

Signed-off-by: Markus Niebel <Markus.Niebel at ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
index 1b5ba3c47164f..48285bcbe9bbb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi
@@ -60,7 +60,7 @@ &flexspi {
 	flash0: flash at 0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <84000000>;
+		spi-max-frequency = <66666666>;
 		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <4>;
 		vcc-supply = <&buck5_reg>;
-- 
2.55.0




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