[PATCH v2 1/3] arm64: dts: imx8mm-tqma8mqml: restrict clock for SPI-NOR flash
From: Alexander Stein
Date: Wed Oct 07 2026 - 03:20:38 EST
From: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
The FlexSPI controller uses quad SPI with internal clock recovery.
The i.MX 8M Mini Applications Processor Datasheet for Industrial Products,
Rev. 2, 11/2022 lists a maximum FlexSPI frequency of 66.666666 MHz for
that mode.
Fixes: dfcd1b6f7620 ("arm64: dts: freescale: add initial device tree for TQMa8MQML with i.MX8MM")
Signed-off-by: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
Changes in v2:
* Clarify which datasheet is referred to
* Add Fixes tag
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@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