[PATCH v2 3/3] arm64: dts: imx8mp-tqma8mpql: restrict clock for SPI-NOR flash

From: Alexander Stein

Date: Wed Oct 07 2026 - 03:20:48 EST


From: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>

The FlexSPI controller uses quad SPI with internal clock recovery.
The i.MX 8M Plus Applications Processor Datasheet for Industrial Products,
Rev. 2.2, 09/2024 lists a maximum FlexSPI frequency of 66.666666 MHz for
that mode.

Fixes: 418d1d840e42 ("arm64: dts: freescale: add initial device tree for TQMa8MPQL with i.MX8MP")
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/imx8mp-tqma8mpql.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
index 9716f24f7c6ed..0593bcb450a57 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
@@ -47,7 +47,7 @@ &flexspi {
flash0: flash@0 {
reg = <0>;
compatible = "jedec,spi-nor";
- spi-max-frequency = <80000000>;
+ spi-max-frequency = <66666666>;
spi-tx-bus-width = <1>;
spi-rx-bus-width = <4>;
vcc-supply = <&buck5_reg>;
--
2.55.0