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Shiji Yang e627539601 ipq40xx: dts: reduce the maximum SPI clock frequency to 24MHz
The IPQ4019 datasheet indicates that the maximum supported SPI
frequency is 25 MHz. My experiment on SKSpruce WIA3300-20 shows
that exceeding this threshold can lead to instability of SPI
peripheral. Limit the SPI clock frequency to the QSDK recommended
value 24MHz to enhance stability.

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/19744
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit 3ff8a3dca8)
Link: https://github.com/openwrt/openwrt/pull/19796
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-08-21 22:57:20 +02:00
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