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arm64: zynqmp: Fix zynqmp mini qspi max frequency

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For zynqmp qspi, frequencies up to 40MHz will work irrespective
of feedback clock enabled or disabled. If we want higher than
40Mhz the feedback clock should be enabled.

With spi-max-frequency 108MHz it is not working when the feedback
clock is disabled. Change it to 40MHz so that it works irrespective
of feedback clock enabled or disabled.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Acked-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
T Karthik Reddy 2020-07-22 02:27:34 -06:00 • committed by Michal Simek
parent 2fbdbee732
commit d93fbac512
1 changed files with 1 additions and 1 deletions
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2
arch/arm/dts/zynqmp-mini-qspi.dts
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@ -70,7 +70,7 @@
reg = <0x0>;
spi-tx-bus-width = <1>;
spi-rx-bus-width = <4>;
spi-max-frequency = <108000000>;
spi-max-frequency = <40000000>;
};
};