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authorT Karthik Reddy <t.karthik.reddy@xilinx.com>2020-07-22 02:27:34 -0600
committerMichal Simek <michal.simek@xilinx.com>2020-10-27 08:13:33 +0100
commitd93fbac512a44bd05bae9db5834b22945911d70c (patch)
treea68e78cca74b1f5b12779ee3b8f1f3f0ad968410
parent2fbdbee732aeaaa1cc541403e916221169d86bbf (diff)
downloadu-boot-d93fbac512a44bd05bae9db5834b22945911d70c.tar.gz
arm64: zynqmp: Fix zynqmp mini qspi max frequency
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>
-rw-r--r--arch/arm/dts/zynqmp-mini-qspi.dts2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/dts/zynqmp-mini-qspi.dts b/arch/arm/dts/zynqmp-mini-qspi.dts
index a76e640466..9b4320fe6e 100644
--- a/arch/arm/dts/zynqmp-mini-qspi.dts
+++ b/arch/arm/dts/zynqmp-mini-qspi.dts
@@ -70,7 +70,7 @@
reg = <0x0>;
spi-tx-bus-width = <1>;
spi-rx-bus-width = <4>;
- spi-max-frequency = <108000000>;
+ spi-max-frequency = <40000000>;
};
};