From d93fbac512a44bd05bae9db5834b22945911d70c Mon Sep 17 00:00:00 2001 From: T Karthik Reddy Date: Wed, 22 Jul 2020 02:27:34 -0600 Subject: [PATCH] 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 Acked-by: Ashok Reddy Soma Signed-off-by: Michal Simek --- arch/arm/dts/zynqmp-mini-qspi.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/dts/zynqmp-mini-qspi.dts b/arch/arm/dts/zynqmp-mini-qspi.dts index a76e640..9b4320f 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>; }; }; -- 2.7.4