MLK-9659 ARM: dts reduce QSPI freq on imx6sx-17x17-arm2 board

According to design spec on QSPI IO freq, reduce the freq to 29MHz.

Non-DQS mode:
-          SDR: 60MHz
-          DDR: 30Mhz

Signed-off-by: Allen Xu <b45815@freescale.com>
(cherry picked from commit da5d7175b84db47b8269a531e22a919d10d4bce9)

diff --git a/arch/arm/boot/dts/imx6sx-17x17-arm2.dts b/arch/arm/boot/dts/imx6sx-17x17-arm2.dts
index 74443c3587acce0867ffa4046b2c778bbed7a9cf..971416ca793a813db89d8e48c542fefe5cd2a7ec 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-17x17-arm2.dts
+++ b/arch/arm/boot/dts/imx6sx-17x17-arm2.dts
@@ -444,7 +444,7 @@
                #address-cells = <1>;
                #size-cells = <1>;
                compatible = "micron,n25q256a";
-               spi-max-frequency = <53000000>;
+               spi-max-frequency = <29000000>;
                reg = <0>;
        };
 
@@ -452,7 +452,7 @@
                #address-cells = <1>;
                #size-cells = <1>;
                compatible = "micron,n25q256a";
-               spi-max-frequency = <53000000>;
+               spi-max-frequency = <29000000>;
                reg = <1>;
        };
 };