From 13a185bf8acb67da4a68873e560876c0e60b1a87 Mon Sep 17 00:00:00 2001 From: Sungbo Eo Date: Sun, 5 Apr 2020 14:11:34 +0900 Subject: [PATCH] ramips: increase spi-max-frequency for ipTIME mt7620 devices This commit increases the hardware SPI frequency from 24.2MHz to 48.3MHz. [ 5.314163] m25p80 spi0.0: speed: 24166666/40000000, rate: 8, prescal: 2, loops: 226 [ 5.076323] m25p80 spi0.0: speed: 48333333/50000000, rate: 4, prescal: 1, loops: 162 `time cat /dev/mtd2 >/dev/null` is reduced from 5.64s to 4.36s on A104ns, and from 11.39s to 8.81s on A1004ns. Signed-off-by: Sungbo Eo --- target/linux/ramips/dts/mt7620a_iptime.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/linux/ramips/dts/mt7620a_iptime.dtsi b/target/linux/ramips/dts/mt7620a_iptime.dtsi index 5a6fdacb52..c7c90ca722 100644 --- a/target/linux/ramips/dts/mt7620a_iptime.dtsi +++ b/target/linux/ramips/dts/mt7620a_iptime.dtsi @@ -21,7 +21,7 @@ flash@0 { compatible = "jedec,spi-nor"; reg = <0>; - spi-max-frequency = <40000000>; + spi-max-frequency = <50000000>; partitions { compatible = "fixed-partitions"; -- 2.25.1