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| author | Sungbo Eo <mans0n@gorani.run> | 2020-04-05 14:11:34 +0900 |
|---|---|---|
| committer | Chuanhong Guo <gch981213@gmail.com> | 2020-04-18 12:35:54 +0800 |
| commit | 13a185bf8acb67da4a68873e560876c0e60b1a87 (patch) | |
| tree | cb679ca75aec6d3c5661d002958ade014f06d835 | |
| parent | 9169482f640ca840ff478ddd03ee2cb275d21c23 (diff) | |
| download | upstream-13a185bf8acb67da4a68873e560876c0e60b1a87.tar.gz upstream-13a185bf8acb67da4a68873e560876c0e60b1a87.tar.bz2 upstream-13a185bf8acb67da4a68873e560876c0e60b1a87.zip | |
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 <mans0n@gorani.run>
| -rw-r--r-- | target/linux/ramips/dts/mt7620a_iptime.dtsi | 2 |
1 files changed, 1 insertions, 1 deletions
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"; |