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ramips: increase SPI frequency for Phicomm series devices

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From many teardown image in the internet, I find Phicomm K1/k2 series use
Winbond W25Q64/W25Q128 or GigaDevice GD25Q64/GD25Q128 Flash chips. both of
them support 100+ MHz clock spi operate and fast-read instruction. PSG1218
with W25x or GD25x has been tested and it can run well in OpenWrt v19.07.

Signed-off-by: Shiji Yang <yangshiji66@qq.com>
[improve commit title]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Shiji Yang 2021-03-21 17:51:00 +08:00 committed by Adrian Schmutzler
parent d160b2c824
commit c36e47c5da
4 changed files with 8 additions and 4 deletions
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3
target/linux/ramips/dts/mt7620a_phicomm_k2g.dts
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@ -50,7 +50,8 @@
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <24000000>;
spi-max-frequency = <80000000>;
m25p,fast-read;
partitions {
compatible = "fixed-partitions";

3
target/linux/ramips/dts/mt7620a_phicomm_psg1208.dts
View File

@ -53,7 +53,8 @@
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
spi-max-frequency = <80000000>;
m25p,fast-read;
partitions {
compatible = "fixed-partitions";

3
target/linux/ramips/dts/mt7620a_phicomm_psg1218.dtsi
View File

@ -50,7 +50,8 @@
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
spi-max-frequency = <80000000>;
m25p,fast-read;
partitions {
compatible = "fixed-partitions";

3
target/linux/ramips/dts/mt7621_phicomm_k2p.dts
View File

@ -50,7 +50,8 @@
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
spi-max-frequency = <80000000>;
m25p,fast-read;
partitions {
compatible = "fixed-partitions";