openwrt/target/linux/ramips/dts/mt7621_unielec_u7621-01-16m.dts
David Bentham 443e3bd1c6 ramips: unielec-u7621-01: Increase SPI frequency to 50MHz
Flash: 16MB SPI NOR flash (Macronix MX25L12805D)

Based on the manufactured datasheet this chip is capable of 50MHz.

We dont enable fast-read as mt7621 are only capable of 44mhz in a read state.

Tested on this unit without any issues.

Signed-off-by: David Bentham <db260179@gmail.com>
2024-01-03 00:21:09 +01:00

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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "mt7621_unielec_u7621-01.dtsi"
/ {
compatible = "unielec,u7621-01-16m", "unielec,u7621-01", "mediatek,mt7621-soc";
model = "UniElec U7621-01 (16M flash)";
};
&spi0 {
status = "okay";
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <50000000>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "bootloader";
reg = <0x0 0x30000>;
read-only;
};
partition@30000 {
label = "config";
reg = <0x30000 0x10000>;
read-only;
};
factory: partition@40000 {
label = "factory";
reg = <0x40000 0x10000>;
read-only;
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
eeprom_factory_0: eeprom@0 {
reg = <0x0 0x400>;
};
eeprom_factory_8000: eeprom@8000 {
reg = <0x8000 0x200>;
};
macaddr_factory_e000: macaddr@e000 {
reg = <0xe000 0x6>;
};
macaddr_factory_e006: macaddr@e006 {
reg = <0xe006 0x6>;
};
};
};
partition@50000 {
compatible = "denx,uimage";
label = "firmware";
reg = <0x50000 0xfb0000>;
};
};
};
};
&gmac0 {
nvmem-cells = <&macaddr_factory_e000>;
nvmem-cell-names = "mac-address";
};
&gmac1 {
nvmem-cells = <&macaddr_factory_e006>;
nvmem-cell-names = "mac-address";
};