immortalwrt/target/linux/mediatek/dts/mt7981b-konka-komi-a31-nor.dtso
Tianling Shen b8b8ccdf89
mediatek: make use of whole spi nor for konka komi-a31
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
2024-10-06 16:37:41 +08:00

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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/dts-v1/;
/plugin/;
/ {
compatible = "konka,komi-a31", "mediatek,mt7981";
fragment@0 {
target = <&chosen>;
__overlay__ {
rootdisk = <&nor_rootdisk>;
};
};
fragment@1 {
target = <&band0>;
__overlay__ {
nvmem-cells = <&macaddr_factory_2a 1>;
};
};
fragment@2 {
target = <&band1>;
__overlay__ {
nvmem-cells = <&macaddr_factory_2a 2>;
};
};
fragment@3 {
target = <&gmac0>;
__overlay__ {
nvmem-cells = <&macaddr_factory_2a 0>;
};
};
fragment@4 {
target = <&gmac1>;
__overlay__ {
nvmem-cells = <&macaddr_factory_24 0>;
};
};
fragment@5 {
target = <&pio>;
__overlay__ {
spi2_flash_pins: spi2-pins {
mux {
function = "spi";
groups = "spi2", "spi2_wp_hold";
};
conf-pu {
pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
drive-strength = <8>;
bias-pull-up = <103>;
};
conf-pd {
pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
drive-strength = <8>;
bias-pull-down = <103>;
};
};
};
};
fragment@6 {
target = <&spi0>;
__overlay__ {
status = "disabled";
};
};
fragment@7 {
target = <&spi2>;
__overlay__ {
pinctrl-names = "default";
pinctrl-0 = <&spi2_flash_pins>;
status = "okay";
flash@0 {
compatible = "jedec,spi-nor";
#address-cells = <1>;
#size-cells = <1>;
reg = <0>;
spi-max-frequency = <50000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "bl2";
reg = <0x0 0x40000>;
read-only;
};
partition@40000 {
label = "u-boot-env";
reg = <0x40000 0x40000>;
};
partition@80000 {
label = "factory";
reg = <0x80000 0x20000>;
read-only;
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
eeprom_factory_0: eeprom@0 {
reg = <0x0 0x1000>;
};
macaddr_factory_24: macaddr@24 {
compatible = "mac-base";
reg = <0x24 0x6>;
#nvmem-cell-cells = <1>;
};
macaddr_factory_2a: macaddr@2a {
compatible = "mac-base";
reg = <0x2a 0x6>;
#nvmem-cell-cells = <1>;
};
};
};
partition@100000 {
label = "fip";
reg = <0x100000 0x80000>;
read-only;
};
nor_rootdisk: partition@180000 {
compatible = "denx,fit";
label = "fit";
reg = <0x180000 0xe80000>;
};
};
};
};
};
fragment@8 {
target = <&wifi>;
__overlay__ {
nvmem-cells = <&eeprom_factory_0>;
};
};
};