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airoha: an7581: add Aeonsemi AS21xxx PHY to RFB eMMC board

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Airoha AN7581 eMMC RFB board mount 2 Aeonsemi AS21xxx PHY. One is
usually connected to GDM4 and the other is optionally connected to GDM2.
Add the relevant nodes to support the one connected to GDM4.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2025-10-24 11:48:13 +02:00
parent 87fa17a91e
commit 26da4bf552
No known key found for this signature in database
GPG Key ID: AC001D09ADBFEAD7
2 changed files with 42 additions and 1 deletions
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41
target/linux/airoha/dts/an7581-evb-emmc.dts
View File

@ -156,6 +156,40 @@
status = "okay";
};
&mdio {
as21xx_1: ethernet-phy@1d {
compatible = "ethernet-phy-ieee802.3-c45";
reg = <0x1d>;
firmware-name = "as21x1x_fw.bin";
reset-deassert-us = <1000000>;
reset-assert-us = <1000000>;
reset-gpios = <&en7581_pinctrl 31 GPIO_ACTIVE_LOW>;
leds {
#address-cells = <1>;
#size-cells = <0>;
led@0 {
reg = <0>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_LAN;
function-enumerator = <0>;
default-state = "keep";
};
led@1 {
reg = <1>;
color = <LED_COLOR_ID_GREEN>;
function = LED_FUNCTION_LAN;
function-enumerator = <1>;
default-state = "keep";
};
};
};
};
&eth {
status = "okay";
};
@ -164,6 +198,13 @@
status = "okay";
};
&gdm4 {
status = "okay";
phy-handle = <&as21xx_1>;
phy-mode = "usxgmii";
};
&switch {
pinctrl-names = "default";
pinctrl-0 = <&mdio_pins>;

2
target/linux/airoha/dts/an7581.dtsi
View File

@ -874,7 +874,7 @@
};
};
mdio {
mdio: mdio {
#address-cells = <1>;
#size-cells = <0>;