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realtek: gs1900-48: add RTL8231 resets

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Add reset-gpios for both RTL8231 expanders and hog the PHY reset
line on expander@3.

Signed-off-by: Klaus Rubenstein <klaus.rubenstein@gmail.com>
Tested-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
This commit is contained in:
Klaus Rubenstein 2026-04-01 09:57:18 +02:00 committed by Sander Vanheule
parent aa1b83d5ca
commit 4f637a09b8
1 changed files with 10 additions and 0 deletions
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10
target/linux/realtek/dts/rtl8393_zyxel_gs1900-48.dtsi
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@ -98,6 +98,7 @@
port_leds: expander@0 {
compatible = "realtek,rtl8231";
reg = <0>;
reset-gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
gpio-controller;
#gpio-cells = <2>;
@ -179,6 +180,7 @@
gpio1: expander@3 {
compatible = "realtek,rtl8231";
reg = <3>;
reset-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
gpio-controller;
#gpio-cells = <2>;
@ -188,6 +190,14 @@
compatible = "realtek,rtl8231-leds";
status = "disabled";
};
/* PHY reset (active low), no driver support, keep deasserted */
phy-reset {
gpio-hog;
gpios = <6 GPIO_ACTIVE_LOW>;
output-low;
line-name = "phy-reset";
};
};
};