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realtek: add aux-mdio and pinctrl nodes to rtl930x.dtsi

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Add aux-mdio and pinctrl nodes to rtl930x.dtsi to enable handling of the
external RTL8231 GPIO expander connected via MDIO.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/17593
Signed-off-by: Sander Vanheule <sander@svanheule.net>
This commit is contained in:
INAGAKI Hiroshi 2025-01-19 19:01:28 +09:00 committed by Sander Vanheule
parent 70198cac36
commit d45890f6cd
1 changed files with 29 additions and 0 deletions
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29
target/linux/realtek/dts/rtl930x.dtsi
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@ -143,6 +143,35 @@
};
switchcore@1b000000 {
compatible = "syscon", "simple-mfd";
reg = <0x1b000000 0x10000>;
mdio_aux: mdio-aux {
compatible = "realtek,rtl9300-aux-mdio";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-0 = <&pinmux_gpio_mdio_en>;
pinctrl-names = "default";
status = "disabled";
};
};
pinmux@1b00c600 {
compatible = "pinctrl-single";
reg = <0x1b00c600 0x4>;
pinctrl-single,bit-per-mux;
pinctrl-single,register-width = <32>;
pinctrl-single,function-mask = <0x1>;
#pinctrl-cells = <2>;
pinmux_gpio_mdio_en: gpio-mdio-en {
pinctrl-single,bits = <0x0 0x100 0x100>;
};
};
pinmux_led: pinmux@1b00cc00 {
compatible = "pinctrl-single";
reg = <0x1b00cc00 0x4>;