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realtek: switch LGS310C devicetree to new i2s-gpio-shared driver

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From now on both SFP ports can be used without manual intervention.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/18737
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Markus Stockhausen 2025-06-13 04:34:34 -04:00 committed by Robert Marko
parent 5b8155d434
commit c131870c34
1 changed files with 12 additions and 22 deletions
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34
target/linux/realtek/dts/rtl8380_linksys_lgs310c.dts
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@ -38,17 +38,23 @@
color = <LED_COLOR_ID_AMBER>;
gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
};
};
/* i2c of the left SFP cage: port 9 */
i2c0: i2c-gpio-0 {
compatible = "i2c-gpio";
sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
i2c-gpio-shared {
compatible = "i2c-gpio-shared";
scl-gpios = <&gpio1 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
i2c-gpio,delay-us = <2>;
#address-cells = <1>;
#size-cells = <0>;
i2c0: i2c@0 {
sda-gpios = <&gpio1 6 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
i2c-gpio,delay-us = <2>;
};
i2c1: i2c@1 {
sda-gpios = <&gpio1 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
i2c-gpio,delay-us = <2>;
};
};
sfp0: sfp-p9 {
@ -59,22 +65,6 @@
tx-disable-gpio = <&gpio1 10 GPIO_ACTIVE_HIGH>;
};
/* i2c of the right SFP cage: port 10 */
i2c1: i2c-gpio-1 {
compatible = "i2c-gpio";
sda-gpios = <&gpio1 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
/*
* ports 9 & 10 use a shared SCL, and are currently not usable in parallel
* So for now disable the SCL on the second port.
*
* scl-gpios = <&gpio1 31 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
*/
i2c-gpio,scl-open-drain;
i2c-gpio,delay-us = <2>;
#address-cells = <1>;
#size-cells = <0>;
};
sfp1: sfp-p10 {
compatible = "sff,sfp";
i2c-bus = <&i2c1>;