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

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>

diff --git a/target/linux/realtek/dts/rtl8380_linksys_lgs310c.dts b/target/linux/realtek/dts/rtl8380_linksys_lgs310c.dts
index ab095dbc65966f7c8199318f4d51d6970a5b8108..1e08105363db408236d1d9b8355a4a25ecfb482c 100644 (file)
--- a/target/linux/realtek/dts/rtl8380_linksys_lgs310c.dts
+++ b/target/linux/realtek/dts/rtl8380_linksys_lgs310c.dts
@@ -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>;