realtek: d-link dgs-1210-10p improve sfp support
authorMichel Thill <jmthill@gmail.com>
Sun, 7 Jan 2024 18:39:30 +0000 (19:39 +0100)
committerSander Vanheule <sander@svanheule.net>
Tue, 23 Jan 2024 09:57:06 +0000 (10:57 +0100)
The current dts file of dgs-1210-10p doesn't support link states
for the sfp ports (they are always up).
This patch tries to give better support for this and was run tested
on dgs-1210-10p.

It was heavily inspired from Paul Fertser, RaylynnKnight
and the author of dgs-1210-10mp-f.dts

https://forum.openwrt.org/t/dlink-dgs-1210-10p-with-glc-t-co-sfp/170928

Signed-off-by: Michel Thill <jmthill@gmail.com>
target/linux/realtek/dts-5.15/rtl8382_d-link_dgs-1210-10p.dts

index 16934ede3b88a34688eae2eb328e210fe18d745f..1aef88afd4e165717a1869414b10558cf8a636a1 100644 (file)
@@ -7,6 +7,42 @@
        compatible = "d-link,dgs-1210-10p", "realtek,rtl838x-soc";
        model = "D-Link DGS-1210-10P";
 
+       /* 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)>;
+               scl-gpios = <&gpio1 7 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+               i2c-gpio,delay-us = <2>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+       };
+
+       sfp0: sfp-p9 {
+               compatible = "sff,sfp";
+               i2c-bus = <&i2c0>;
+               los-gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+               mod-def0-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
+               tx-disable-gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+       };
+
+       /* i2c of the right SFP cage: port 10 */
+       i2c1: i2c-gpio-1 {
+               compatible = "i2c-gpio";
+               sda-gpios = <&gpio1 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+               scl-gpios = <&gpio1 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+               i2c-gpio,delay-us = <2>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+       };
+
+       sfp1: sfp-p10 {
+               compatible = "sff,sfp";
+               i2c-bus = <&i2c1>;
+               los-gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+               mod-def0-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;
+               tx-disable-gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+       };
+
        keys {
                compatible = "gpio-keys-polled";
                poll-interval = <20>;
                SWITCH_PORT(13, 6, internal)
                SWITCH_PORT(14, 7, internal)
                SWITCH_PORT(15, 8, internal)
-               SWITCH_SFP_PORT(24, 9, rgmii-id)
-               SWITCH_SFP_PORT(26, 10, rgmii-id)
+
+               port@24 {
+                       reg = <24>;
+                       label = "lan9";
+                       phy-handle = <&phy24>;
+                       phy-mode = "1000base-x";
+                       managed = "in-band-status";
+                       sfp = <&sfp0>;
+               };
+
+               port@26 {
+                       reg = <26>;
+                       label = "lan10";
+                       phy-handle = <&phy26>;
+                       phy-mode = "1000base-x";
+                       managed = "in-band-status";
+                       sfp = <&sfp1>;
+               };
 
                port@28 {
                        ethernet = <&ethernet0>;