airoha: an7583: add additional comments on EVB board

On the Airoha AN7583 EVB there are 2 Aeonsemi AS21xxx PHY but only the
one connected to Serdes Ethernet is usable as the other connected to
Serdes PON is not actually HW connected (as the serdes is connected to
the BOSA port)

Add comments and disable the relevant PHY.

Signed-off-by: Christian Marangi <[email protected]>

diff --git a/target/linux/airoha/dts/an7583-evb.dts b/target/linux/airoha/dts/an7583-evb.dts
index fdd5b2aa926de35680d2711913681e9b0b834a76..30f1cf0800fada8575d60ef67d11d6df62dad75c 100644 (file)
--- a/target/linux/airoha/dts/an7583-evb.dts
+++ b/target/linux/airoha/dts/an7583-evb.dts
@@ -135,37 +135,41 @@
        pinctrl-names = "default";
        pinctrl-0 = <&mdio0_pins>;
 
-       as21xx_0: ethernet-phy@1d {
-               reg = <0x1d>;
-               compatible = "ethernet-phy-ieee802.3-c45";
-
-               firmware-name = "as21x1x_fw.bin";
-
-               reset-deassert-us = <350000>;
-               reset-assert-us = <200000>;
-               reset-gpios = <&an7583_pinctrl 34 GPIO_ACTIVE_LOW>;
-
-               leds {
-                       #address-cells = <1>;
-                       #size-cells = <0>;
-
-                       led@0 {
-                               reg = <0>;
-                               color = <LED_COLOR_ID_GREEN>;
-                               function = LED_FUNCTION_LAN;
-                               function-enumerator = <0>;
-                               default-state = "keep";
-                       };
-
-                       led@1 {
-                               reg = <1>;
-                               color = <LED_COLOR_ID_GREEN>;
-                               function = LED_FUNCTION_LAN;
-                               function-enumerator = <1>;
-                               default-state = "keep";
-                       };
-               };
-       };
+       /* Present but not HW connected to GDM port */
+       /*
+        * as21xx_0: ethernet-phy@1d {
+        *              reg = <0x1d>;
+        *              compatible = "ethernet-phy-ieee802.3-c45";
+        *              status = "disabled";
+        *
+        *              firmware-name = "as21x1x_fw.bin";
+        *
+        *              reset-deassert-us = <350000>;
+        *              reset-assert-us = <200000>;
+        *              reset-gpios = <&an7583_pinctrl 34 GPIO_ACTIVE_LOW>;
+        *
+        *              leds {
+        *                      #address-cells = <1>;
+        *                      #size-cells = <0>;
+        *
+        *                      led@0 {
+        *                              reg = <0>;
+        *                              color = <LED_COLOR_ID_GREEN>;
+        *                              function = LED_FUNCTION_LAN;
+        *                              function-enumerator = <0>;
+        *                              default-state = "keep";
+        *                      };
+        *
+        *                      led@1 {
+        *                              reg = <1>;
+        *                              color = <LED_COLOR_ID_GREEN>;
+        *                              function = LED_FUNCTION_LAN;
+        *                              function-enumerator = <1>;
+        *                              default-state = "keep";
+        *                      };
+        *              };
+        * };
+        */
 
        as21xx_1: ethernet-phy@1f {
                reg = <0x1f>;
@@ -200,16 +204,19 @@
        };
 };
 
+/* GDM2 seems to be connected to PON */
+/*
+ *&gdm2 {
+ *     status = "disabled";
+ *
+ *     phy-handle = <&as21xx_0>;
+ *     phy-mode = "usxgmii";
+ *};
+ */
+
 &gdm3 {
        status = "okay";
 
        phy-handle = <&as21xx_1>;
        phy-mode = "usxgmii";
 };
-
-&gdm2 {
-       status = "okay";
-
-       phy-handle = <&as21xx_0>;
-       phy-mode = "usxgmii";
-};